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    <eadid mainagencycode="US-txauhrh" countrycode="US" encodinganalog="852$a"
      >urn:taro:utexas.hrc.00568</eadid>
    <!--DO NOT MODIFY ANY OF THE BOILERPLATE TEXT ABOVE THIS LINE-->
    <!-- revised 8 July 2008 -->
    <filedesc>
      <titlestmt>
        <titleproper>The Herschel Family:</titleproper>
        <subtitle>An Inventory of Their Papers at the Harry Ransom Center</subtitle>
        <author encodinganalog="245$c">Finding aid created by Micah Erwin and Joan Sibley</author>
      </titlestmt>
      <publicationstmt>
        <publisher encodinganalog="260$b">Harry Ransom Center, </publisher>
        <date encodinganalog="260$c" calendar="gregorian" era="ce">2011</date>
      </publicationstmt>
    </filedesc>
    <profiledesc>
      <creation>Finding aid encoded by Micah Erwin and Joan Sibley, <date calendar="gregorian"
          era="ce">20 December 2011</date></creation>
      <langusage>Finding aid written in <language langcode="eng" scriptcode="Latn">English.</language></langusage>
    </profiledesc>
  </eadheader>
  <archdesc level="collection" type="inventory" audience="external">
    <did>
      <head>Collection Summary</head>
      <repository label="Repository:" encodinganalog="852$a">
        <extref xmlns:xlink="http://www.w3.org/1999/xlink" xlink:type="simple" xlink:show="new" xlink:actuate="onRequest" xlink:href="http://www.hrc.utexas.edu/">
          <corpname><subarea>Harry Ransom Center, </subarea>The University of Texas at Austin </corpname>
        </extref>
      </repository>
      <origination label="Creator:">
        <famname source="lcnaf" encodinganalog="100">Herschel Family</famname>
      </origination>
      <unittitle encodinganalog="245$a" label="Title:">Herschel Family Papers</unittitle>
      <unitdate type="inclusive" encodinganalog="245$f" era="ce" calendar="gregorian" label="Dates:"
        normal="1721/1951">1721-1951 (bulk 1810-1871)</unitdate>
      <physdesc label="Extent:" encodinganalog="300$a">
        <extent>44 document boxes, 2 oversize boxes, 1 custom box (20.48 linear feet), 17 oversize
          folders (osf), and 2 oversize framed items</extent>
      </physdesc>
      <abstract label="Abstract:" encodinganalog="520$a">The Herschel Family Papers largely
        represent the life and work of Sir John F. W. Herschel (1792-1871), the English
        mathematician, astronomer, chemist, and experimental photographer/inventor. Also present are
        manuscripts and correspondence by and about John's father Sir William Herschel (1738-1822),
        discoverer of the planet Uranus and stellar astronomy pioneer; John's aunt, the noted
        astronomer Caroline Lucretia Herschel (1750-1848); and many other Herschel family members,
        scientific colleagues, and friends.</abstract>
      <langmaterial label="Language: " encodinganalog="546$a"><language langcode="eng" scriptcode="Latn">English</language>, <language
          langcode="fre">French</language>, <language langcode="ger">German</language>, <language
          langcode="ita">Italian</language>, and <language langcode="lat"
        >Latin</language></langmaterial>
      <note>
        <p>The Ransom Center gratefully acknowledges the assistance of the Center for History of
          Physics, American Institute of Physics, which provided funds to support the processing and
          cataloging of this collection.</p>
      </note>
      <unitid label="Call Number: " countrycode="US" repositorycode="US-txauhrh" encodinganalog="099">Manuscript Collection MS-1931</unitid>
    </did>
    <acqinfo encodinganalog="541">
      <head>Acquisition: </head>
      <p>Purchases, 1960-1980 (R56, R56a, R56b, R529, R612, R2319, R4548, R4591, R4957, R5077,
        R8449, R8712, and R11999)</p>
    </acqinfo>
    <accessrestrict encodinganalog="506">
      <head>Access: </head>
      <p>Open for research</p>
    </accessrestrict>
    <processinfo encodinganalog="583">
      <head>Processed by: </head>
      <p>Micah Erwin and Joan Sibley, 2011</p>
    </processinfo>
    <bioghist encodinganalog="545">
      <head>Biographical Sketches</head>
      <p>
        <emph render="bold">Sir William Herschel, 1738-1822</emph>
      </p>
      <p>The fourth of ten children, Sir William Herschel was born in Hanover, Germany, on 15
        November 1738 to Isaac Herschel (1707–1767) and his wife Anna Ilse Moritzen. He was baptized
        as Friedrich Wilhelm. Herschel's father was an oboist in the Hanoverian Foot Guards and
        although not wealthy, he encouraged his sons to pursue science and philosophy. William
        Herschel attended the garrison school, where he proved to be a good student.</p>
      <p>At the age of fourteen William followed his father's career and joined the band of the
        guards, where his salary helped to pay for lessons in French. In 1756 his unit was stationed
        in England, where he also took the opportunity to learn English. In 1757 the guards were
        recalled because of the invasion of Hanover during the Seven Years' War, and at his father's
        advice he fled the scene to avoid being pressed into service as a soldier. After returning
        to his regiment to find they no longer had any use for a boy bandsman, he returned to
        England and his father secured his formal discharge in 1762.</p>
      <p>Herschel arrived in England almost penniless but soon found success as a member of the band
        of the Durham militia. He began to perform and teach across northern England and by 1760 he
        had completed six symphonies–several of which were eventually published. In 1766 Herschel
        moved to Bath, where his career continued to blossom. His success allowed him to pursue
        other interests and before long he had learned Italian, Latin, and Greek. Having read
        Smith's <title xmlns:xlink="http://www.w3.org/1999/xlink" xlink:type="simple"
          render="italic" xlink:href="">Opticks</title> he learned how to construct telescopes and
        began observing the planets and the moon.</p>
      <p>In 1772 he visited his sister, Caroline Lucretia Herschel, who was unhappily living with
        her family in Hanover. Concerned for her welfare, he decided to bring her back with him to
        Bath despite his family's opposition. This move proved to be a happy decision for both,
        beginning a long and fruitful partnership in both their musical and astronomical work.</p>
      <p>Herschel's interests in astronomy quickly began to compete with his musical career. He soon
        realized that he would need much larger telescopes to meet his observational needs.
        Beginning in 1773 he spent much of his time grinding and polishing telescopic mirrors in his
        basement. His reputation as a master craftsman in the construction of reflector telescopes
        became widely recognized. Having begun observations of the Orion nebula in the 1770s,
        William decided to familiarize himself with the brightest stars in the night sky. On the
        night of 13 March 1781, he came across a star in the constellation Gemini whose appearance
        seemed unusual. After several more nights of observing the object he decided to report his
        findings to the Astronomer Royal. The object was confirmed to be special–Herschel became the
        first person ever to discover an unseen planet of the solar system with a telescope. As a
        reward for his discovery of the planet now called Uranus, the king granted him a pension
        that allowed him to leave his musical duties to pursue astronomy full time.</p>
      <p>In his efforts to explore what he referred to as 'the construction of the heavens,' William
        continued to build ever-larger telescopes. In 1783 he built a 20-foot reflector and in 1789
        he completed a 40-foot reflecting telescope that for the next fifty years would remain the
        largest ever constructed. Herschel's astronomical achievements were widely recognized: in
        addition to receiving a pension, he received doctorates from the universities of Edinburgh
        (1786) and Glasgow (1792), was a member of the American Philosophical Society among many
        others, and in 1816 was appointed a knight of the Royal Guelphic Order. Although Herschel
        was most famous for his discovery of Uranus, later generations of scientists would recognize
        the significance of his findings on nebulas, variable stars, infra-red rays from the sun,
        and the direction in which the solar system is travelling.</p>
      <p>Herschel's life seems to have been devoid of any romantic attachments until 1786. In that
        year his friend and neighbor John Pitt died, and two years later Herschel married his widow,
        Mary (1750-1832). Their only child, Sir John Frederick William Herschel, was born in 1792.
        Mary's pleasant nature combined with the money she brought to the marriage helped to ease
        some of the pressures in Herschel's life.</p>
      <p>Long nights of observing in cold and damp conditions took a toll on Herschel's health, and
        in 1816, with his ailments worsening, his son John Herschel returned home to care for him
        and to learn from him so that he could continue his father's astronomical work. Six years
        later, on 25 August 1822, William Herschel died at the Observatory House, his Slough
        home.</p>
      <p>
        <emph render="bold">Caroline Lucretia Herschel, 1750-1848</emph>
      </p>
      <p>Caroline Lucretia Herschel was born on 16 March 1750 in Hanover, Germany, the eighth child
        of Isaac Herschel (1707-1767) and his wife, Anna Ilse Moritzen. Unlike her brother, William
        Herschel, Caroline was not encouraged to pursue her intellectual curiosities, but instead
        received a minimum of education and was pressed into service as the household servant by her
        illiterate mother.</p>
      <p>In 1767 her father Isaac died, leaving her future in the hands of her mother and her
        brothers. She was begrudgingly given permission to attend a dressmaking school, but this
        lasted only a few weeks before she returned to her household duties. Her brother William,
        who had now settled into his career as an accomplished organist at Bath and sympathized with
        Caroline's plight, requested that she be allowed to join him as a singer in his concerts.
        His proposal was at first favorably received by the family, but when they became reluctant,
        he succeeded in bringing Caroline to Hanover in 1772 only after promising to pay their
        mother an annuity for a substitute servant.</p>
      <p>Although Caroline had some difficulty adjusting to life at Bath because of her limited
        education and knowledge of English, William gave her singing lessons daily and taught her
        English and arithmetic. She was also given dancing lessons and began singing and leading
        soprano parts in works such as <title xmlns:xlink="http://www.w3.org/1999/xlink"
          xlink:type="simple" render="italic" xlink:href="">Messiah</title>, <title
          xmlns:xlink="http://www.w3.org/1999/xlink" xlink:type="simple" render="italic"
          xlink:href="">Samson</title>, and <title xmlns:xlink="http://www.w3.org/1999/xlink"
          xlink:type="simple" render="italic" xlink:href="">Judas Maccabaeus</title> at Bath and
        Bristol as often as five nights a week. </p>
      <p>William's interest in astronomy began to compete with his musical career and Caroline
        gradually found herself assisting him as he started constructing his own telescopes. In
        addition to her musical duties, she waited on Herschel hand-and-foot during the long hours
        he spent polishing and grinding mirrors, eventually learning to grind and polish mirrors
        herself. In 1781 their lives were transformed when William discovered the planet Uranus.
        With a royal pension that allowed him to give up his musical career to pursue astronomy full
        time, William took it for granted that Caroline would also give up her career in music and
        partner with him. </p>
      <p>William and Caroline moved to Datchet, near Windsor Castle, in August 1782. As his
        assistant astronomer, she was given a telescope to sweep for comets. It was not an easy
        adjustment for Caroline and she complained of the cold, damp, and lonely nights spent
        observing. But the following summer William built her a telescope especially designed for
        finding comets, and using the powerful new instrument she was able to sweep a quarter of the
        heavens each night. Caroline soon became famous as the discoverer of eight comets along with
        several comet-like nebulae. In 1783 she also discovered the companion to the Andromeda
        nebula. Caroline's discoveries and the resulting recognition helped to reconcile her to her
        new career. In 1787 she received a royal pension of £50 a year, making her the first woman
        in Britain to receive a pension for scientific work.</p>
      <p>Caroline continued to assist William in his observations. In 1783, interested in the study
        of nebulae, her brother constructed a 20-foot reflector with a stable mounting expressly for
        this purpose. William would wait at the eyepiece and watch the sky drift past until a nebula
        came into view. He would then shout out his observations to Caroline who would record them,
        seated at a desk by a nearby open window. In addition to her work as a scribe, she would
        perform calculations, create charts, and write up fair copies for publication. </p>
      <p>Caroline's well-established routine of managing domestic affairs was disrupted in 1788 when
        William decided to marry the widow of a neighbor. Caroline, long accustomed to being both
        his household companion and career-partner, had to move into new lodgings. Although this was
        a difficult time for Caroline (she destroyed her diary for the period), she eventually
        adjusted to the change and became especially attached to her nephew John, who was born in
        1792. </p>
      <p>In 1796, at the request of William, Caroline assembled a list of errors in John Flamsteed's
        star catalogue, the standard work of the day, and published the list in 1798 after working
        on it for twenty months. This work earned her the profound respect of the professional
        astronomers of her day. </p>
      <p>When William died in 1822, Caroline returned to Hanover and although her days of observing
        were over, she managed to make one more contribution to astronomy. John Herschel enlisted
        her help to undertake the massive task of rearranging William's great catalogues of nebulae.
        Eager to see her brother's work completed, she was able to finish the enormous undertaking
        at the age of seventy-five. The Astronomical Society awarded her a gold medal for her
        work.</p>
      <p>Caroline enjoyed good health, showing signs of energy and vitality late into life. A
        respected astronomer in her own right, she died peacefully at the age of ninety-seven in
        Hanover on 9 January 1848.</p>
      <p>
        <emph render="bold">Sir John Frederick William Herschel, 1792-1871</emph>
      </p>
      <p>Sir John Frederick William Herschel was born on 7 March 1792 in Slough, England, the only
        son of astronomer William Herschel (1738-1822) and the widow Mary Baldwin Pitt (1750-1832).
        John's father had already set aside a musical career by the time his son was born, having
        become internationally prominent as the discoverer of Uranus in 1781. John attended Mr.
        Bull's school at Newbury, and for a short period of time, Eton College, before enrolling at
        Dr. Gretton's private school at Hitcham, Buckinghamshire. He also received private
        instruction, especially in mathematics, from Alexander Rogers.</p>
      <p>John Herschel entered St John's College, Cambridge in 1809, where he received a fellowship.
        By the time he graduated in 1813 as the Senior Wrangler, he was widely recognized as an
        exceptionally talented scholar. In the year of his graduation, John was elected a member of
        the Royal Society, primarily for his accomplishments in mathematics.</p>
      <p>Herschel's gift for mathematics was manifest not only in his success in Cambridge
        mathematical competitions, but also as one of the instigators of the Analytical Society
        along with his long-time friends Charles Babbage and George Peacock. The Society was to have
        a significant impact on British mathematics, with its promotion of Leibnizian techniques
        over Newtonian fluxional methods of mathematical analysis.</p>
      <p>Discouraged by the difficulties of finding employment as a mathematician, John began
        preparing for the bar in 1814 but returned to Cambridge as a sub-lector in 1815. Teaching
        proved to be a dissatisfying experience and within a year he resigned in order to take up
        his father's unfinished astronomical observations. He continued to make contributions to
        mathematics and chemistry during this time; in 1819 he began publishing on his significant
        discoveries in the prehistory of photography.</p>
      <p>John Herschel played a key role in the founding of the Astronomical Society (later known as
        the Royal Astronomical Society). From its founding in 1820 until 1827, he served as its
        foreign secretary. The society's members went on to elect him three times as president
        (1827, 1839, and 1847), reflecting his continued importance within the organization.</p>
      <p>John's decision to pursue astronomy under the direction of his father proved fruitful. In
        1820, they collaborated on the construction of a 20-foot telescope which he used as his main
        telescope between 1820 and 1838. John also took up his father's research interests in
        stellar astronomy, publishing two great catalogues–one on nebulae and star clusters and one
        on double stars. In 1833 he also published his <title
          xmlns:xlink="http://www.w3.org/1999/xlink" xlink:type="simple" render="italic"
          xlink:href="">Treatise on Astronomy</title>, which became the authoritative English work
        on astronomical science for nearly two decades.</p>
      <p>Not only did John continue William Herschel's pioneering work, he also made significant
        contributions in meteorology and barometry, actinometry, and physics during this period as
        well. Beginning in the 1820s, he emerged as Britain's first modern physical scientist. His
        articles on light and sound were received enthusiastically by continental scientists and
        published in French and German. One of his most lasting contributions during this period was
        his publication in 1830 of the <title xmlns:xlink="http://www.w3.org/1999/xlink"
          xlink:type="simple" render="italic" xlink:href="">Preliminary Discourse on the Study of
          Natural Philosophy</title>. Now recognized as a classic of the philosophy of science, it
        promoted the importance of scientific inquiry. A number of major scientists and philosophers
        were strongly influenced and inspired by it, including the young Charles Darwin.</p>
      <p>Despite all of Herschel's success, his friend James Grahame noticed the lack of a healthy
        balance in John's intensely academic life. In an attempt to remedy the situation, Grahame
        introduced John to Margaret Brodie Stewart, the daughter of Scottish Presbyterian minister
        Alexander Stewart and his wife. The two immediately took a liking to one other and not long
        after were married on March 3, 1829. The marriage proved to be a happy one, and over the
        course of the next twenty-six years, the couple produced twelve children.</p>
      <p>On 13 November 1833 John Herschel, his wife, and their three small children left England
        for the Cape of Good Hope on the southern tip of South Africa so that John could carry out a
        complete survey of all the celestial objects in the Southern Hemisphere. The period from
        1833 until their return to England in 1838 proved to be one of the most productive and happy
        times in John's life. Herschel set up his telescope at their home, Feldhausen, an old estate
        on Table Mountain, and began his observations. When the Herschel family returned to London
        on 15 May 1838, John was immediately hailed by his scientific contemporaries as the foremost
        scientist of his day and awarded a baronetcy by the Queen. The enormous mass of observations
        that he returned with took nearly a decade to reduce and analyze. The great work of
        Herschel's career appeared in 1847: <title xmlns:xlink="http://www.w3.org/1999/xlink"
          xlink:type="simple" render="italic" xlink:href="">Results of Astronomical Observations
          Made during the Years 1834, 5, 6, 7, 8 at the Cape of Good Hope; Being the Completion of a
          Telescopic Survey of the Whole Surface of the Visible Heavens, Commenced in 1825 by Sir J.
          F. W. Herschel</title>. The publication was received with the highest praise and the Royal
        Society awarded him a second Copley Medal.</p>
      <p>From the years 1838 to 1850, Herschel enjoyed his status as Britain's most preeminent
        scientist, while continuing to make contributions to many fields. He was especially involved
        in photochemistry; seeking new ways to improve photographic science he conducted hundreds of
        experiments and proved that his sodium thiosulphate was the most powerful fixer for
        silver-based photographic images. His efforts yielded three major papers (1839, 1840, and
        1842) published by the Royal Society. He also made important contributions through his
        extensive experimentation on the light sensitivity of various metals and vegetable dyes and
        coined many standard terms in photography, namely, 'positive,' 'negative,' 'snap-shot,' and
        'photographer.' Herschel published another major work in 1849, his <title
          xmlns:xlink="http://www.w3.org/1999/xlink" xlink:type="simple" render="italic"
          xlink:href="">Outlines of Astronomy</title>, which was hailed as the definitive
        presentation of astronomy available in English.</p>
      <p>For reasons that are not entirely clear, late in 1850 Herschel accepted the mastership of
        the Royal Mint, a position once held by Isaac Newton. Likely, a combination of pressing
        financial burdens and the desire to see financial reform in the Mint led him to accept the
        position. Regardless, Herschel's short tenure as Master of the Mint was not good for his
        health. The stresses of his involvement in the planned reform compounded by the need to
        expand production of coinage, to explore its decimalization, and to establish an Australian
        branch of the Mint at Sydney turned out to be too heavy a burden. John also deeply disliked
        being separated from his family in Collingwood. Late in 1854, with Herschel already in frail
        health, the tensions and stresses of the position led to a nervous breakdown. He submitted
        his resignation in early 1855. In April of that year he returned to his family in
        Collingwood, hoping to restore his health.</p>
      <p>John continued to suffer from poor health, but managed to publish several more books and
        articles, receive visitors regularly, and correspond with his colleagues. Herschel died at
        Collingwood on 11 May 1871, likely as a result of chronic bronchial problems. His funeral in
        London was attended by most of the leading British scientists of his day. Herschel was
        buried in Westminster Abbey next to Sir Isaac Newton.</p>
    </bioghist>
    <bibliography>
      <head>Sources:</head>
      <p>Buttmann, Günther. <title xmlns:xlink="http://www.w3.org/1999/xlink" xlink:type="simple"
          render="italic" xlink:href="">The Shadow of the Telescope: A Biography of John
          Herschel</title>. New York: Scribner, 1970.</p>
      <p>Crowe, Michael J. <title xmlns:xlink="http://www.w3.org/1999/xlink" xlink:type="simple"
          render="doublequote" xlink:href="">Herschel, Sir John Frederick William, first baronet
          (1792–1871).</title> <title xmlns:xlink="http://www.w3.org/1999/xlink" xlink:type="simple"
          render="italic" xlink:href="">Oxford Dictionary of National Biography</title>. Oxford:
        Oxford University Press, 2004.</p>
      <p>Evans, David S., ed. <title xmlns:xlink="http://www.w3.org/1999/xlink" xlink:type="simple"
          render="italic" xlink:href="">Herschel at the Cape; Diaries and Correspondence of Sir John
          Herschel, 1834-1838</title>. Austin: University of Texas Press, 1969.</p>
      <p>Hoskin, Michael A.:</p>
      <p><title xmlns:xlink="http://www.w3.org/1999/xlink" xlink:type="simple" render="italic"
          xlink:href="">The Herschel Partnership: As Viewed by Caroline</title>. Cambridge: Science
        History Publications, 2003.</p>
      <p><title xmlns:xlink="http://www.w3.org/1999/xlink" xlink:type="simple" render="doublequote"
          xlink:href="">Herschel, Caroline Lucretia (1750–1848).</title> <title
          xmlns:xlink="http://www.w3.org/1999/xlink" xlink:type="simple" render="italic"
          xlink:href="">Oxford Dictionary of National Biography</title>. Oxford: Oxford University
        Press, 2004.</p>
      <p><title xmlns:xlink="http://www.w3.org/1999/xlink" xlink:type="simple" render="doublequote"
          xlink:href="">Herschel, William (1738–1822).</title> <title
          xmlns:xlink="http://www.w3.org/1999/xlink" xlink:type="simple" render="italic"
          xlink:href="">Oxford Dictionary of National Biography</title>. Oxford: Oxford University
        Press, 2004.</p>
    </bibliography>
    
    <scopecontent encodinganalog="520">
      <head>Scope and Contents</head>
      <p>The Herschel Family Papers largely represent the life and work of Sir John F. W. Herschel
        (1792-1871), the English mathematician, astronomer, chemist, and experimental
        photographer/inventor. Also present are manuscripts and correspondence by and about John's
        father Sir William Herschel (1738-1822), discoverer of the planet Uranus and stellar
        astronomy pioneer; John's aunt, the noted astronomer Caroline Lucretia Herschel (1750-1848);
        and many other Herschel family members, scientific colleagues, and friends. The papers are
        arranged in five series: I. Sir John Frederick William Herschel, 1809-1871; II. Sir William
        Herschel, 1753-1822; III. Caroline Lucretia Herschel, 1783-1849; IV. Other Herschel Family
        Members, 1721-1951; and V. Third-Party Works and Correspondence, 1808-1868. Manuscripts and
        correspondence are primarily written in English, although some items are written in other
        languages, including French, German, Italian, and Latin.</p>
      <p>Papers for Sir John F. W. Herschel span 1809-1871 and comprise correspondence, essays,
        drawings, notes, calculations, reports, observations, notebooks, charts, documents,
        memoranda books, diaries, and travel journals. Manuscript works include his writings on
        actinometry, astronomy, botany, chemistry, geology, mathematics, meteorology and barometry,
        music, photography, physical optics, physics, and other subjects. Early works include drafts
        of his publication <title xmlns:xlink="http://www.w3.org/1999/xlink" xlink:type="simple"
          render="doublequote" xlink:href="">Memoir on a Remarkable Application of Cote's
          Theorems</title> and mathematical notebooks from his student years. His diaries span
        1820-1871 and his travel journals contain observations from tours in Italy, France, Germany,
        and England, 1809-1850. Herschel's observations at the Cape of Good Hope (1834-1838) are
        documented by reports, notes, star charts, financial accounts, and diaries. Reports, essays,
        and documents represent organizations with which Sir John was associated, such as the
        Analytic Society, the Royal Mint, the English Committee for the Terrestrial Magnetism
        Survey, the Greenwich Observatory, the British Association for the Advancement of Science,
        and the Standards Commission. Correspondence is extensive and includes letters from Sir John
        to nearly 300 correspondents and almost 1200 incoming letters. Among the correspondents
        represented are George Biddle Airy, Charles Babbage, Francis Baily, Francis Beaufort, David
        Brewster, William Rutter Dawes, Charles Darwin, Michael Faraday, James David Forbes, William
        Rowan Hamilton, John Russell Hind, Humphrey Lloyd, John William Lubbock, Charles Lyell,
        Thomas Maclear, Roderick Impey Murchison, George Peacock, Benedetto Pistrucci, Edward
        Sabine, Richard Sheepshanks, William Henry Smyth, George Gabriel Stokes, William Henry Fox
        Talbot, Charles Edward Trevelyan, William Whewell, and Thomas Young.</p>
      <p>Materials representing Sir William Herschel date from 1753 to 1822 and include
        correspondence, essays, notes, and tables. Within his correspondence are letters from his
        father and other relatives in Germany. <title xmlns:xlink="http://www.w3.org/1999/xlink"
          xlink:type="simple" render="doublequote" xlink:href="">Concerning the Central Powers of
          the Particles of Matter,</title> <title xmlns:xlink="http://www.w3.org/1999/xlink"
          xlink:type="simple" render="doublequote" xlink:href="">My Idea of Matter,</title> <title
          xmlns:xlink="http://www.w3.org/1999/xlink" xlink:type="simple" render="doublequote"
          xlink:href="">Remarks on Dr. Priestley's Disquisition on Matter and Spirit,</title> <title
          xmlns:xlink="http://www.w3.org/1999/xlink" xlink:type="simple" render="doublequote"
          xlink:href="">Interference of Light,</title> notes on astronomy, notes on optics, and
        various mathematical tables are represented in the collection. A list of the telescopes Sir
        William constructed and documents relating to his early musical career are also present.</p>
      <p>Holdings for Caroline Lucretia Herschel span 1783-1849 and consist of correspondence,
        biographical memoranda, documents, tables, and diaries. In her correspondence are letters
        from Carl Friedrich Gauss, John Haygarth, Alexander von Humboldt, and Joseph Lalande. Her
        manuscripts include diaries for 1833-1845, biographical memoranda, drafts of her
        autobiography, her astronomical tables, and a commonplace book of astronomical memoranda
        that records her education as an astronomer.</p>
      <p>Materials for Other Herschel Family Members date from 1721 to 1951 and include the
        correspondence, notes, documents, drawings, biographical memoranda, extracts, notebooks and
        housekeeping books of Sir John's family, including his mother, wife, and several of his
        children. Notable items include Isabella Herschel's biographical memoranda and extracts from
        diaries and letters of her father; extensive correspondence between Lady Margaret Herschel
        and other Herschel family members and friends; and the housekeeping book of John's mother,
        Mary Pitt Herschel.</p>
      <p>The holdings for Third-Party Works and Correspondence span 1808-1868 and comprise notes,
        extracts, observations, documents, diaries, reports and correspondence of colleagues
        including George Biddell Airy, Giuseppe Bianchi, William Thomas Brande, Ernst Wilhelm von
        Brücke, Richard Christopher Carrington, James Russell Hind, Joseph Johann Littrow, Francis
        Lunn, Thomas Maclear, Gilbert Elliot Minto, George Peacock, Edward Sabine, and William
        Samuel Stratford. The bulk of the items relate to astronomical topics, but other subjects
        include actinometry, meteorology, terrestrial magnetism, and the Standards Commission. Other
        notable items include selections written in King George III's hand for a concert of chamber
        music and documents relating to the Royal Observatory, Greenwich.</p>
      <p>
        <emph render="bold">Notes on Arrangement and Description:</emph>
      </p>
      <p><emph render="bold">Arrangement:</emph> During the 1960s, a sizeable portion of the
        Herschel Family Papers at the Ransom Center was cataloged in a manual card file. The
        arrangement of the papers appears to have been derived in part from the 1958 Sotheby &amp;
        Co. <title xmlns:xlink="http://www.w3.org/1999/xlink" xlink:type="simple" render="italic"
          xlink:href="">Catalogue of Valuable Printed Books Autograph Letters Historical Documents,
          etc.</title>, in which a portion of the Herschel Papers were originally offered for
        sale.</p>
      <p><emph render="bold">Identification numbers:</emph> The papers were organized into four
        categories and individual items were assigned an alpha-numeric identification number. The
        four categories included:</p>
      <p>W0001-W1039: For Sir John Herschel's works;</p>
      <p>L0001-L0769: For Sir John Herschel's outgoing letters;</p>
      <p>M0001-M1227: For Sir John Herschel's incoming correspondence, works and letters of Sir
        William Hershel and Caroline Herschel, other Herschel family members, and other
        third-parties;</p>
      <p>MW0001-MW0151: For miscellaneous items and later acquisitions.</p>
      <p>These alpha-numeric identifications were used as designations when the collection was
        microfilmed. They were also used to reference the Ransom Center's holdings of Sir John
        Herschel's correspondence that are described in <title
          xmlns:xlink="http://www.w3.org/1999/xlink" xlink:type="simple" render="italic"
          xlink:href="">A Calendar of the Correspondence of Sir John Herschel</title> (edited by
        Michael J. Crowe, et. al., 1998). This work is now available online at <extref
          xmlns:xlink="http://www.w3.org/1999/xlink" xlink:type="simple" xlink:show="new"
          xlink:actuate="onRequest" xlink:href="http://historydb.adlerplanetarium.org/herschel/"
          >http://historydb.adlerplanetarium.org/herschel/</extref>.</p>
      <p>Because researchers may wish to identify or locate items using these identification
        numbers, they have been included with descriptions in the finding aid. Additionally, a
        separate Identification Number Index listing all of the former identification numbers in
        alpha-numeric sequence plus their current location is available at the end of the finding
        aid. Items received in later acquisitions were not assigned identification numbers.</p>
      <p><emph render="bold">Index of Correspondents:</emph> All of the correspondence in the
        Herschel Family Papers is listed in an Index of Correspondents at the end of this finding
        aid. It includes correspondence located through all five series for Sir John Herschel, Sir
        William Herschel, Caroline Herschel, other Herschel family members, and some correspondence
        between third-parties.</p>
      <p><emph render="bold">Description of manuscripts:</emph> All materials described in the
        finding aid can be assumed to be handwritten works, letters, and documents unless otherwise
        stated, i.e. typed or printed items.</p>
      <p><emph render="bold">Copies:</emph> A number of items in the collection are handwritten
        copies, drafts, or excerpts of other people's work. In many cases these are from published
        works. Such items are usually filed under the name of the individual in whose hand it was
        written (in most cases, Sir John Herschel) and not under the original author.</p>
      <p><emph render="bold">Recycled items:</emph> Because Sir John Herschel had a tendency to
        reuse paper, many of his notes or calculations were written on the backs of incoming
        correspondence. In other cases he wrote draft letters on the backs of old documents. Such
        works and letters are described in this finding aid as being "on verso" of a particular
        item. The majority of Herschel's recycled incoming letters or drafts of letters written on
        other items do not appear in the above-referenced correspondence calendar or database.</p>
      <p><emph render="bold">Original folders:</emph> The collection also includes three boxes that
        contain the original envelopes, binders, and paper or pasteboard folders in which many of
        the materials were housed at one time. Folders or envelopes that could be matched to the
        items they originally held have been placed with those items. The remainder is housed in
        boxes 42-44 at the end of the collection. Box 43 holds original containers bearing Sir John
        Herschel's handwriting and box 44 holds pasteboard covers originally used to protect some of
        John's work. Many of the items in box 44 can be matched generally with materials in the
        collection, but are too large to fit into a standard document box. Box 42 holds containers
        bearing unidentified handwriting, probably labeled by various Herschel family members or
        Sotheby &amp; Co.</p>
    </scopecontent>
    
    <relatedmaterial encodinganalog="544 1">
      <p>For additional Herschel correspondence at the Ransom Center, see manuscript holdings for
        John Benjamin Dancer, Charles Darwin, Helmut and Alison Gernsheim, and <title
          xmlns:xlink="http://www.w3.org/1999/xlink" xlink:type="simple" render="italic"
          xlink:href="">Times</title> (London, England).</p>
      <p>Other large holdings of Herschel Family Papers are located at The Royal Society, London;
        Royal Observatory Archive, Greenwich; and The Royal Astronomical Society, London.</p>
      <p>Links to publicly available sources of documents produced by or relating to the Herschel family are
        available on the William Herschel Society website at
        <extref xmlns:xlink="http://www.w3.org/1999/xlink" xlink:type="simple" xlink:show="new"
          xlink:actuate="onRequest" xlink:href="http://herschelsociety.org.uk/herschel-resources/">http://herschelsociety.org.uk/herschel-resources/</extref>.</p>
    </relatedmaterial>
    
    <separatedmaterial encodinganalog="544">
      <p>The research potential of the Herschel Family Papers is further enriched by closely-related
        holdings at the Ransom Center: the Library holds fifty books and scientific offprints owned
        by the Herschels; the Photography Collection has forty-six photographs by Sir John,
        including a series of early color photograms called "flower paintings" made with flower
        pigments; Herschel clippings, printed documents, and pamphlets are located in the Vertical
        File Collection; Sir John's leather wallet, a lock of Sir William's hair, and a wooden chest
        and a metal file box both stenciled with "Herschel Papers" are included in the Personal
        Effects Collection.</p>
    </separatedmaterial>
    
    <scopecontent encodinganalog="520$b">
      <head>Series Descriptions</head>
      
      <p><emph render="bold">Series I. Sir John Frederick William Herschel, 1809-1871</emph></p>
      
          <p>This series includes materials representing Sir John F. W. Herschel's scientific
            activities and tenure at the Royal Mint, his personal records, and his correspondence.
            The series is arranged in three subseries: A. Works, 1811-1871; B. Personal Records,
            1809-1871; and C. Correspondence, 1811-1871. </p>
          <p>Subseries A. Works is arranged alphabetically by topic: actinometry, astronomy, botany,
            Cambridge University Commission, chemistry, chronometry, linguistics and sound,
            mathematics, meteorology and barometry, music, philosophy, photography, physical optics,
            physics, poetry, Royal Mint, spectral analysis, Standards Commission, terrestrial
            magnetism, universities and education, and miscellaneous writings, notes, and drawings.
            Items within these topics are arranged alphabetically by title. Astronomical
            observations, mathematical works, and documents related to his tenure as Master of the
            Mint make up a significant portion of this subseries. Other large portions include test
            papers and notes recording his experiments in chemistry, photography, and physical
            optics.</p>
          <p>Subseries B. Personal Records is arranged alphabetically by format: account books,
            diaries, lists, memoranda, memorandum books, travel journals, travel papers, and
            miscellaneous family papers. Items filed under account books, diaries, memorandum books
            and travel journals are arranged chronologically and items filed under lists, memoranda,
            travel papers and miscellaneous family papers are arranged alphabetically by title. Many
            items from this subseries originally comprised Lot 489 of Sotheby &amp; Co.'s 1958
              <title xmlns:xlink="http://www.w3.org/1999/xlink" xlink:type="simple" render="italic"
              xlink:href="">Catalogue of Valuable Printed Books Autograph Letters Historical
              Documents, etc</title>. Most of John's diary entries from 13 November 1833 to 23
            December 1838 have been transcribed and published in <title
              xmlns:xlink="http://www.w3.org/1999/xlink" xlink:type="simple" render="italic"
              xlink:href="">Herschel at the Cape: Diaries and Correspondence of Sir John Herschel,
              1834-1838</title>, edited by David Evans (1969).</p>
          <p>Subseries C. Correspondence contains letters to family, friends, and associates and is
            arranged alphabetically by recipient (outgoing) and sender (incoming). The most
            significant and voluminous letters in this series are between Herschel and George
            Biddell Airy, centering primarily on the Royal Observatory at Greenwich and the
            Standards Commission. Other lengthy exchanges with notable correspondents include Edward
            Sabine (terrestrial magnetism) and Charles Edward Trevelyan (Royal Mint).</p>

      <p><emph render="bold">Series II. Sir William Herschel, 1753-1822</emph></p>

          <p>This series includes materials associated with Sir William Herschel's activities as an
            astronomer and musician and is arranged in three subseries: A. Works, 1763-1816; B.
            Personal Records, 1753-1822; and C. Correspondence, 1764-1822. </p>
          <p>Subseries A. Works is arranged alphabetically by title. Items include astronomical
            tables, notes on optics, astronomy, linguistics, and philosophy. The subseries also
            contains an astronomical calculator scroll and descriptions of astronomical instruments,
            especially micrometers.</p>
          <p>Subseries B. Personal Records is arranged alphabetically by title. A number of
            documents relate to William's activities as a telescope maker. The subseries also
            includes a substantial number of obituary notices for William Herschel with John or
            Caroline's notes in the margins.</p>
          <p>Subseries C. Correspondence is fairly limited in scope, comprising roughly fifteen
            correspondents, four of whom are relatives of William. The subseries is arranged
            alphabetically by recipient (outgoing) and sender (incoming). Notable correspondents
            include Charles Blagden, Prince Edward Augustus, Duke of Kent, Henry Englefield, and
            astronomer José de Mendoza y Riós. </p>

      <p><emph render="bold">Series III. Caroline Lucretia Herschel, 1783-1849</emph></p>

          <p>This series comprises materials related to Caroline Herschel and includes significant
            amounts of biographical information on both William and Caroline. It is arranged in
            three subseries: A. Works, 1783-1840; B. Personal Records, 1792-1849; and C.
            Correspondence, 1800-1847. </p>
          <p>Three bound volumes--Caroline's autobiography--comprise the bulk of subseries A. Works,
            which is arranged alphabetically by title. A work on the eclipse of the sun and "Tables
            for the Variation of Stars for One Year" make up the remainder of this subseries.</p>
          <p>Daybooks, extracts, and additional biographical memoranda comprise the majority of
            subseries B. Personal Records, which is arranged alphabetically by title. Legal
            documents, indices, diplomas, inventories, and documentation of Caroline's pension from
            King George IV of Great Britain complete this subseries.</p>
          <p>Subseries C. Correspondence is arranged alphabetically by recipient (outgoing) and
            sender (incoming). Correspondents include friends, associates, and family members.
            Letters from Lady Margaret Herschel comprise a large portion of Caroline's incoming
            correspondence. Other notable correspondents include scientists Johann Franz Encke, Carl
            Friedrich Gauss, and Alexander von Humboldt.</p>

      <p><emph render="bold">Series IV. Other Herschel Family Members, 1721-1951</emph></p>

          <p>Arranged alphabetically by name, this series includes manuscripts, correspondence,
            personal records and other documents for Alexander Stewart Herschel, Isabella Herschel,
            John Herschel (son of Sir John), Julia Mary Herschel, Lady Margaret Herschel, Margaret
            Louisa Herschel, Mary Pitt Herschel, Sir William James Herschel, and other or
            unidentified Herschels.</p>

      <p><emph render="bold">Series V. Third-Party Works and Correspondence, 1808-1868</emph></p>

          <p>Series V. is arranged in two subseries: A. Works, 1827-1868; and B. Correspondence,
            1808-1860s. This series comprises materials not ascribable to the principal authors of
            the first four series. The bulk of the material is scientific in nature and likely was
            given to, or acquired by, John F. W. Herschel.</p>
          <p>Subseries A. Works includes abstracts, memoranda, notes, reports, observations, and
            calculations, and is arranged alphabetically by creator name. In cases where two or more
            works are associated with one creator, those works have been arranged alphabetically by
            title under the creator's name. Notable persons include George Biddell Airy, James
            Russell Hind, Thomas Maclear, Edward Sabine, and William Samuel Stratford. Also present
            are some unidentified works, the majority of which are scientific in nature.</p>
          <p>Subseries B. Correspondence is arranged alphabetically by creator name. This subseries
            includes letters between non-Herschels. Notable correspondents include George Biddell
            Airy, Robert Fulton, Henry Drury Harness, and Charles E. Trevelyan. Some letters from
            unidentified authors to either non-Herschel or unidentified recipients is also
            present.</p>
        </scopecontent>

    <controlaccess>
      <head>Index Terms</head>
      <controlaccess>
        <head>People</head>
        <persname source="lcnaf" encodinganalog="700">Herschel, Caroline Lucretia,
          1750-1848</persname>
        <persname source="lcnaf" encodinganalog="700">Herschel, John F. W. (John Frederick William),
          Sir, 1792-1871</persname>
        <persname source="lcnaf" encodinganalog="700">Herschel, William, Sir, 1738-1822</persname>
      </controlaccess>
      <controlaccess>
        <head>Subjects</head>
        <subject source="lcsh" encodinganalog="650">Astronomy</subject>
        <subject source="lcsh" encodinganalog="650">Chemistry</subject>
        <subject source="lcsh" encodinganalog="650">Great Britain. Royal Mint</subject>
        <subject source="lcsh" encodinganalog="650">Mathematics</subject>
        <subject source="lcsh" encodinganalog="650">Photography</subject>
        <subject source="lcsh" encodinganalog="650">Physics</subject>
      </controlaccess>
      <controlaccess>
        <head>Document Types</head>
        <genreform encodinganalog="655" source="aat">Astronomical charts</genreform>
        <genreform encodinganalog="655" source="aat">Diaries</genreform>
        <genreform encodinganalog="655" source="aat">Research notes</genreform>
      </controlaccess>
    </controlaccess>
    <dsc type="in-depth">
      <head>Container List</head>
      <c01 level="series">
        <did>
          <unittitle>Series I., Sir John Frederick William Herschel, <unitdate era="ce"
              calendar="gregorian" type="inclusive">1809-1871</unitdate></unittitle>
        </did>
        <c02 level="subseries">
          <did>
            <unittitle>
              <emph render="bold">Subseries A. Works, </emph>
              <unitdate era="ce" calendar="gregorian" type="inclusive">
                <emph render="bold">1811-1871 </emph>
              </unitdate>
            </unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle> </unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle>
              <emph render="bold">Actinometry:</emph>
            </unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">1.1</container>
            <unittitle>Account of the actinometer, drafts 1-3, 64 pages, circa 1832.
              (W0077-W0079)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">1.2</container>
            <unittitle>Actinometer detail drawing, 1 page, circa 1820s. (W0075)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle> </unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle>Actinometer notebooks:</unittitle>
          </did>
          <c03>
            <did>
              <container type="Container">1.3</container>
              <unittitle>Vol. 1, 44 pages bound, 1827-1828. (W0064)</unittitle>
            </did>
          </c03>
          <c03>
            <did>
              <container type="Container">1.4</container>
              <unittitle>Vol. 2, 66 pages bound, circa 1833-1836. (W0065)</unittitle>
            </did>
          </c03>
          <c03>
            <did>
              <container type="Container">1.5</container>
              <unittitle>Vol. 3, 48 pages bound, 19 September 1836-28 July 1837. (W0066)</unittitle>
            </did>
          </c03>
          <c03>
            <did>
              <container type="Container">1.6</container>
              <unittitle>Vol. 4, 48 pages bound, 29 July-16 August 1837. (W0067)</unittitle>
            </did>
          </c03>
          <c03>
            <did>
              <container type="Container">1.7</container>
              <unittitle>Vol. 5, 84 pages bound, 23 June 1824-14 July 1827. (W0068)</unittitle>
            </did>
          </c03>
        </c02>
        <c02>
          <did>
            <container type="Container">1.8</container>
            <unittitle>Actinometer observations, 46 pages, 27 July-29 November 1826; 1837. (W0069
              and W0080)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">1.9</container>
            <unittitle>Actinoscope in operation (drawing), 4 pages, circa 1838. (W0083c)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">1.10</container>
            <unittitle>Analysis of actinometer observations, 24 pages, 8 February 1841-20 December
              1843. (W0070)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">1.11</container>
            <unittitle>Description of the actinometer and instructions to use it, 4 pages, 1824 or
              later. (W0076)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">1.12</container>
            <unittitle>Description of a proposed actinoscope, drafts 1-2, 32 pages, circa 1838.
              (W0081-W0082)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">1.13</container>
            <unittitle>Miscellaneous actinometrical manuscripts, 53 pages, circa 1824-1846.
              (W0084)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">1.14</container>
            <unittitle>Observations of the actinometer made at the Cape of Good Hope, 12 pages, 26
              January 1834-30 December 1837. (W0071)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle> </unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle>Parts of the actinoscope:</unittitle>
          </did>
          <c03>
            <did>
              <container type="Container">1.15</container>
              <unittitle>I. Description, 5 pages, circa 1838. (W0083a)</unittitle>
            </did>
          </c03>
          <c03>
            <did>
              <container type="Container">1.16</container>
              <unittitle>II. Technical drawings, 5 pages, circa 1838. (W0083b)</unittitle>
            </did>
          </c03>
        </c02>
        <c02>
          <did>
            <unittitle>
              <emph render="bold">Astronomy:</emph>
            </unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">1.17</container>
            <unittitle>Apparent places of the principal stars, 17 pages, circa 1847.
              (W0107)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">osf 1</container>
            <unittitle>Astron measurement, graph, 1 sheet, undated.</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">1.18</container>
            <unittitle>Astronomical observations, 6 pages, 17 September-9 November 1816.
              (W0099)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">1.19</container>
            <unittitle>Calculations about sine of Earth, 4 pages, circa 1848. (W0136)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle> </unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle>Cape of Good Hope:</unittitle>
          </did>
          <c03>
            <did>
              <container type="Container">1.20</container>
              <unittitle>Halley's comet observed at the Cape, 7 pages, 25-27 January 1836.
                (W0112)</unittitle>
            </did>
          </c03>
          <c03>
            <did>
              <container type="Container">1.21</container>
              <unittitle>Theory of deduction of my Cape sweeps, 6 pages, circa 1835.
                (W0132)</unittitle>
            </did>
          </c03>
          <c03>
            <did>
              <container type="Container">1.22</container>
              <unittitle>Zones 159. 160. 161. Sweep 513, 2 pages, circa 1830. (W0133)</unittitle>
            </did>
          </c03>
        </c02>
        <c02>
          <did>
            <container type="Container">os framed 1</container>
            <unittitle>Cassini's comet, 1744 / Biela's double comet / Donati's comet, 1858 (6
              paintings), 1 sheet, 1858 or later.</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">1.23</container>
            <unittitle>Comet list, 6 pages, circa 1843. On verso: correspondence and notes on
              grammar. (MW0001)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">1.24</container>
            <unittitle>Computations for reducing the diameters of the planets, 2 pages, circa 1819.
              (W0098)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">1.25</container>
            <unittitle>Cross wire micrometer, 2 pages, 4 November 1816. (MW0066)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">1.26</container>
            <unittitle>Description of the 20-feet reflector, 32 pages, circa 1825-1837.
              (W0147)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">1.27</container>
            <unittitle>Description and use of the 10-feet Newtonian reflector, 22 pages, 18 December
              1831. On verso: correspondence. (W0085)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">1.28</container>
            <unittitle>Double stars, 15 pages, circa 1826-1859. On verso: correspondence.
              (W0114)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">1.30</container>
            <unittitle>The Equatorial: its adjustments and use, 8 pages, undated.
              (W0091)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">1.31</container>
            <unittitle>Excerpts from scientific works on solar energy and heat, 5 pages, 7 April
              1852. (MW0146)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">1.32</container>
            <unittitle>The Eye, 4 pages, undated. (MW0067)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">osf 1</container>
            <unittitle>The Great Nebula about (Eta) Argus as seen in the 20-feet reflector at
              Feldhausen (engraving), 1 sheet, circa 1869.</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">osf 4</container>
            <unittitle>Greenwich Observatory, Greenwich parish, County of Kent, 1 printed map,
              undated. (MW0116)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">os framed 2</container>
            <unittitle>Halley's comet (4 paintings), 1836, 1 sheet, circa 1836.</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">1.33</container>
            <unittitle>Intensity of variable stars (graphs), 9 fragments, 1840-1851.
              (W0105)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">1.34</container>
            <unittitle>Investigations of the elements of the apparent orbit, early drafts, 20 pages,
              circa 1849. (W0103)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle> </unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle>Lacailles stars:</unittitle>
          </did>
          <c03>
            <did>
              <container type="Container">2.1</container>
              <unittitle>Preface to Lacaille's Catalogue, draft, 2 pages, 8 May 1847. On verso:
                correspondence. (W0206)</unittitle>
            </did>
          </c03>
          <c03>
            <did>
              <container type="Container">osf 4</container>
              <unittitle>Preface to Catalogue of 9766 Stars in the Southern Hemisphere, proofs with
                handwritten corrections, 9 leaves, 1847. (W0208)</unittitle>
            </did>
          </c03>
          <c03>
            <did>
              <container type="Container">2.2</container>
              <unittitle>Report of the Committee for the Reduction of Lacailles Stars (draft), 4
                pages, 1841-1842. (W0204-W0205)</unittitle>
            </did>
          </c03>
          <c03>
            <did>
              <container type="Container">2.3</container>
              <unittitle>Title page for Lacaille's Catalogue, printed proof with handwritten
                corrections by John Herschel and in unknown hand, 1 page, 20 May 1847.
                (W0207)</unittitle>
            </did>
          </c03>
        </c02>
        <c02>
          <did>
            <container type="Container">2.4</container>
            <unittitle>Lectures on astronomy, 32 pages bound, 24 April-1 October 1846. Probably
              copied by Isabella Herschel from original notes; "Papa's Lectures" written on front
              cover; includes diagrams. (MW0002)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">2.5</container>
            <unittitle>Light, 1 fragment, 1848. (MW0069)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">osf 4</container>
            <unittitle>List of comets, 2 sheets, circa 1835-1847. (W0100)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">2.6</container>
            <unittitle>List VII of variable stars, 4 pages, 1852 or later. (W0090)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">2.7</container>
            <unittitle>Mean angular diameters of planets, 1 page, undated. (W0108)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">2.8</container>
            <unittitle>Memo in copy book re: letter to Forbes, 1 page, 3 March 1840.
              (W0144)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">2.9</container>
            <unittitle>Meteors of the 9th of August, 1 page, circa 21 August 1841.
              (W0096)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">2.10</container>
            <unittitle>Milky Way main stream, 1 page, undated. (W0137)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">2.11</container>
            <unittitle>Miscellanea, 2 leaves, 12 May 1820. (MW0070)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle> </unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle>Miscellaneous astronomical calculations:</unittitle>
          </did>
          <c03>
            <did>
              <container type="Container">2.12</container>
              <unittitle>I, 4 pages, 1836. (W0123-W0124)</unittitle>
            </did>
          </c03>
          <c03>
            <did>
              <container type="Container">2.13</container>
              <unittitle>II, 4 pages, circa 1845. On verso: correspondence.
                (W0120-W0121)</unittitle>
            </did>
          </c03>
          <c03>
            <did>
              <container type="Container">2.14</container>
              <unittitle>III, 1 page, circa 1848. (W0126)</unittitle>
            </did>
          </c03>
          <c03>
            <did>
              <container type="Container">2.15</container>
              <unittitle>IV, 4 fragments, circa 1857. (W0127)</unittitle>
            </did>
          </c03>
          <c03>
            <did>
              <container type="Container">2.16</container>
              <unittitle>V, 4 pages, circa 1859. (W0117-W0118)</unittitle>
            </did>
          </c03>
          <c03>
            <did>
              <container type="Container">2.17</container>
              <unittitle>VI, 1 page, 17-28 July 1861. (W0125)</unittitle>
            </did>
          </c03>
        </c02>
        <c02>
          <did>
            <container type="Container">2.18</container>
            <unittitle>Miscellaneous astronomical diagrams, 4 pages, 25 December 1832 and before
              1848. On verso: correspondence. (W0139)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">2.19</container>
            <unittitle>Miscellaneous astronomical observations, 8 pages, circa 1850s.
              (W0122)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">2.20</container>
            <unittitle>Miscellaneous notes, 4 pages and 1 graph, circa 1864.
              (W0145-W0146)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">2.21</container>
            <unittitle>My own theory compared with Emerson, 1 page, undated. (MW0071)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">osf 1</container>
            <unittitle>Nebula drawings, 4 sheets, undated.</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">2.22</container>
            <unittitle>Notes on observations of variable stars, 58 pages, circa 1836-1849.
              (W0089)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">2.23</container>
            <unittitle>Observations of the course of the Milky Way, 1 page, 11 December 1848.
              (W0088)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">2.24</container>
            <unittitle>Observations of Orionis, 1 page, 5-26 March 1860. (W0113)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">2.25</container>
            <unittitle>Observations of stars, 2 pages, circa 1830-1846. On verso: record of
              correspondence of a committee. (W0115)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">2.26</container>
            <unittitle>Observations of variable stars, 13 pages, circa 1859. On verso:
              correspondence. (W0116)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">2.27</container>
            <unittitle>On the determination of the elements of the orbits of revolving double stars,
              5 pages, circa 1849. Original folder included. (W0104)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">2.28</container>
            <unittitle>On the determination of the most probable orbit of a binary star from the
              assemblage of a great number of observed angles of position and investigations of the
              elements of apparent orbit, 22 pages, 25 March 1849. (W0102)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">2.29</container>
            <unittitle>Orbit of Virginis, 13 pages, 1826-1847 (bulk 1834-1846). Original folder
              included. (W0109)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">1.29</container>
            <unittitle>Planets and spots in sun (drawings), 9 pages, 1825-1837 (bulk 1837). Original
              folder included. (W0093)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">osf 17</container>
            <unittitle>Polar projections, 1 diagram, 14 April 1857.</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">2.30</container>
            <unittitle>Problem: given right ascension and polar dicti of 2 stars, 2 pages, 17 June
              1841. On verso: correspondence. (W0142)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">2.31</container>
            <unittitle>Process to correct eyes, 1 page, undated. (W0138)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">2.32</container>
            <unittitle>Professor Heis's sequences, 96 pages bound, 25 August 1843-28 April 1851.
              (W0087)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">2.33</container>
            <unittitle>Saturn 20-ft. new PSP mirror, 2 pages, 28 April 1837. On verso:
              correspondence. (W0141)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">osf 2</container>
            <unittitle>Sky map. Constellations in northern hemisphere, February-June, 6 sheets,
              undated. </unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">osf 3</container>
            <unittitle>Sky map. Constellations in northern hemisphere, July-December, 5 sheets,
              undated.</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">osf 1</container>
            <unittitle>Solar eclipse (drawing), 1 sheet, undated.</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle> </unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle>Star charts:</unittitle>
          </did>
          <c03>
            <did>
              <container type="Container">osf 5</container>
              <unittitle>Course of the Milky Way, 1 sheet, undated. (W1028)</unittitle>
            </did>
          </c03>
          <c03>
            <did>
              <container type="Container">osf 6</container>
              <unittitle>Northern hemisphere, first triangulation, index #28, 1 sheet, 1841.
                (W1037)</unittitle>
            </did>
          </c03>
          <c03>
            <did>
              <container type="Container">osf 7</container>
              <unittitle>Southern hemisphere with handwritten additions of boundary lines for the
                constellations (engraving), 1 sheet, 24 July 1843. (W1034)</unittitle>
            </did>
          </c03>
          <c03>
            <did>
              <unittitle>Triangulation southern heavens:</unittitle>
            </did>
            <c04>
              <did>
                <container type="Container">osf 8</container>
                <unittitle>Index #18, 1 sheet, undated. (W1036)</unittitle>
              </did>
            </c04>
            <c04>
              <did>
                <container type="Container">osf 9</container>
                <unittitle>Index #19, 1 sheet, undated. (W1038)</unittitle>
              </did>
            </c04>
            <c04>
              <did>
                <container type="Container">osf 10</container>
                <unittitle>Index #20, 1 sheet, circa 1830s. (W1035)</unittitle>
              </did>
            </c04>
            <c04>
              <did>
                <container type="Container">osf 11</container>
                <unittitle>Index #22, 1 sheet, undated. (W1029)</unittitle>
              </did>
            </c04>
            <c04>
              <did>
                <container type="Container">osf 12</container>
                <unittitle>Index #23, 1 sheet, undated. (W1033)</unittitle>
              </did>
            </c04>
            <c04>
              <did>
                <container type="Container">osf 13</container>
                <unittitle>Index #24, 1 sheet, undated. (W1032)</unittitle>
              </did>
            </c04>
            <c04>
              <did>
                <container type="Container">osf 14</container>
                <unittitle>Index #27, 1 sheet, undated. (W1030)</unittitle>
              </did>
            </c04>
            <c04>
              <did>
                <container type="Container">osf 15</container>
                <unittitle>Index #48, 1 sheet, undated. (W1039)</unittitle>
              </did>
            </c04>
            <c04>
              <did>
                <container type="Container">osf 16</container>
                <unittitle>With handwritten additions of boundary lines for the constellations
                  (engraving), 1 sheet, 1 February 1841. (W1031)</unittitle>
              </did>
            </c04>
          </c03>
        </c02>
        <c02>
          <did>
            <container type="Container">2.34</container>
            <unittitle>Stars (drawing), 1 fragment, 10 July 1861. (W0119)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">osf 2</container>
            <unittitle>Structure near edge of a sunspot (diagram), 1 sheet, circa 1864.</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">2.35</container>
            <unittitle>To make and reduce an observation with the transit lines, 2 pages, undated.
              (W0143)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">2.36</container>
            <unittitle>Total eclipse (diagram), 4 printed pages, circa 1868. (MW0143)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">osf 17</container>
            <unittitle>Vulgar magnitudes and light curves of stars... with the photometric measures
              of the same stars, 1 sheet, circa 1862.</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle> </unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle>
              <emph render="bold">Botany:</emph>
            </unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">2.37</container>
            <unittitle>Botanical memoranda, gardening lists, and notes, 33 pages, 30 May 1839-17
              November 1857. (MW0008)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">2.38</container>
            <unittitle>Botanical notebook, 25 pages bound, circa 1861. (MW0008a)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">2.39</container>
            <unittitle>Bulbs of the gladiolus, 1 page, 1 April 1835. (MW0009)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">2.40</container>
            <unittitle>Ergot. Smut of barley, 2 pages, 5 October 1835. (MW0013)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">2.41</container>
            <unittitle>Geranium creeper stand (pencil sketch), 1 page, undated.
              (MW0008d)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">2.42</container>
            <unittitle>Gladiolus, 9 pages, 12 June-5 August 1836. (MW0008b)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">2.43</container>
            <unittitle>Notes written in the natural ink of a certain toadstool, 6 pages, 22
              September 1841-4 October 1847. (MW0008c)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">2.44</container>
            <unittitle>Vegetable products of the Cape, 5 pages, circa 1833-1838.
              (MW0011)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle> </unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle>
              <emph render="bold">Cambridge University Commission:</emph>
            </unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">2.45</container>
            <unittitle>Papers, 97 pages, circa 1850-1852. (W0152)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">2.46</container>
            <unittitle>Report to Her Majesty on the state of the University of Cambridge (published
              report), 19 pages, circa 1850-1852. (W0151)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">2.47</container>
            <unittitle>Essay on university instruction, 14 pages, undated. (W0150)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle> </unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle>
              <emph render="bold">Chemistry:</emph>
            </unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle> </unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle>Chemistry notes:</unittitle>
          </did>
          <c03>
            <did>
              <container type="Container">3.1</container>
              <unittitle>I, 16 pages, circa 1830-1860. (W0163-W0170; W0172-W0176)</unittitle>
            </did>
          </c03>
          <c03>
            <did>
              <container type="Container">3.2</container>
              <unittitle>II, 1 page, circa 1832-1837. (W0180-W0195)</unittitle>
            </did>
          </c03>
          <c03>
            <did>
              <container type="Container">3.3</container>
              <unittitle>III, 18 pages, circa 1846. (W0161)</unittitle>
            </did>
          </c03>
          <c03>
            <did>
              <container type="Container">3.4</container>
              <unittitle>IV, 9 pages, circa 1849-1854. (W0156)</unittitle>
            </did>
          </c03>
        </c02>
        <c02>
          <did>
            <container type="Container">3.5</container>
            <unittitle>Chemistry: Salts obtained from Rothschild magma no. 5, 7 pages, 31 May 1856.
              (W0162)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">3.6</container>
            <unittitle>Experiments on syrups, 12 pages, circa 1846. (W0199)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">3.7</container>
            <unittitle>Extract of On the chemical action of the rays of the solar spectrum, 1 page,
              20 February 1840. (W0160)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">3.8</container>
            <unittitle>Extract from Thomson's annals on chloride of sulphur, 12 pages, June 1820.
              (MW0012)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">3.9</container>
            <unittitle>Extracts of chemical experiments Vol. III (typescript), 3 pages, 1829, 1832,
              and 1839. Includes annotations in the hand of Isabella Herschel. (W0159)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">3.10</container>
            <unittitle>Extracts from the works of John Davy and Sir Humphrey Davy, 12 pages, 1-2 and
              28 June, 1 July 1814. (MW0112)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">3.11</container>
            <unittitle>A list of requisite tables for perfecting chemical science, 2 pages, undated.
              (W0201)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">3.12</container>
            <unittitle>List of the Rothschildian products and educts, 9 pages, undated.
              (W0202)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">3.13</container>
            <unittitle>List of Rothschildian salts and products, 11 pages, undated.
              (MW0014)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">3.14</container>
            <unittitle>Medicine, 4 pages, undated. (W0200)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">3.15</container>
            <unittitle>Miscellaneous chemistry notes and observations, 100 pages, circa 1825-1860.
              (W0196)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">3.16</container>
            <unittitle>Nomenclature of qualitative analysis, 1 page, undated. (W0153)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">3.17</container>
            <unittitle>Note on article in Annales de chimie, 1 page, undated. (M1135)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle> </unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle>Notes for chemistry experiments; numbers 1133-1819:</unittitle>
          </did>
          <c03>
            <did>
              <container type="Container">3.18</container>
              <unittitle>1133-1250, 315 items, 26 January 1848-13 November 1849.
                (W0388-W0405)</unittitle>
            </did>
          </c03>
          <c03>
            <did>
              <container type="Container">3.19</container>
              <unittitle>1251-1270, 85 items, 25 December 1849-20 June 1850.
                (W0406-W0422)</unittitle>
            </did>
          </c03>
          <c03>
            <did>
              <container type="Container">3.20</container>
              <unittitle>1271-1290, 105 items, 25 July 1850-8 January 1854.
                (W0423-W0436)</unittitle>
            </did>
          </c03>
          <c03>
            <did>
              <container type="Container">3.21</container>
              <unittitle>1291-1310, 119 items, 21 January-14 July 1854. (W0437-W0456)</unittitle>
            </did>
          </c03>
          <c03>
            <did>
              <container type="Container">4.1</container>
              <unittitle>1311-1330, 110 items, May 1854-20 March 1856. (W0457-W0476)</unittitle>
            </did>
          </c03>
          <c03>
            <did>
              <container type="Container">4.2</container>
              <unittitle>1332-1350, 100 items, 7 April-22 September 1856. (W0477-W0496)</unittitle>
            </did>
          </c03>
          <c03>
            <did>
              <container type="Container">4.3</container>
              <unittitle>1351-1370, 92 items, 20 September-28 December 1856.
                (W0497-W0516)</unittitle>
            </did>
          </c03>
          <c03>
            <did>
              <container type="Container">4.4</container>
              <unittitle>1371-1390, 170 items, 13 December 1856-8 September 1857.
                (W0517-W0536)</unittitle>
            </did>
          </c03>
          <c03>
            <did>
              <container type="Container">4.5</container>
              <unittitle>1391-1410, 92 items, 15 August-4 December 1857. (W0537-W0555)</unittitle>
            </did>
          </c03>
          <c03>
            <did>
              <container type="Container">4.6</container>
              <unittitle>1411-1430, 170 items, 16 December 1857-15 March 1858.
                (W0556-W0575)</unittitle>
            </did>
          </c03>
          <c03>
            <did>
              <container type="Container">4.7</container>
              <unittitle>1431-1450, 180 items, February-circa 15 July 1858.
                (W0576-W0595)</unittitle>
            </did>
          </c03>
          <c03>
            <did>
              <container type="Container">4.8</container>
              <unittitle>1451-1470, 90 items, 25 July-19 September 1858. (W0596-W0615)</unittitle>
            </did>
          </c03>
          <c03>
            <did>
              <container type="Container">4.9</container>
              <unittitle>1471-1490, 190 items, 6 December 1858-10 May 1859.
                (W0616-W0635)</unittitle>
            </did>
          </c03>
          <c03>
            <did>
              <container type="Container">5.1</container>
              <unittitle>1491-1510, 180 items, 12 May-1 September 1859. (W0636-W0655)</unittitle>
            </did>
          </c03>
          <c03>
            <did>
              <container type="Container">5.2</container>
              <unittitle>1511-1530, 130 items, 12 September 1859-30 June 1860.
                (W0656-W0675)</unittitle>
            </did>
          </c03>
          <c03>
            <did>
              <container type="Container">5.3</container>
              <unittitle>1531-1550, 120 items, 2 July 1860-17 February 1861.
                (W0676-W0695)</unittitle>
            </did>
          </c03>
          <c03>
            <did>
              <container type="Container">5.4</container>
              <unittitle>1551-1570, 76 items, 20 November 1860-19 March 1861.
                (W0696-W0714)</unittitle>
            </did>
          </c03>
          <c03>
            <did>
              <container type="Container">5.5</container>
              <unittitle>1571-1590, 120 items, 19 March-6 June 1861. (W0715-W0734)</unittitle>
            </did>
          </c03>
          <c03>
            <did>
              <container type="Container">5.6</container>
              <unittitle>1591-1610, 90 items, May-13 November 1861. (W0735-W0754)</unittitle>
            </did>
          </c03>
          <c03>
            <did>
              <container type="Container">5.7</container>
              <unittitle>1611-1629, 190 items, 13 November 1861-8 July 1862.
                (W0755-W0773)</unittitle>
            </did>
          </c03>
          <c03>
            <did>
              <container type="Container">5.8</container>
              <unittitle>1631-1650, 170 items, 20 June 1862-31 January 1863.
                (W0774-W0793)</unittitle>
            </did>
          </c03>
          <c03>
            <did>
              <container type="Container">5.9</container>
              <unittitle>1651-1670, 95 items, 14 January 1863-5 May 1864. (W0794-W0812)</unittitle>
            </did>
          </c03>
          <c03>
            <did>
              <container type="Container">6.1</container>
              <unittitle>1671-1690, 120 items, 8 May-14 July 1864. (W0813-W0832)</unittitle>
            </did>
          </c03>
          <c03>
            <did>
              <container type="Container">6.2</container>
              <unittitle>1691-1710, 110 items, 12 September 1864-19 January 1866.
                (W0833-W0852)</unittitle>
            </did>
          </c03>
          <c03>
            <did>
              <container type="Container">6.3</container>
              <unittitle>1711-1730, 110 items, 2 February-15 April 1866. (W0853-W0872)</unittitle>
            </did>
          </c03>
          <c03>
            <did>
              <container type="Container">6.4</container>
              <unittitle>1731-1750, 63 items, 14 April-29 May 1866. (W0873-W0890)</unittitle>
            </did>
          </c03>
          <c03>
            <did>
              <container type="Container">6.5</container>
              <unittitle>1751-1770, 100 items, 28 May 1866-27 April 1869. (W0891-W0910)</unittitle>
            </did>
          </c03>
          <c03>
            <did>
              <container type="Container">6.6</container>
              <unittitle>1771-1790, 100 items, 26 April-8 July 1869. (W0911-W0930)</unittitle>
            </did>
          </c03>
          <c03>
            <did>
              <container type="Container">6.7</container>
              <unittitle>1791-1819, 90 items, 19 July 1869-21 May 1870. (W0931-W0960)</unittitle>
            </did>
          </c03>
        </c02>
        <c02>
          <did>
            <container type="Container">6.8</container>
            <unittitle>Notice of a chemical examination of a specimen of native iron brought by
              Capt. Alexander from the East Bank..., 3 pages, 1837. Read to the South African
              Literary and Philosophical Institution by J. W. H. Herschel. (W0158)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">6.9</container>
            <unittitle>On the colouring principles of Arehil and some other vegetable products, 6
              pages, undated. (W0197)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">6.10</container>
            <unittitle>On a singular pyrometric property of the sulphate of potash and copper with a
              conjecture on the origin of volcanic dust, 2 pages, undated. (W0155)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">6.11</container>
            <unittitle>On a vegetable principle possessing alkaline qualities, existing in the juice
              of the Mesembryanthemum edule or Hottentot fig, 2 pages, undated. (W0179)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">6.12</container>
            <unittitle>Optical chemistry, 1 page, undated. (W0332)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">6.13</container>
            <unittitle>Plana. Note on Foucault's experiment, 1 page, undated. (W0198)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">6.14</container>
            <unittitle>Phosphori: boiled lobster, 1 page, 16 July 1828. (W0203)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">6.15</container>
            <unittitle>Provisional names of problematic metals, 1 page, undated.
              (MW0015)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">6.16</container>
            <unittitle>Rhodium soluble in aqua regia, 1 page, undated. (W0157)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">6.17</container>
            <unittitle>Sulphureated hydrogen, 1 page, undated. (MW0016) </unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle> </unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle>
              <emph render="bold">Chronometry:</emph>
            </unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">7.1</container>
            <unittitle>Chronometer and clock, 1 page, 2 June 1821. (W0130)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">7.2</container>
            <unittitle>Comparisons of chronometer and clock at Slough, 2 pages, 18 June 1821.
              (MW0105)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">7.3</container>
            <unittitle>Difference of longitude between Slough and Blackman St., 1 page, 7 September
              1820. (W0134)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">7.4</container>
            <unittitle>Rockets at Richmond observed at Slough by Herschel and Copeland, 1 page,
              circa 1820s. (W0131)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">7.5</container>
            <unittitle>South's chronometer arrived, 4 pages, 16 January 1821. (W0128)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">7.6</container>
            <unittitle>South's... chronometer compared with clock observatory, 9 pages, 17 January
              1822. (W0129)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle> </unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle>
              <emph render="bold">Linguistics and sound:</emph>
            </unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">7.7</container>
            <unittitle>Articulate sounds: specimens of language, 14 pages, 1827 or later.
              (W0359)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">7.8</container>
            <unittitle>Hints relative to the propriety of adopting a regular system of characters
              (first and final drafts), 17 pages, circa 1833. (W0355)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">7.9</container>
            <unittitle>Phonetics, vocabularies, alphabets, 23 pages, 1829 or later.
              (W0358)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">7.10</container>
            <unittitle>Rational grammar; inductive grammar, 23 pages, circa 1843.
              (W0356)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">7.11</container>
            <unittitle>Sound, 43 pages, circa 1827 or later. (W0357)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle> </unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle>
              <emph render="bold">Mathematics:</emph>
            </unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">7.12</container>
            <unittitle>Analytical Society: miscellaneous problems, 9 pages bound, circa 1810.
              (W0213)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">7.13</container>
            <unittitle>Arithmetic. In a series of lessons from Papa to his two daughters Caroline
              and Isabella, 20 pages bound, 7 February-13 March 1845. In the hand of Caroline or
              Isabella Herschel. (MW0033)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">7.14</container>
            <unittitle>Computations and deductions, 24 pages, 1821. (MW0034)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">7.15</container>
            <unittitle>Extracts and abstracts from the works of great mathematicians: Perrault,
              Bernoulli and Euler, Monge and Laplace, Papin, Leibniz, Buée, Charles and Legrange,
              Hirsch, and Spence, 18 items (162 leaves), circa 1813-1817. (W0226-W0244)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">7.16</container>
            <unittitle>The fluxions and integrals of logarithmic circular and exponential
              quantities, 24 pages bound, 11 February 1812. (W0219)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">7.17</container>
            <unittitle>General questions to be proposed to moderators and syndics of mathematical
              studies, 3 pages, undated. (MW0115)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">7.18</container>
            <unittitle>Geometrike problems, 1849, 2 pages, 25 August and 15 September 1849.
              (M1099)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">7.19</container>
            <unittitle>Sir John Herschel's manuscript of Newton's Principia given to his pupil F.
              Jackson, 162 pages bound, 3 November 1811.</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">8.1</container>
            <unittitle>Mathematical calculations. 6 pages, 1862-1863. On verso: correspondence.
              (MW0039)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">8.2-3</container>
            <unittitle>Mathematical manuscripts: unidentified material, 574 pages, circa 1818-1865.
              On verso: correspondence. (W0245)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">8.4</container>
            <unittitle>Mathematical tables, 19 tables, undated. (M1128.5)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">8.5</container>
            <unittitle>Mathematical wheel, 1 item, undated. (MW0043)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">8.6</container>
            <unittitle>Memoir on a remarkable application of Cotes's theorem (first and second
              drafts), 44 pages bound, 15 June 1812-1813. (W0223)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">8.7</container>
            <unittitle>Miscellaneous mathematical papers, 40 pages, circa 1849-1863.
              (MW0045)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">8.8</container>
            <unittitle>Miscellaneous researches, 44 pages bound, 6 June-11 October 1815.
              (W0214)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">8.9</container>
            <unittitle>Newton's 6th section of the first book of the Principia, 20 pages bound, 27
              September 1811. (W0217) </unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">8.10</container>
            <unittitle>Note on essay II of Spence's work, 20 pages bound, circa 1812-1870.
              (W0225)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">8.11</container>
            <unittitle>Note on mathematics, 1 page, undated. (MW0046)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">8.12</container>
            <unittitle>On the Cambridge System of Mathematical Study (first and second drafts), 19
              pages, undated. (W0149)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">8.13</container>
            <unittitle>On the Cambridge System of Mathematical Study (fair copy), 49 pages, undated.
              Original folder included. (W0148)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">8.14</container>
            <unittitle>On certain general properties of rational and integral functions, 9 pages
              bound, 30 June 1812. Presented to the Cambridge Analytical Society.
              (W0216)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">8.15</container>
            <unittitle>On the development of factorial functions, 5 pages, circa 1815.
              (W0215)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">8.16</container>
            <unittitle>On a graphical method of performing certain 4-figure calculations, 2 pages,
              undated. (MW0047)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">8.17</container>
            <unittitle>On symmetrical functions, 68 pages bound, circa 1818. (W0210)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">8.18</container>
            <unittitle>On trigonometrical functions of different orders, 30 pages bound, 1812-1813.
              (W0224)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">8.19</container>
            <unittitle>Problems in the theory of cords and equilibrated arches and domes, 16 pages
              bound, 29 September 1812. (W0220)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">8.20</container>
            <unittitle>Remarks on the theory of analytical development, 19 pages, 1812.
              (W0212)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">8.21</container>
            <unittitle>A review of The Principles of Fluxions by William Dealtry, 20 pages, circa
              1816. (W0211)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">8.22</container>
            <unittitle>Spherical trigonometry analytically worked, 26 pages bound, 25 December 1811.
              (W0221)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">8.23</container>
            <unittitle>Thesis on the 11th section and third vol. of Principia, 22 pages, 2 November
              1812. (W0218)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle> </unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle>
              <emph render="bold">Meteorology and barometry:</emph>
            </unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">9.1</container>
            <unittitle>Account of a barometrical measurement of Etna in July 1824, 2 pages, after 3
              July 1824. (MW0049)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">9.2</container>
            <unittitle>Barometer pendulum, 6 pages, 17-19 April 1835. (MW0050)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">9.3</container>
            <unittitle>Barometric observations and collections, 11 pages, July-October 1821 and
              1824. (MW0053)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">9.4</container>
            <unittitle>Barometrical observations, comparisons, and deductions, 18 pages, 27 March-17
              April 1824; 10-25 October 1833; 11 September 1838. (MW0052)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">9.5</container>
            <unittitle>Barometrical and thermometrical observations, itinerant, 31 pages bound, 21
              July 1821-May 1837. (MW0051)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">9.6</container>
            <unittitle>Comparison of barometers and various related notes, 55 pages, 1824-1838.
              (MW0054)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">9.7</container>
            <unittitle>Enquiry into the state of my barometer at the September equinox, 2 pages,
              September 1836. (MW0055)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">9.8</container>
            <unittitle>Extracts from Lithowe's meteorological journal, 1 page, 1821 or later.
              (MW0058)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">9.9</container>
            <unittitle>Height of Etna: numerical computations and results, 53 pages, circa 1824.
              (MW0036)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">9.10</container>
            <unittitle>Height of Etna and observations in Sicily, 3 pages, circa 1824.
              (MW0035)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">9.11</container>
            <unittitle>Heights of places from various authorities, 12 pages, circa 1818 and 2 August
              1822. On verso: correspondence. (MW0038)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">9.12</container>
            <unittitle>Height of Vesuvius, 15 pages, 1824. (MW0037)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">9.13</container>
            <unittitle>Mr. Futer's observations of barometer and thermometer at Berne, 2 pages,
              August 1821. (MW0059)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">9.14</container>
            <unittitle>Report of the Meteorological Committee, 2 pamphlets, 40 printed pages bound,
              17 July 1837. Includes Herschel's annotations. (M1182)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle> </unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle>
              <emph render="bold">Music:</emph>
            </unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">9.15</container>
            <unittitle>The construction of the musical scale, 12 printed pages bound, undated.
              (W0248)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">9.16</container>
            <unittitle>Notes on musical scales, 71 pages, 1784-1867. On verso: correspondence.
              (W0246)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">9.17</container>
            <unittitle>On musical scales (draft), 32 pages, circa 1868. (W0247)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle> </unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle>
              <emph render="bold">Philosophy:</emph>
            </unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">9.18</container>
            <unittitle>Extract from the report of the council of the Cambridge Philosophical Society
              for the anniversary meeting, 10 May 1823, 1 page, 16 May 1823. (MW0114)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">9.19</container>
            <unittitle>Metaphysics: notes, 14 pages, undated. (MW0062)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">9.20</container>
            <unittitle>Of the natural man, 2 pages, undated. (MW0063)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">9.21</container>
            <unittitle>Philosophy notes. 8 pages, undated. On verso: correspondence.
              (MW0064)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">9.22</container>
            <unittitle>Scraps of philosophy, politics, 56 pages, undated. (MW0065)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">9.23</container>
            <unittitle>Sir William Hamilton's philosophy, 1 newspaper clipping of article in the
              Times, 13 May 1851. (MW0148)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle> </unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle>
              <emph render="bold">Photography:</emph>
            </unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">9.24</container>
            <unittitle>Blue test papers: heartsease, blue iris, 13 items, circa 1854.
              (W0267)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">9.25</container>
            <unittitle>Chemistry, photography: collodion (preparation of), 1 page, undated.
              (W0264)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">9.26</container>
            <unittitle>Copying ink paper (Waterlow's Autographic Press), 7 items, circa 1850s.
              (W0279)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">9.27</container>
            <unittitle>Notes on photography, 1 page, circa 1842. (MW0129)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">9.28</container>
            <unittitle>Photographed spectra, 28 pages bound, 1855 and April-September 1859.
              (W0259)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">9.29</container>
            <unittitle>Photographic memoranda (list of test papers and preparations), 55 pages
              bound, circa 1813-1859 (bulk 1839-1859). (W0268)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">9.30</container>
            <unittitle>Photographic test papers for flower juices, approximately 96 items,
              1857-1870. (W0266)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">9.31</container>
            <unittitle>Photography: Argentine, 15 pages, 1842-1843 (bulk 1842). (W0272)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">9.32</container>
            <unittitle>Photography: experiments and observations - vegetable colours, 40 pages, 14
              June 1841-15 May 1842. (W0278)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">10.1</container>
            <unittitle>Photography: ferro-tartaric and ferro-citric acids, 5 pages, 26 November-3
              December 1842 and 1 May 1843. (W0276)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">10.2</container>
            <unittitle>Photography: gold, platina, iridium, palladium, chromium, 9 pages, 27
              April-23 October 1842. (W0275)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">10.3</container>
            <unittitle>Photography: iodography, 1 page, 1847. (W0262)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">10.4</container>
            <unittitle>Photography: iron with cyanogen, cyanotype ferrocyantes, 19 pages, 24
              April-15 December 1842. (W0277)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">10.5</container>
            <unittitle>Photography: memoranda, 1 page, 29 April and 1 June 1842. (W0260)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">10.6</container>
            <unittitle>Photography: mercury, 16 pages, 1842-1843. (W0274)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">10.7</container>
            <unittitle>Photography: rough memoranda and notes, 4 pages, April 1840-July 1841.
              (W0271)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">10.8</container>
            <unittitle>Photography: scraps - memoranda, 38 pages, 1842. (W0273)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">10.9</container>
            <unittitle>Scarlet poppy paper, 3 items, undated. (W0263)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">10.10</container>
            <unittitle>Sulpho-cyanic compounds, 2 pages, 26 August, 22 October, and 14 December
              1842. (W0265)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">10.11</container>
            <unittitle>Thermography, thermo-photography: hydrargyro-cyanotype, 3 pages, 13 August
              1842-17 March 1843. (W0270)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">10.12</container>
            <unittitle>Thermo-photography: kelacotype or amphitype, 13 pages, 26 July 1842-22
              October 1843. (W0269)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle> </unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle>
              <emph render="bold">Physical optics:</emph>
            </unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">10.13</container>
            <unittitle>Aberrations, 2 pages, 7 February 1821. (W0341)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">10.14</container>
            <unittitle>Absorbtion of coloured light in unchrystallined bodies, 13 pages, 1819-1826;
              14 May 1828. (W0344)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">10.15</container>
            <unittitle>Acetate of copper, 2 pages, 2 October 1817. (W0339)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">10.16</container>
            <unittitle>Anhydrite: muriaeite, anhydrous gypsum, anhydrous sulphate of lime, 2 pages,
              3 April 1820 and 24 December 1827. (W0282)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">10.17</container>
            <unittitle>Apophyllite, 33 pages, 24 July 1819-1 April 1821. (W0327)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">10.18</container>
            <unittitle>Aragonite. Optical, 1 page, 29 May and 13 April 1819. (W0281)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">10.19</container>
            <unittitle>Axinite, 1 page, 20 March 1820. (W0283)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">10.20</container>
            <unittitle>Beril, 4 pages, 19 April 1819. (W0284)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">10.21</container>
            <unittitle>Bicarbonate of ammonia and carbonate of ammonia, 2 pages, 11 March 1820.
              (W0285)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">10.22</container>
            <unittitle>Borate of lead, 1 page, 5 February 1820. (W0286)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">10.23</container>
            <unittitle>Borax, 4 pages, 13 August 1819 and 5 June 1830. (W0309)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">10.24</container>
            <unittitle>Camphor, 3 pages, 13-14 January 1819 and 9 March 1821. (W0311)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">10.25</container>
            <unittitle>Carbonate of lead, 5 pages, April-24 May 1862. (W0334)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">10.28</container>
            <unittitle>Carbonate of lime, 2 pages, 28 August 1819 and 25 December 1827. On verso:
              Iceland spar. (W0312)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">10.26</container>
            <unittitle>Carbonate of soda, 1 page, 16 August and 9 October 1819. (W0313)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">10.27</container>
            <unittitle>Comptonite, 1 page, November 1819. (W0314)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">10.29</container>
            <unittitle>Dichroite, 1 page, November 1819. (W0331)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">10.30</container>
            <unittitle>Diffraction, 6 pages, 11 July 1819. (W0295)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">10.31</container>
            <unittitle>The effect of the system of undulation..., 5 pages, circa 1822.
              (W0354)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">10.32</container>
            <unittitle>Epidote, 2 pages, 28 November 1819. (W0317)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">10.33</container>
            <unittitle>Examination of the fringes seen when a prism is laid down on a reflecting
              surface, 8 pages, 28-29 June 1819. (W0348)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">10.34</container>
            <unittitle>Glass, 4 pages, 21 June and 19 July 1822. (W0315)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">10.35</container>
            <unittitle>Green sulphate of iron, 1 page, 2 (sic, 4) January 1820. (W0308)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">10.36</container>
            <unittitle>Heulandite, 1 page, 6 March 1820. (W0307)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">10.37</container>
            <unittitle>Horn, 1 page, 28 May 1819. (W0346)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">10.38</container>
            <unittitle>Hydrate of strontia, 1 page, 30 March, 2 April, 1 July 1820.
              (W0306)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">10.39</container>
            <unittitle>Hypersthene, 2 pages, 26 December 1824. (W0305)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">10.40</container>
            <unittitle>Hyposulphate of lime, 8 pages, 24 January-19 February 1820.
              (W0304)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">10.41</container>
            <unittitle>Hyposulphite of potash and mercury, 2 pages, 1 November 1819.
              (W0303)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">10.42</container>
            <unittitle>Hyposulphite of strontia, 1 page, 25 February 1820. (W0302)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">10.43</container>
            <unittitle>Ice, 1 page, 24 November 1819. (W0301)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">10.44</container>
            <unittitle>Instruments and methods of observation, 3 pages, 6 March 1820.
              (W0325)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">10.45</container>
            <unittitle>Kyanite, 1 page, 21 January 1820. (W0324)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">10.46</container>
            <unittitle>Labrador spar, 3 pages, 23 December 1824. (W0323)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">10.47</container>
            <unittitle>Lectures on optics, 44 pages bound, 1847. In the hand of Isabella Herschel.
              (MW0068)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">10.48</container>
            <unittitle>Light, 8 printed pages bound, 12 December 1827. (W0354)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">10.49</container>
            <unittitle>Marled borax, 2 pages, undated. (W0333)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">10.50</container>
            <unittitle>Measures of angles of crystals, 4 pages, 27 October 1856. (W0347)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">10.51</container>
            <unittitle>Measures taken with sphaerometer (zero adjusted) and description of the
              plates measured, 4 pages, 9-19 April 1819. (W0330)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">10.52</container>
            <unittitle>Mica, 9 pages, 13 August-21 November 1819 and 9 March 1820.
              (W0290)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">10.53</container>
            <unittitle>Mica, 2 leaves, circa 1820. (W0293)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">10.54</container>
            <unittitle>Muriate of palladium and soda, 3 pages, undated. (W0289)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">10.55</container>
            <unittitle>Naphthaline, 2 pages, undated. (W0292)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">11.1</container>
            <unittitle>Nepheline, 1 page, 12 February 1820. (W0291)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">11.3</container>
            <unittitle>Nitrate of bismuth, 1 page, 8 July 1820. (W0288)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">11.4</container>
            <unittitle>Nitrated mercury, 1 page, 7-8 January 1820. (W0287)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">11.2</container>
            <unittitle>Nitre, 19 pages, 6 August-1 September 1819. (W0338)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">11.5</container>
            <unittitle>On aberrations of lenses and object glasses (draft), 35 pages bound, 1821.
              (W0340)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">11.6</container>
            <unittitle>On certain inversions of structure in natural and artificial crystals, 5
              pages, undated. (W0329)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">11.7</container>
            <unittitle>On certain optical phenomena exhibited by mother of pearl and dependent on
              its internal structure, 15 pages, circa 1820. (W0350)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">11.8</container>
            <unittitle>On the conditions of achromatic refraction in the common axis of any system
              of lenses of negligible thickness, 4 pages, undated. (W0349)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">11.9</container>
            <unittitle>On the fringes seen in interrupted Iceland spar, noticed by Brewster, 9
              pages, 29-30 June 1819. (W0328)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">11.10</container>
            <unittitle>On a remarkable peculiarity in the law of the extraordinary refraction of
              differently-coloured rays exhibited by certain varieties of apophyllite, 10 pages,
              undated. (W0326)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">11.11</container>
            <unittitle>Optical experiments: mother of pearl, 4 pages, 9-10 July 1819.
              (W0345)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">11.12</container>
            <unittitle>Optical gleanings, 30 pages, 1821-1822. (W0354)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">11.13</container>
            <unittitle>Optical gleanings: some facts respecting vision, 4 pages, undated.
              (MW0074)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">11.14</container>
            <unittitle>Optical manuscripts, 56 pages, undated. On verso: correspondence.
              (W0354)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">11.15</container>
            <unittitle>Optical phenomenon, 2 pages, 26 November 1856. (W0336)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">11.16</container>
            <unittitle>Optical phenomenon: halos, 24 pages, 14 June 1841. (W0351)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">11.17</container>
            <unittitle>Optical problems, 12 pages, 21-28 September 1819. (W0353)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">11.18</container>
            <unittitle>Optics, 1 page, 7 September 1841. (W0343)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">11.19</container>
            <unittitle>Polarization of light by reflexion, 3 pages, 20 September 1820 and 20 August
              1861. (W0342)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">11.20</container>
            <unittitle>Quartz - rock crystal, 16 pages, 1820-1827 and undated. On verso:
              correspondence. (W0337)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">11.21</container>
            <unittitle>Refractive indices, 3 pages, 28 December 1828. (W0335)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">11.22</container>
            <unittitle>Report on Mr. Stokes's paper, 7 pages, undated. (MW0073)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">11.23</container>
            <unittitle>Rochelle salt, tartrate of potash and soda, 35 pages, 12 August-25 November
              1819. (W0300)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">11.25</container>
            <unittitle>Six optical experiments, 2 pages, undated. On verso: watercolor painting.
              (W0354)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">11.24</container>
            <unittitle>Spinelle - Ruby, 1 page, November 1819. (W0294)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">11.26</container>
            <unittitle>Sub-oxy-sulphate of iron, 1 page, undated. (W0296)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">11.27</container>
            <unittitle>Sugar, 3 pages, 13 August 1819 and 3 March 1821. (W0299)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">11.28</container>
            <unittitle>Sulphate of baryta, 17 pages, 13 August-14 September 1819 and 6 March 1820.
              (W0297)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">11.29</container>
            <unittitle>Sulphate of magnesia, 2 pages, 26 April 1819. (W0298)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">11.30</container>
            <unittitle>Sulphate of soda, 1 page, 19-20 August 1819. (W0316)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">11.31</container>
            <unittitle>Sulphate of zinc, 1 page, 18 July 1826. (W0322)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">11.32</container>
            <unittitle>Talc, 1 page, 6 March 1820. (W0318)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">11.33</container>
            <unittitle>Topaz, optical, 9 pages, 30 May-3 June 1819; August 1819 and 20 February
              1820. (W0320-W0321)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">11.34</container>
            <unittitle>Tourmaline, 22 pages, 8 April-November 1819 and 24 December 1827.
              (W0319)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">11.35</container>
            <unittitle>Vesuvian, 4 pages, 6 February 1820 and 13 November 1827. (W0310)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle> </unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle>
              <emph render="bold">Physics:</emph>
            </unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">11.36</container>
            <unittitle>Acoustics, 2 pages, undated. (MW0075)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">11.37</container>
            <unittitle>Addendum to the note (1) at the end of the paper On the origin of force, 1
              leaf, undated. (MW0084)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">11.38</container>
            <unittitle>Apparatus, 6 leaves, undated. (MW0076)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">11.39</container>
            <unittitle>Capillary attraction, 10 pages, 17 March 1820. (MW0077)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">11.40</container>
            <unittitle>Computation of the sines of experiments on capillary attraction, 3 pages,
              undated. (MW0078)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">11.41</container>
            <unittitle>Experiments on elasticity of springs, 1 page, 13 December 1832.
              (MW0080)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">11.42</container>
            <unittitle>Experiments with Prince Rupert's drops, 1 page, undated. (MW0079)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">11.43</container>
            <unittitle>Explanation of a flash of lightning taken down from memory (lectures to his
              children), 1 leaf, undated. In the hand of Isabella Herschel. (MW0081)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">11.44</container>
            <unittitle>Extracts from Gilbert's physik, 4 pages, 6 October 1824. (MW0113)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">11.45</container>
            <unittitle>Great physical theories... (draft), 2 pages, 1840 or later. On verso: notes.
              (MW0042)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">11.46</container>
            <unittitle>Memoranda, data, etc. from Biot's Traité de physique, 27 pages, 1816 or
              later. (MW0082)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">11.47</container>
            <unittitle>On musical sounds produced during the vaporization and condensation of water,
              and on subterranean sounds periodically heard in certain situations, 7 pages, undated.
              (MW0083)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">11.48</container>
            <unittitle>Problem: What does the atmosphere weigh?, 1 page, 1856 or later. On verso:
              correspondence fragment. (MW0085)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">11.49</container>
            <unittitle>Purely kinematical relations in the theory of the rotation bodies about axis,
              7 pages, 21 September 1860. (W0222)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">11.50</container>
            <unittitle>Specific gravity: Apparatus, 1 page, 22 September 1835. (MW0086)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">11.51</container>
            <unittitle>To reduce the observation in declination, 2 pages, undated.
              (MW0087)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle> </unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle>
              <emph render="bold">Poetry:</emph>
            </unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">12.1</container>
            <unittitle>Dante. Divine Comedy, introduction (drafts 1 and 2), 6 pages, circa 1867. On
              verso: correspondence. (W0253-W0254)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">12.2</container>
            <unittitle>Dante. Inferno. Canto I (drafts 1 and 2), 12 pages, circa 1865-1867. On
              verso: correspondence. (W0255-W0256)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">12.3</container>
            <unittitle>Homer. Iliad, Book I and II in English hexameter (draft and proof), 19 pages,
              circa 1862. (W0257-W0258)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">12.4</container>
            <unittitle>Poem: Sweet are the joys of life..., 10 pages, 11 October 1811.
              (W0252)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">12.5</container>
            <unittitle>Poetical pieces, 68 pages bound, undated. (W0250)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">12.6</container>
            <unittitle>Prologue to a performance of private theatricals at Collingwood, 1 page,
              December 1855. (MW0136)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">12.7</container>
            <unittitle>Schiller. Spaziergang, translated into Latin verse, 24 printed pages bound, 3
              pamphlets, 15 April 1867. (W0249)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">12.8</container>
            <unittitle>Stanzas on the breaking up of the British Association at Newcastle upon Tyne,
              25 August 1838, typescript copy, 6 pages, undated. (W0251)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">12.9</container>
            <unittitle>Thoughts on a word - Intelligence (poem), typescript copy, 1 page, undated.
              (MW0147)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle> </unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle>
              <emph render="bold">Royal Mint:</emph>
            </unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">12.10</container>
            <unittitle>Answers to Lord Overstone's queries on the Decimal Coinage, vol. I, 48 pages
              bound, 16 June 1857. (W0989)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">12.11</container>
            <unittitle>Answers to Lord Overstone's queries on the Decimal Coinage, vol. II, 36 pages
              bound, 16 June 1857. (W0990)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">12.12</container>
            <unittitle>Answers to Lord Overstone's questions, 26 printed pages, 15 June 1857.
              (W0991)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">12.13</container>
            <unittitle>A bill to establish the metric system of weights and measures, 11 printed
              pages, 24 February 1868. (W0992)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">12.14</container>
            <unittitle>Brief summary of the relations of our actual Imperial units..., 4 pages,
              circa 1850-1855. (W0993)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">12.15</container>
            <unittitle>Copy of my certificate, 1 page, undated. (MW0106)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">12.16</container>
            <unittitle>Cost of coinage: comparison with moneyers cost, 9 pages, after 1854.
              (W0968)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">12.17</container>
            <unittitle>Diary: Royal Mint, 31 pages bound, 3 August-17 October 1853.
              (W1005)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">12.18</container>
            <unittitle>Draft of a report to the Treasury on the assayer's compensation, 9 leaves,
              July 1851. (W1014)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">12.19</container>
            <unittitle>Extracts and notes re: gold coinage from the London Times, 87 pages, 7
              August-16 September 1869. On verso: correspondence. (MW0056)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">12.20</container>
            <unittitle>Florin circular, 14 pages, circa 1854. (W0963b)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">12.21</container>
            <unittitle>Gold: abstract of comparisons between the reports of assays by the Mint and
              Professor Graham's, 15 pages bound, circa 1852-1854. (W0995)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">12.23</container>
            <unittitle>Gold: synopses of the results of assays of pots passed into work, 31 pages
              bound, circa 1851-1854. (W0996)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">12.22</container>
            <unittitle>Gold and silver coins (tables, 2 pages, 1853 or later. (W1026)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">12.24</container>
            <unittitle>Gratuities, 8 pages, September 1854. (W0965)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">12.25</container>
            <unittitle>Half a dozen propositions respecting the gold coinage (drafts and proofs), 10
              pages, circa 1870. (MW0057 and W0997)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">12.26</container>
            <unittitle>I certify that the assay pieces herewith enclosed..., 3 pages, 28 July 1854.
              (W0987)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">12.27</container>
            <unittitle>In conference with Mr. Rich regarding moneyers, 12 pages, May 1851.
              (W0981)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">12.28</container>
            <unittitle>In re Board of Public Examinations, 3 pages, February 1854.
              (W0963a)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">12.29</container>
            <unittitle>In re Canadian coinage and currency, 58 pages, 23 May 1852. On verso:
              correspondence. (W0963c)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">12.30</container>
            <unittitle>In re Mr. Goodwin's application, 3 pages, circa 1854. (W0980d)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">12.31</container>
            <unittitle>Iridium, 35 pages, 1854. (W0966)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">12.32</container>
            <unittitle>Memoranda, 10 pages, 21 December 1853-18 May 1854. (W0984)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">12.34</container>
            <unittitle>Memorandum of certain particulars to be attended to in keeping the books of
              the counting department, 4 pages, 5 December 1854. (W0988)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">12.33</container>
            <unittitle>Memorandum of conference, 2 leaves, 17 May 1851. Presented by Mr. Rich and
              Sir John Herschel. (W0999)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">12.35</container>
            <unittitle>Memorandum relative to the Australian mints, 17 pages, circa 1850-1855.
              (W1000)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">13.1</container>
            <unittitle>Mint accounts, 10 pages, 1 April 1853-31 March 1854. (W0967)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">13.2</container>
            <unittitle>Mint agenda, 40 pages bound, circa 1850-1855. (W1001)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">13.3</container>
            <unittitle>Mint agenda and notes, 18 pages bound, circa 1850-1855. (W1002)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">13.4</container>
            <unittitle>Mint agenda lists, 4 pages, 1853-1854. Original envelope included.
              (W0972b)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle> </unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle>Mint papers:</unittitle>
          </did>
          <c03>
            <did>
              <container type="Container">13.5</container>
              <unittitle>Coinage and currency (draft letters), 42 pages, circa 1865-1870. On verso:
                correspondence. (W0971)</unittitle>
            </did>
          </c03>
          <c03>
            <did>
              <container type="Container">13.6</container>
              <unittitle>Extracts, reports and other records, 50 pages, circa 1850-1855.
                (W0978)</unittitle>
            </did>
          </c03>
          <c03>
            <did>
              <container type="Container">13.7</container>
              <unittitle>Gold and silver currency, exchange rates, pyx trial, Mint agendas, and
                daily memoranda (draft notes and extracts on) 143 pages and 1 chart, circa
                1851-1854. On verso: correspondence. (W0972) </unittitle>
            </did>
          </c03>
          <c03>
            <did>
              <container type="Container">13.8</container>
              <unittitle>Miscellaneous material, 52 pages, 22 December 1849-16 December 1850.
                (W0969)</unittitle>
            </did>
          </c03>
          <c03>
            <did>
              <container type="Container">13.9</container>
              <unittitle>Moneyers and coinage (notes and memoranda), 38 pages, 25 November 1843; 3
                June 1851; 3 April 1857. On verso: correspondence. (W0977)</unittitle>
            </did>
          </c03>
          <c03>
            <did>
              <container type="Container">13.10</container>
              <unittitle>Problems, 40 pages, 15 May 1847 and circa 1851-1855. On verso:
                correspondence. (W1003)</unittitle>
            </did>
          </c03>
          <c03>
            <did>
              <container type="Container">13.11</container>
              <unittitle>Unidentified material, 56 pages, circa 1848-1853. (W0980a)</unittitle>
            </did>
          </c03>
          <c03>
            <did>
              <container type="Container">13.12</container>
              <unittitle>Unidentified material, 11 pages, 1850-1867. (W0973-W0974)</unittitle>
            </did>
          </c03>
          <c03>
            <did>
              <container type="Container">13.13</container>
              <unittitle>Unidentified notes, 7 pages, circa 1832-1864. (W0985)</unittitle>
            </did>
          </c03>
        </c02>
        <c02>
          <did>
            <container type="Container">13.14</container>
            <unittitle>Notata for the Pistrucci coin, 8 pages, circa 1849. (W1004)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">13.15</container>
            <unittitle>Note relative to the pyx trial, 2 pages, 20 June 1854. (W0986)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">13.16</container>
            <unittitle>Notes of a conference with H and W, 1 page, 12 December 1850.
              (W1006)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">13.17</container>
            <unittitle>Old drafts of circular in relation to the Irish copper circulation and the
              reports on the replies to it, 20 pages, circa 1852. (W0964)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">27.8</container>
            <unittitle>On Indian coinage, 11 pages, 5 September 1864. On verso: correspondence.
              (W0970)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">13.18</container>
            <unittitle>Pay of the men in the coining department, 2 pages, 1853. (W1007)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">13.19</container>
            <unittitle>Petition of the council of the British branch of the International
              Association (printed with manuscript copy), 12 pages, 25 February 1863 and circa
              1866-1867. On verso: correspondence. (W1008)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">13.20</container>
            <unittitle>Proposal made to Mr. Wyon and things objected to by him, 4 pages, 12 and 28
              December 1850. (W1009)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">13.21</container>
            <unittitle>Proposed new standards for India, 1 page, circa 1850-1855.
              (W1010)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">13.22</container>
            <unittitle>Proposed salaries for the offices, 4 pages, 1851. (W0980c)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">13.23</container>
            <unittitle>Propositions entertained for the moneyers compensation, 2 pages, circa 1849.
              (W0994)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">13.24</container>
            <unittitle>Queries by Sir John Herschel and answers to the same, 6 pages, circa
              1850-1855. (W1011)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">13.25</container>
            <unittitle>Remarks on the extract of a letter..., 3 pages, 11 December 1854.
              (W1012)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">13.26</container>
            <unittitle>Replies to Lord Overton's queries, 12 pages, circa 1850-1855.
              (W1013)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">43.3</container>
            <unittitle>Report of persons admitted to, or passed out of the Royal Mint, by the
              police…, 1 page, 22-23 February 1855. (M1193)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">13.27</container>
            <unittitle>Rough comparison of the expenses of coinage from January 1, 1852 to June 30,
              1854 with those under the former system of the Mint, 1 page, 1854. (W1015)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">13.28</container>
            <unittitle>Rules for passing into work or dealing with gold, 7 pages, May 1852.
              (W1016)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">13.29</container>
            <unittitle>Salaries payable for the quarter ending the 30th June 1852, 1 page, 30 June
              1852. (W1017)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">13.30</container>
            <unittitle>Schedule of contract for coinage, gold, silver, and copper money, for the
              Master of the Mint, at the Royal Mint, London, 5 printed pages, undated.
              (W0975a)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">13.31</container>
            <unittitle>Seigniorage on gold coin (rough draft), 8 pages, circa 1850-1855.
              (W0998)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">13.32</container>
            <unittitle>Sketch of draft order in council..., 2 pages, 3 August 1854.
              (W0983)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">13.33</container>
            <unittitle>Sketch of Queen's proclamation, order of council, instructions, and other
              notanda, 14 pages, 1853-1854. (W0980b)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">14.1</container>
            <unittitle>Statistics of the Mint Department, 3 pages, 1853. (W1018)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">14.2</container>
            <unittitle>Synopsis for gross apparent waste, 3 pages, 1852-1854. (W0975b)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">14.3</container>
            <unittitle>Synopsis of gold pyxes, 31 pages bound, 27 November 1851-16 June 1853.
              (W1020)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">14.4</container>
            <unittitle>Synopsis of gold scissel pots melted, 33 pages bound, 28 November 1851-10
              February 1854. (W1019)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">14.5</container>
            <unittitle>Synopsis of pots passed into work, 20 pages bound, 28 November 1851-7
              September 1852. (W1021)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">14.6</container>
            <unittitle>Synopsis of proportional parts into which one million ounces of gold and
              silver has resolved itself in the operation of coining in the interval, 1 page, circa
              1854. On verso: correspondence. (L0613)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">14.7</container>
            <unittitle>Synopsis of the results of assays of original ingot pots, 20 pages bound, 3
              December 1851-2 June 1854. (W1025)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">14.8</container>
            <unittitle>Synopsis of the results of assays of pyxed gold coin from November 27 1851,
              22 pages bound, 27 November 1851-15 June 1854. (W1024)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">14.9</container>
            <unittitle>Synopsis of silver pots passed into work, 16 pages bound, 1851-1854.
              (W1022)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">14.10</container>
            <unittitle>Synopsis of silver pyxes, 7 pages bound, 8 September 1851-1854.
              (W1023)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">14.11</container>
            <unittitle>Tables for the conversion of the report of assays of silver, 5 pages, circa
              1850-1855. (W1027)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">46.1</container>
            <unittitle>Two card trays and sealing wax ring related to Royal Mint assay operations,
              circa 1851-1855, with original label and note, 27 February 1893. (W0976)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">14.12</container>
            <unittitle>Worth no more than shoe leather... (extracts), 1 page, 1867 or later.
              (MW0151)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle> </unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle>
              <emph render="bold">Spectral analysis:</emph>
            </unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">14.13</container>
            <unittitle>Colours of flowers and paper, 13 pages, 22 May 1820, August 1829, 15-18
              October 1855, 5 April 1858 or later. (W0362)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">14.14</container>
            <unittitle>Flames, 1 page, undated. (W0361)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">14.15</container>
            <unittitle>Ocular spectra, 3 pages, 7 May 1855. (W0360)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">14.16</container>
            <unittitle>On color perception and experimental notes, 7 pages, 1832. Includes notes in
              unidentified hand. On verso: fragment of writing in Caroline Herschel's hand.
              (M1154)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">14.17</container>
            <unittitle>Queries sent to Mr. May to be forwarded to individuals who have an imperfect
              perception of colour, 12 pages, undated. (MW0072)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle> </unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle>
              <emph render="bold">Standards Commission:</emph>
            </unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">14.18</container>
            <unittitle>Minutes of the meetings of the Standards Commission, 216 pages, 1838-1854.
              (W0366)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">14.19</container>
            <unittitle>Queries to be proposed to Chamber of Commerce by the Weight and Measure
              Commission (rough draft), 3 pages, undated. (MW0090)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">14.20</container>
            <unittitle>Report of the Commissioners, 24 pages bound, 20 June 1843 and 28 March 1854.
              (W0364)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">14.21</container>
            <unittitle>Standards Commission: copy of treasury minutes (print and manuscript), 24
              pages bound, 20 June 1843. (W0365)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">14.22</container>
            <unittitle>Standards Commission: miscellaneous materials, 37 pages, circa 1840. Includes
              extract from the Times, London copied in an unidentified hand, 1843. (W0367, MW0089,
              M1178, L0753b )</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">14.23</container>
            <unittitle>Standards Commission report (print and manuscript drafts), 57 pages bound, 11
              February-21 December 1841. (W0363)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">14.24</container>
            <unittitle>System of weights and measures: notes and calculations, 21 pages, circa
              1859-1866. On verso: correspondence. (MW0127, W0979, L0753a)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle> </unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle>
              <emph render="bold">Terrestrial magnetism:</emph>
            </unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">14.25</container>
            <unittitle>Abstract from Sabine to the Dean of Ely on the circular and queries, 1 page,
              12-17 September 1844. (MW0141)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">14.26</container>
            <unittitle>Committee circular, 15 pages, circa 11 September 1844. (W0372)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">14.28</container>
            <unittitle>Excerpts from correspondence with Sabine, 2 pages, circa 1840.
              (MW0139)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">14.29</container>
            <unittitle>The Kew Observatory, 1 page, circa 1846. (MW0109)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">14.30</container>
            <unittitle>Magnetic survey stations, 1 page, 1857 or later. (MW0102)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">14.27</container>
            <unittitle>Magnetism Committee report (partial draft), 3 pages, 1844.
              (W0371)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">14.31</container>
            <unittitle>Memoranda of Magnetism Committee, 1 leaf, 8 November 1844.
              (W0377)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">14.32</container>
            <unittitle>Notes from Halley's papers, 2 pages, undated. (MW0006)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">14.33</container>
            <unittitle>Notes for Magnetic report, 2 pages, 3 March 1844. On verso: correspondence.
              (W0368)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">14.34</container>
            <unittitle>Notes for magnetism, 3 pages, circa 14 November 1837. (W0376)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">14.35</container>
            <unittitle>Notes of Sabine's paper on lunar diurnal, 2 pages, 19 December 1860.
              (MW0007)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">14.36</container>
            <unittitle>Notes on terrestrial magnetism, 28 pages, circa 1840-1861.
              (W0378)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">14.37</container>
            <unittitle>Printed report of the Terrestrial Magnetism Committee with handwritten
              corrections, 3 pages, circa 1842. (W0374)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">14.38</container>
            <unittitle>Printed unconfirmed minutes, 7 pages, 22 December 1838. (W0375)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">14.39</container>
            <unittitle>Proposed plan for the publication of the returns from the Ordinance Magnetic
              Observations, 4 pages, 1841. Copied in unidentified hand. (M1172)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">14.40</container>
            <unittitle>Report of the Terrestrial Magnetism Committee, 3 leaves, 1840. Copied in Lady
              Margaret Herschel's hand. (W0380)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">14.41</container>
            <unittitle>Report of Terrestrial Magnetism Committee (with printed copy), 9 pages, 1841.
              (W0373)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">14.42</container>
            <unittitle>Resolutions of the Magnetic Committee for the Committee of Recommendations, 6
              pages, undated. (W0369)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">14.43</container>
            <unittitle>Resolutions passed at the meeting of the British Association of the
              Advancement of Science held at Newcastle upon Tyne, 3 pages, 25 August 1838. Copied in
              unidentified hand. (W0370)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle> </unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle>
              <emph render="bold">Universities and education:</emph>
            </unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">15.1</container>
            <unittitle>Abridgement of terms: notes, 4 pages, 1872 or later. (W0387)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">15.2</container>
            <unittitle>College libraries (printed documents), 2 pages, 1851. Includes annotations in
              JFWH's hand. (M1185)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">15.3</container>
            <unittitle>Examinations and salaries: notes, 11 pages, circa 1870s. (W0383)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">15.4</container>
            <unittitle>Expenses: notes, 9 pages, circa 1870s. (W0382)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">15.5</container>
            <unittitle>Oxoniensis. Letter in Times of 12 June 1850, 1 page, circa 1850.
              (MW0120)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">15.6</container>
            <unittitle>Private tuition: notes, 5 pages, circa 1870s. (W0385)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">15.7</container>
            <unittitle>Professorships: notes, 3 pages, circa 1870s. (W0381)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">15.8</container>
            <unittitle>State: notes, 5 pages, circa 1870s. (W0384)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">15.9</container>
            <unittitle>Studies: notes, 5 pages, circa 1870s. (W0386)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">15.10</container>
            <unittitle>Synopsis of grants of money (printed report), 4 pages, June 1845.
              (M1183)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle> </unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle>
              <emph render="bold">Miscellaneous writings, notes, and drawings:</emph>
            </unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">15.11</container>
            <unittitle>Abstract of Sheepshanks, 2 pages, undated. On verso: draft correspondence.
              (MW0100)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">15.12</container>
            <unittitle>Card tricks, codes, and ciphers, 106 items, 1840s-1860s. (MW0101, MW0104,
              MW0107-MW0108 and M1161)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">15.13</container>
            <unittitle>Enclosure A in my letter to Sir R. Murchison, 5 pages, undated.
              (MW0128)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">15.14</container>
            <unittitle>Errata to be corrected, 23 items, circa 1823-1840 and 1855.
              (MW0111)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">15.15</container>
            <unittitle>February 1820 sketch by Sir George Grey (copied by JFWH), 2 pages, 1830 or
              later. (M1192)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">15.16</container>
            <unittitle>Greek and Armenian churches in 1677 or thereabouts. Rykaut (excerpts), 2
              pages, undated. (M1148)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">15.17</container>
            <unittitle>Greenwich Observatory, 13 pages, 19 and 21 January 1831, undated. (MW0044,
              MW0117, MW0118, MW0122, MW0140, and MW0150) </unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">15.18</container>
            <unittitle>Herschel's plan for bed at sea, 1 page diagram, undated. (MW0119)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">15.19</container>
            <unittitle>The late Dr Whewell, newspaper clipping, 2 pages, circa 1866.
              (MW0003b)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">15.20</container>
            <unittitle>Materials relating to a marriage bill (with drafts and printed copies), 81
              pages, 12 April 1849-5 April 1850. Included: correspondence.
              (MW0024-MW0032)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">15.21</container>
            <unittitle>Minutes; miscellaneous notes, 17 pages, undated. One set in hand of JWFH, the
              other in an unidentified hand. (MW0126)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">15.22</container>
            <unittitle>Miscellaneous scientific problems, 220 pages, 16 February 1853-26 November
              1870. On verso: correspondence. (W0209, MW0048)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">15.23</container>
            <unittitle>Note re: Cape observatory dome, 1 page, 7 January 1848. (W0352)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">15.24</container>
            <unittitle>Notes of Peacock's reply to Sabine, 1 leaf, 13 September 1844.
              (MW0134)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">15.25</container>
            <unittitle>Notes re: Mrs. Somerville's autobiography for letter to her, 11 items, 18
              March 1869. (MW0130)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">15.26</container>
            <unittitle>On the geysers of Iceland, 2 pages, undated. (MW0060)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">15.27</container>
            <unittitle>On the history of earthquakes and volcanoes, 8 page offprint bound, undated.
              (MW0061)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">15.28</container>
            <unittitle>Oneiropoietica, 5 pages, 1856-20 April 1860. 10 page copy in unidentified
              hand, 19 January 1868. (MW0133)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">15.29</container>
            <unittitle>Profiles taken with the camera lucida, 8 pages, circa 1827-1828.
              (MW0135)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">15.30</container>
            <unittitle>Proposed minutes, 1 page, circa 1849. (MW0137)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">15.31</container>
            <unittitle>Rats, 2 pages, circa 1822. (MW0138)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">15.32</container>
            <unittitle>Recipes, processes, and prescriptions, 50 pages, circa 1826-1856. On verso:
              correspondence. (W0177)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">15.33</container>
            <unittitle>Scientific notes and observations, 22 pages bound and 10 loose pages,
              1855-1856, 1874. In the hand of Isabella Herschel. (MW0003)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">15.34</container>
            <unittitle>Scientific projects, ideas for inventions, and various apparatuses (original
              sketches), 68 pages, 1824-1851. Original folder included. (MW0142)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">15.35</container>
            <unittitle>Unidentified calculations, 1 page, undated. (W0140)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">15.36</container>
            <unittitle>Unidentified notes, 1 page, circa 1843. (MW0144)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">15.37</container>
            <unittitle>Weights and scales: micrometer by name, 2 leaves, 1820. (MW0088)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">15.38</container>
            <unittitle>The yard, the pendulum and the meter (draft), 3 pages, 1863.
              (L0601-L0603)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle> </unittitle>
          </did>
        </c02>
        <c02 level="subseries">
          <did>
            <unittitle>
              <emph render="bold">Subseries B. Personal Records, </emph>
              <unitdate era="ce" calendar="gregorian" type="inclusive">
                <emph render="bold">1809-1871</emph>
              </unitdate>
            </unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle> </unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle>
              <emph render="bold">Account books:</emph>
            </unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">16.1</container>
            <unittitle>88 pages bound, 1 April 1823-30 July 1825. (M0888)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">16.2</container>
            <unittitle>64 pages bound, 1 January 1824-16 August 1828. (M0889)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">16.3</container>
            <unittitle>12 pages bound, 23 February-20 October 1829. (M0890)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">16.4</container>
            <unittitle>12 pages bound, 21 October 1830-5 November 1831. (M0891)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">16.5</container>
            <unittitle>156 pages bound, 1 January-10 December 1852. (M0893)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">16.6</container>
            <unittitle>148 pages bound, 3 January-31 December 1853. (M0894)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle> </unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle>
              <emph render="bold">Diaries:</emph>
            </unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">16.7</container>
            <unittitle>57 pages bound, 1 January-31 December 1820. (W0002)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">16.8</container>
            <unittitle>70 pages bound, 1 January-27 December 1821. (W0003)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">16.9</container>
            <unittitle>70 pages bound, 16 January-31 December 1822. (W0004)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">16.10</container>
            <unittitle>68 pages bound, 1 January-30 December 1823. (W0005)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">16.11</container>
            <unittitle>68 pages bound, 1 January-31 December 1824. (W0006)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">16.12</container>
            <unittitle>68 pages bound, 1 January-31 December 1825. (W0007)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">16.13</container>
            <unittitle>76 pages (estimated) bound, 1 January-23 December 1826. (W0008)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">16.14</container>
            <unittitle>66 pages bound, 9 January-28 December 1827. (W0009)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">16.15</container>
            <unittitle>68 pages bound, 2 January-29 December 1828. (W0010)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">16.16</container>
            <unittitle>68 pages bound, 1 January-28 December 1829. (W0011)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">16.17</container>
            <unittitle>70 pages bound, 7 January-22 December 1830. (W0012)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">17.1</container>
            <unittitle>175 pages bound, 19 January-December 1831. (W0014)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">17.2</container>
            <unittitle>140 pages bound, 6 January-20 December 1832. (W0015)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">17.3</container>
            <unittitle>243 pages bound, 3 January-27 December 1833. (W0016)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">17.4</container>
            <unittitle>340 pages bound, 1 January-25 December 1834. (W0017)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">17.5</container>
            <unittitle>430 pages bound, 1 January-28 December 1835. (W0018)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">17.6</container>
            <unittitle>385 pages bound, 4 January-31 December 1836. (W0019)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">17.7</container>
            <unittitle>80 pages bound, 1 January-17 February 1837; 308 pages bound, 20 August-28
              December 1837 (W0020)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">17.8</container>
            <unittitle>342 pages bound, 31 January-31 December 1838. (W0021)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">18.1</container>
            <unittitle>234 pages bound, 12 March-14 May 1838. Notes during voyage from Cape.
              (MW0093)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">18.2</container>
            <unittitle>473 pages bound, 8 January-17 December 1839. (W0022)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">18.7</container>
            <unittitle>3 pages, 8 January-17 December 1839. Typescript extracts. (W0022)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">18.8</container>
            <unittitle>86 pages, 1829-1839. Notes and excerpts from JFWH's diaries. Copied by Louisa
              Hamilton Gordon, 1910. (W0013)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">18.3</container>
            <unittitle>380 pages bound, 9 January-19 December 1840. (W0023)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">18.4</container>
            <unittitle>368 pages bound, 3 January-28 December 1841. (W0024)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">18.5</container>
            <unittitle>380 pages bound, 25 January-19 December 1842. (W0025)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">18.6</container>
            <unittitle>440 pages bound, 1 January-9 December 1843. (W0026)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">19.1</container>
            <unittitle>256 pages bound, 1 January-24 December 1844. (W0027)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">19.2</container>
            <unittitle>212 pages bound, 1 January-31 December 1845. (W0028)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">19.3</container>
            <unittitle>252 pages bound, 10 January-31 December 1846. (W0029)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">19.4</container>
            <unittitle>232 pages bound, 1 January-20 December 1847. (W0030)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">19.5</container>
            <unittitle>310 pages bound, 1 January-24 December 1848. (W0031)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">19.6</container>
            <unittitle>260 pages bound, 2 February-30 December 1849. (W0032)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">19.7</container>
            <unittitle>262 pages bound, 1 January-28 December 1850. (W0033)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">19.8</container>
            <unittitle>304 pages bound, 1 January-21 December 1851. (W0034)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">19.9</container>
            <unittitle>262 pages bound, 1 January-15 December 1852. (W0035)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">19.10</container>
            <unittitle>304 pages bound, 1 January-31 December 1853. (W0036)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">19.11</container>
            <unittitle>292 pages bound, 1 January-20 December 1854. (W0037)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">19.12</container>
            <unittitle>292 pages bound, 2 January-22 December 1855. (W0038)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">19.13</container>
            <unittitle>156 pages bound, 2 January-19 December 1857. (W0039)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">20.1</container>
            <unittitle>292 pages bound, 4 January-25 December 1858. (W0040)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">20.2</container>
            <unittitle>7 pages, 28 January-20 November 1859. Diary notes. (W0041)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">20.3</container>
            <unittitle>144 pages bound, 14 January-31 December 1860. (W0041a)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">20.4</container>
            <unittitle>272 pages bound, 11 August-17 December 1861. Originally used from 29 March-10
              April 1837, then reused for 1861. (W0042)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">20.5</container>
            <unittitle>188 pages bound, 1 January-31 December 1863. (W0043)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">20.6</container>
            <unittitle>189 pages bound, 4 January-30 December 1864. (W0044)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">20.7</container>
            <unittitle>188 pages bound, 1 January 1865-2 January 1866. (W0045)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">20.8</container>
            <unittitle>188 pages bound, 5 January-25 December 1866. (W0046)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">20.9</container>
            <unittitle>252 pages bound, 2 January-28 December 1867. (W0047)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">20.10</container>
            <unittitle>248 pages bound, 1 January-31 December 1868. (W0048)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">20.11</container>
            <unittitle>274 pages bound, 1 January-31 December 1869. (W0049)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">20.12</container>
            <unittitle>256 pages bound, 1 January-31 December 1870. (W0050)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">20.13</container>
            <unittitle>256 pages bound, 1 January 1870-5 May 1871. (W0051)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle> </unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle>
              <emph render="bold">Lists:</emph>
            </unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">21.1</container>
            <unittitle>Classified catalogue of Herschel's published works, 17 pages bound, circa
              1851. (W0962)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">21.2</container>
            <unittitle>Classified list of Herschel's publications, 12 pages, undated.
              (MW0018)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">21.3</container>
            <unittitle>General list of all my drawings and sketches (camera lucida sketches), 66
              pages bound, July 1861. (MW0019)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">21.4</container>
            <unittitle>Inventory of correspondence from 1831-1832, 12 pages. On verso: calculations.
              (MW0023)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">21.5</container>
            <unittitle>Inventory of papers referring to Mint affairs, 3 pages, undated.
              (W0982)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">21.6</container>
            <unittitle>List of my published papers, letters, articles, books, etc. in order of time,
              147 pages bound, circa 1870. (W0961)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">21.7</container>
            <unittitle>List of writings, 1 page, 1861 or later. (MW0040)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">21.8</container>
            <unittitle>Systematic index of subjects of pamphlets and separate presentation copies,
              18 pages bound, undated. (MW0022)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle> </unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle>
              <emph render="bold">Memoranda:</emph>
            </unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">21.9</container>
            <unittitle>About candles, oil, and wax, 2 pages, 23 November 1844. (W0171)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">21.10</container>
            <unittitle>Correspondence concerning telescope, 1 page, 5 December 1847.
              (MW0121)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">21.11</container>
            <unittitle>For life of Sir William Herschel, 18 pages, 1822 or later.
              (MW0123)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">21.12</container>
            <unittitle>Notata diurna (daily notes), 6 pages, 1-15 August 1862. (MW0005)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">21.13</container>
            <unittitle>Relating to the draft of the bond of Mr. Shaw, 2 pages, 29 March 1852. On
              verso: draft correspondence. (MW0124)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">21.14</container>
            <unittitle>Relating to painting and drawing, 20 pages, after 1837. (MW0021)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle> </unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle>
              <emph render="bold">Memorandum books:</emph>
            </unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">21.15</container>
            <unittitle>80 pages bound, 1826. (M0896)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">21.16</container>
            <unittitle>132 pages bound, 1826-1828. (M0897)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">21.17</container>
            <unittitle>120 pages bound, 1829-1830. (M0898)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">21.18</container>
            <unittitle>160 pages bound, 1830-1834. (M0899)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">21.19</container>
            <unittitle>150 pages bound, 1839-1841. (M0900)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">21.20</container>
            <unittitle>160 pages bound, 1843-1847. (M0901)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">21.21</container>
            <unittitle>120 pages bound, 1848-1849. (M0902)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">21.22</container>
            <unittitle>78 pages bound, 1850. (M0903)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle> </unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle>
              <emph render="bold">Travel journals:</emph>
            </unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">22.1</container>
            <unittitle>I, 39 pages / incomplete, 20 July 1809-12 August 1810. (W0053a)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">22.2</container>
            <unittitle>Travel notes: Paris, 2 pages, 10-17 January 1819. (W0001)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">22.3</container>
            <unittitle>II, 124 pages bound, 21 July-31 August 1821. (W0054)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">22.4</container>
            <unittitle>III, 39 pages bound, circa 1820s. (M0895)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">22.5</container>
            <unittitle>IV, 240 pages bound, 2 April-25 May 1824. (W0055)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">22.6</container>
            <unittitle>V, 188 pages bound, 25 May-6 August 1824. (W0056)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">22.7</container>
            <unittitle>VI, 184 pages bound, 7 August-12 September 1824. (W0057)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">22.8</container>
            <unittitle>VII, 120 pages bound, 12-21 September 1824. (W0058)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">22.9</container>
            <unittitle>VIII, 124 pages bound, 21 September 1824-12 September 1826.
              (W0059)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">22.10</container>
            <unittitle>IX, 156 pages bound, 1824-1829. (M0887)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">22.11</container>
            <unittitle>X, 124 pages bound, 13 September-11 October 1826. (W0060)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">22.12</container>
            <unittitle>XI, 172 pages bound, 6 September 1827-7 July 1829. (W0061)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">22.13</container>
            <unittitle>XII, 188 pages bound, 23 May-24 June 1829. (W0062)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">22.14</container>
            <unittitle>XIII, 184 pages bound, 8 July 1829-19 July 1837. (W0063a)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">22.15</container>
            <unittitle>Cape register of goods shipped and inventories of goods left, 48 pages bound,
              circa 1833-1838. (MW0017)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">22.16</container>
            <unittitle>List and account of sketches in travelling, drawings of Cape flowers, Cape
              register of letters and parcels, 74 pages bound, circa 1833-1838. (MW0020)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">22.17</container>
            <unittitle>Notes of the voyage, 1 page, 9 February 1840. (MW0094)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">22.18</container>
            <unittitle>XIV, 72 pages bound, 1850. (M0892)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">22.19</container>
            <unittitle>XV, 100 pages bound, 26 August-6 October 1850. (W0063b)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">22.20</container>
            <unittitle>XVI, 132 pages bound, 6-28 October 1850. (W0063c)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle> </unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle>
              <emph render="bold">Travel papers:</emph>
            </unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">23.1</container>
            <unittitle>Bills for French tours, approximately 140 pages, 1850s. (MW0091)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">23.2</container>
            <unittitle>Passports: Italy, France, Germany, 8 sheets, 1819-1829. (MW0095)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">23.3</container>
            <unittitle>Projected course, 4 pages, circa 1842. (MW0096)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">23.4</container>
            <unittitle>Routes: Bolletoni della Posta, 25 pages, circa 1824. (MW0097)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">23.5</container>
            <unittitle>Travel bills, circa 19 pages, 1820s. (MW0092)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">23.6</container>
            <unittitle>Miscellaneous travel papers, 2 pages, undated. (MW0098-MW0099)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle> </unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle>
              <emph render="bold">Miscellaneous family papers:</emph>
            </unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">23.7</container>
            <unittitle>Biographical note on Caroline Herschel (draft), 2 pages, 1848 or later.
              (MW0103)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">23.8</container>
            <unittitle>Epitaph of Sir William Herschel, 10 pages, 1822 or later.
              (MW0110)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">23.9</container>
            <unittitle>Obituary notice re Mr. Dawes, 8 pages, circa 1868. (MW0131)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">23.10</container>
            <unittitle>Occupants of mourning coaches, 5 leaves, possibly 1822. (M1170)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">23.11</container>
            <unittitle>Sums to become due to Miss Herschel on account of her legacy under the Stamp
              Act, 1 page, undated. (MW0041)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">23.12</container>
            <unittitle>Things jotted down to be of use to my family, 7 pages, undated (possibly near
              the end of JFWH's life). (MW0145)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">23.13</container>
            <unittitle>Trusteeships, 3 pages, 1830; 13 February 1843; 23 February 1863.
              (MW0149)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle> </unittitle>
          </did>
        </c02>
        <c02 level="subseries">
          <did>
            <unittitle>
              <emph render="bold">Subseries C. Correspondence, </emph>
              <unitdate era="ce" calendar="gregorian" type="inclusive">
                <emph render="bold">1811-1871</emph>
              </unitdate>
            </unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle> </unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle>
              <emph render="bold">Outgoing:</emph>
            </unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">24.1</container>
            <unittitle>A</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">24.2</container>
            <unittitle>Aberdeen, George Hamilton Gordon, Earl, circa 1852-1855</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">24.3</container>
            <unittitle>Airy, George Biddell, Sir, 1838-1867</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">24.4</container>
            <unittitle>Anderson, T. P., 1858-1866</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">24.5</container>
            <unittitle>Atkinson, Jasper, 1851</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">24.6-7</container>
            <unittitle>B</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">24.8</container>
            <unittitle>Babbage, Charles, 1814-1858 (bulk 1814-1821)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">24.9</container>
            <unittitle>Baldwin, Mary, circa 1824-1868</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">24.10</container>
            <unittitle>Barton, William Henry, 1850-1855</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">24.11</container>
            <unittitle>Bingley, Henry, 1851</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">24.12</container>
            <unittitle>Brande, William Thomas, 1850-1855</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">24.13</container>
            <unittitle>C-E</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">24.15</container>
            <unittitle>d'Arrest, Heinrich Louis, 1862-1864</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">24.14</container>
            <unittitle>Daily News, 1865; 1868</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">24.16</container>
            <unittitle>Dollond, George, 1842-1843</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">24.17</container>
            <unittitle>F-G</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">24.18</container>
            <unittitle>Finch, Henry, 1852-1854</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">24.19</container>
            <unittitle>Gladstone, W. E. (William Ewart), 1853-1855</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">24.20</container>
            <unittitle>Grenville, Richard, 1852-1855</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">25.1</container>
            <unittitle>H</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">25.2</container>
            <unittitle>Harness, H. D. (Henry Drury), 1850-1853</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">25.3</container>
            <unittitle>Herschel, A. S. (Alexander Stewart), 1861</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">25.4</container>
            <unittitle>Herschel, Caroline Emily Mary, 1852; 1855</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle> </unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle>Herschel, Caroline Lucretia</unittitle>
          </did>
          <c03>
            <did>
              <container type="Container">25.5</container>
              <unittitle>1823-1837</unittitle>
            </did>
          </c03>
          <c03>
            <did>
              <container type="Container">25.6</container>
              <unittitle>1838-1841</unittitle>
            </did>
          </c03>
          <c03>
            <did>
              <container type="Container">25.7</container>
              <unittitle>1842-1847</unittitle>
            </did>
          </c03>
        </c02>
        <c02>
          <did>
            <container type="Container">25.8</container>
            <unittitle>Herschel, Isabella, 1854</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">25.9</container>
            <unittitle>Herschel, Johann Dietrich, 1822</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">25.10</container>
            <unittitle>Herschel, John, 1868-1869</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">25.11</container>
            <unittitle>Herschel, Margaret, Lady, 1830-1856</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">25.12</container>
            <unittitle>Herschel, Margaret Louisa, 1852; undated</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle> </unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle>Herschel, Mary Pitt</unittitle>
          </did>
          <c03>
            <did>
              <container type="Container">25.13</container>
              <unittitle>1819-1822</unittitle>
            </did>
          </c03>
          <c03>
            <did>
              <container type="Container">25.14-26.1</container>
              <unittitle>1824</unittitle>
            </did>
          </c03>
          <c03>
            <did>
              <container type="Container">26.2</container>
              <unittitle>1826-1828</unittitle>
            </did>
          </c03>
          <c03>
            <did>
              <container type="Container">26.3</container>
              <unittitle>1829-1831</unittitle>
            </did>
          </c03>
        </c02>
        <c02>
          <did>
            <container type="Container">26.4</container>
            <unittitle>Herschel, William, Sir, 1811-1822</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">26.5</container>
            <unittitle>Herschel, William James, Sir, 1863-1869</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">26.6</container>
            <unittitle>J-K</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">26.7</container>
            <unittitle>Jones, Richard, 1826-1855</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">26.8</container>
            <unittitle>L</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">26.9</container>
            <unittitle>M</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">26.10</container>
            <unittitle>Mathison, Gilbert Farquhar Graeme, 1844</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">26.11</container>
            <unittitle>Murchison, Roderick Impey, Sir, 1832-1868</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">26.12</container>
            <unittitle>Mushet, Robert, 1854</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">26.13</container>
            <unittitle>N-Q</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">26.14</container>
            <unittitle>Northampton, Spencer Joshua Alwyne Compton, Marquis of, 1838</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">26.15</container>
            <unittitle>Pistrucci, Benedetto, circa 1851-1855</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">26.16</container>
            <unittitle>Pritchard, Charles, 1850; 1867</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">26.17</container>
            <unittitle>Quesneville, Gustave Augustin, 1863</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">27.1</container>
            <unittitle>R</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">27.2</container>
            <unittitle>Ralph Heaton &amp; Sons, 1854-1855</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">27.3</container>
            <unittitle>Rich, Henry, Sir, 1851-1855 </unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">27.4</container>
            <unittitle>Royal Astronomical Society, 1869</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">27.5</container>
            <unittitle>Royal Mint, 1851-1855</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">27.6</container>
            <unittitle>Russell, John Russell, Earl, 1823-1851 </unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">27.7</container>
            <unittitle>Ryan, Edward, Sir, 1834-1865</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">27.8</container>
            <unittitle>S-T</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">27.9</container>
            <unittitle>Sabine, Edward, Sir, circa 1835-1866</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">27.10</container>
            <unittitle>Somerville, Mary, 1869</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle> </unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle>Stewart, James Calder</unittitle>
          </did>
          <c03>
            <did>
              <container type="Container">27.11</container>
              <unittitle>1831-1839</unittitle>
            </did>
          </c03>
          <c03>
            <did>
              <container type="Container">27.12</container>
              <unittitle>1843-1849</unittitle>
            </did>
          </c03>
          <c03>
            <did>
              <container type="Container">27.13</container>
              <unittitle>1851-1857</unittitle>
            </did>
          </c03>
          <c03>
            <did>
              <container type="Container">27.14</container>
              <unittitle>1860-1867</unittitle>
            </did>
          </c03>
          <c03>
            <did>
              <container type="Container">27.15</container>
              <unittitle>Undated</unittitle>
            </did>
          </c03>
        </c02>
        <c02>
          <did>
            <container type="Container">27.16</container>
            <unittitle>Stewart, Peter, 1833-1843</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">28.1</container>
            <unittitle>Strachey, Richard, Sir, 1867</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">28.2</container>
            <unittitle>Talbot, William Henry Fox, 1840</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle> </unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle>Trevelyan, Charles E. (Charles Edward)</unittitle>
          </did>
          <c03>
            <did>
              <container type="Container">28.3</container>
              <unittitle>1850-1852</unittitle>
            </did>
          </c03>
          <c03>
            <did>
              <container type="Container">28.4</container>
              <unittitle>1853</unittitle>
            </did>
          </c03>
          <c03>
            <did>
              <container type="Container">28.5</container>
              <unittitle>1854</unittitle>
            </did>
          </c03>
          <c03>
            <did>
              <container type="Container">28.6</container>
              <unittitle>1855</unittitle>
            </did>
          </c03>
        </c02>
        <c02>
          <did>
            <container type="Container">28.7</container>
            <unittitle>U-Y</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">28.8</container>
            <unittitle>Ward, Edward Wolstenholme, 1854-1855</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">28.9</container>
            <unittitle>Wilson, James, 1851-1854</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">28.10</container>
            <unittitle>Wood, Charles, 1851</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">28.11; osf 4</container>
            <unittitle>Unidentified</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle> </unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle>
              <emph render="bold">Incoming:</emph>
            </unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">29.1</container>
            <unittitle>A</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle> </unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle>Airy, George Biddell, Sir</unittitle>
          </did>
          <c03>
            <did>
              <container type="Container">29.2</container>
              <unittitle>1838</unittitle>
            </did>
          </c03>
          <c03>
            <did>
              <container type="Container">29.3</container>
              <unittitle>1840-1844</unittitle>
            </did>
          </c03>
          <c03>
            <did>
              <container type="Container">29.4</container>
              <unittitle>1845</unittitle>
            </did>
          </c03>
          <c03>
            <did>
              <container type="Container">29.5</container>
              <unittitle>1846-1848</unittitle>
            </did>
          </c03>
          <c03>
            <did>
              <container type="Container">29.6</container>
              <unittitle>1852-1854</unittitle>
            </did>
          </c03>
          <c03>
            <did>
              <container type="Container">29.7</container>
              <unittitle>1858-1863</unittitle>
            </did>
          </c03>
          <c03>
            <did>
              <container type="Container">29.8</container>
              <unittitle>1867-1870</unittitle>
            </did>
          </c03>
        </c02>
        <c02>
          <did>
            <container type="Container">29.9</container>
            <unittitle>Arbuthnot, G. (George), 1852-1853</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">29.10</container>
            <unittitle>Atkinson, Jasper, 1851</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">29.11</container>
            <unittitle>B</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">29.12</container>
            <unittitle>Babbage, Charles, 1843-1863</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">29.13</container>
            <unittitle>Baily, Francis, 1831-1843</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">29.14</container>
            <unittitle>Barton, William Henry, 1855</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">29.15</container>
            <unittitle>Bateson, William Henry, 1850-1855</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">29.16</container>
            <unittitle>Beaufort, Francis, Sir, 1827-1852</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">29.17</container>
            <unittitle>Becher, A. B. (Alexander Bridport), 1857-1863</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">29.18</container>
            <unittitle>Beresford Hope, A. J. B. (Alexander James Beresford), 1868-1871</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">30.7</container>
            <unittitle>Bethune, John Elliot Drinkwater, 1838-1842</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">29.19</container>
            <unittitle>Bingley, Henry, 1851</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">29.20</container>
            <unittitle>Birt, William Radcliffe, 1848-1856</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">29.21</container>
            <unittitle>Brande, William Thomas, 1850-1855</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">30.1</container>
            <unittitle>C</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">30.21</container>
            <unittitle>Chubb, Hammond, 1870</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">30.2</container>
            <unittitle>Clarke, Edward Daniel, 1816-1817</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">30.3</container>
            <unittitle>Cole, James H., 1851</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">30.4</container>
            <unittitle>D</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">30.5</container>
            <unittitle>Dawes, William Rutter, 1843-1855</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">30.6</container>
            <unittitle>Dollond, George, 1842-1843</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">30.8</container>
            <unittitle>E-G</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">30.9</container>
            <unittitle>Ellis, Alexander, 1851-1852</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">30.10</container>
            <unittitle>Enfield, Edward, circa 1851-1859</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">30.11</container>
            <unittitle>Few &amp; Co., London, 1863</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">30.12</container>
            <unittitle>Field, Henry William, 1855-1869</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">30.13</container>
            <unittitle>Finch, Henry, 1853</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">30.14</container>
            <unittitle>Franklyn, Richard, 1851</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">30.15</container>
            <unittitle>Gibbs, Frederick Waymouth, 1853</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">30.16</container>
            <unittitle>Graham, John, 1850</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">30.17</container>
            <unittitle>Grahame, James, 1822 and 1834</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">29.22</container>
            <unittitle>Grenville, Richard, 1852</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">30.18</container>
            <unittitle>Griffith, George, 1870</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">30.19</container>
            <unittitle>H</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">30.20</container>
            <unittitle>Hamilton, William Alexander Baillie, 1851-1852</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">30.22</container>
            <unittitle>Hardcastle, Joseph Alfred, 1867-1870</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle> </unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle>Harness, H. D. (Henry Drury)</unittitle>
          </did>
          <c03>
            <did>
              <container type="Container">30.23</container>
              <unittitle>1850-1851</unittitle>
            </did>
          </c03>
          <c03>
            <did>
              <container type="Container">30.24</container>
              <unittitle>1852-1853</unittitle>
            </did>
          </c03>
        </c02>
        <c02>
          <did>
            <container type="Container">31.1</container>
            <unittitle>Herschel, Caroline Emily Mary, 1843-1855</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">31.2</container>
            <unittitle>Herschel, Caroline Lucretia, 1823-1840</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle> </unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle>Herschel, Mary Pitt</unittitle>
          </did>
          <c03>
            <did>
              <container type="Container">31.3</container>
              <unittitle>1813</unittitle>
            </did>
          </c03>
          <c03>
            <did>
              <container type="Container">31.4</container>
              <unittitle>1821</unittitle>
            </did>
          </c03>
          <c03>
            <did>
              <container type="Container">31.5</container>
              <unittitle>1822 </unittitle>
            </did>
          </c03>
          <c03>
            <did>
              <container type="Container">31.6</container>
              <unittitle>1823</unittitle>
            </did>
          </c03>
          <c03>
            <did>
              <container type="Container">31.7</container>
              <unittitle>1824</unittitle>
            </did>
          </c03>
          <c03>
            <did>
              <container type="Container">31.8</container>
              <unittitle>1827-1828</unittitle>
            </did>
          </c03>
          <c03>
            <did>
              <container type="Container">31.9</container>
              <unittitle>1829</unittitle>
            </did>
          </c03>
        </c02>
        <c02>
          <did>
            <container type="Container">31.10</container>
            <unittitle>Hubbard, John Gellibrand, 1816-1820</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">31.11</container>
            <unittitle>Inglis, Robert Harry, Sir, 1850-1851</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">31.12</container>
            <unittitle>J-K</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">31.13</container>
            <unittitle>Jones, Richard, 1822; 1853; 1869</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">31.14</container>
            <unittitle>Jones, T. Rupert (Thomas Rupert), 1868</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">31.15</container>
            <unittitle>Knipping, Anne Elise, 1822-1848</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">31.16</container>
            <unittitle>L-M</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">31.17</container>
            <unittitle>Liddell, James, 1864</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">31.18</container>
            <unittitle>Lloyd, Humphrey, 1844-1858</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">31.19</container>
            <unittitle>Mathison, Gilbert Farquhar Graeme, 1851</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">31.20</container>
            <unittitle>Merz, Georg, 1843-1845</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">31.21</container>
            <unittitle>Meyer, Adolph Bernhard, 1870</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">32.1</container>
            <unittitle>Miller, W. H. (William Hallows), 1858-1867</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">32.2</container>
            <unittitle>Minto, Gilbert Elliot, Earl of, 1838-1839</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">32.3</container>
            <unittitle>Monteagle of Brandon, Thomas Spring-Rice, Baron, 1838-1857</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">32.4</container>
            <unittitle>Murchison, Roderick Impey, Sir, 1862; 1868; undated</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">32.5</container>
            <unittitle>Mushet, Robert, 1853-1868</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">32.6</container>
            <unittitle>N-Q</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">32.7</container>
            <unittitle>Northampton, Spencer Joshua Alwyne Compton, Marquis of, 1838-1839</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">32.8</container>
            <unittitle>Owen, Richard, 1853</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">32.9</container>
            <unittitle>Peacock, George, 1822-1858</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">32.10</container>
            <unittitle>Phillips, John, 1838-1866</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">32.11</container>
            <unittitle>Pistrucci, Benedetto, 1851-1852</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">32.12</container>
            <unittitle>R</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">32.13</container>
            <unittitle>Reynolds, H. R. (Henry Revell), 1851-1853</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">32.14</container>
            <unittitle>Rich, Henry, Sir, 1851</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">32.15</container>
            <unittitle>Robertson, Patrick Francis, 1860-1870</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">32.16</container>
            <unittitle>Rogers, Charles, 1863-1864</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">32.17</container>
            <unittitle>Rumsey, Lacy, 1850</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">32.18</container>
            <unittitle>Russell, John Russell, Earl, 1850</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">32.19</container>
            <unittitle>S</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle> </unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle>Sabine, Edward, Sir</unittitle>
          </did>
          <c03>
            <did>
              <container type="Container">32.20</container>
              <unittitle>1840-1842</unittitle>
            </did>
          </c03>
          <c03>
            <did>
              <container type="Container">32.21</container>
              <unittitle>1844</unittitle>
            </did>
          </c03>
          <c03>
            <did>
              <container type="Container">32.22</container>
              <unittitle>1845</unittitle>
            </did>
          </c03>
          <c03>
            <did>
              <container type="Container">32.23</container>
              <unittitle>1847-1864</unittitle>
            </did>
          </c03>
        </c02>
        <c02>
          <did>
            <container type="Container">33.1</container>
            <unittitle>Sheepshanks, R. (Richard), 1845-1853 </unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">33.2</container>
            <unittitle>Smyth, W. H. (William Henry), 1831-1851</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">33.3</container>
            <unittitle>South, James, 1821</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">33.4</container>
            <unittitle>Stephenson, William Henry, 1850-1854</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">33.5</container>
            <unittitle>Sterry, Charles, 1865-1868</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">33.6</container>
            <unittitle>Stokes, George Gabriel, 1854-1870</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">33.7</container>
            <unittitle>Stratford, William Samuel, 1844-1847</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">33.8</container>
            <unittitle>T-V</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle> </unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle>Trevelyan, Charles E. (Charles Edward)</unittitle>
          </did>
          <c03>
            <did>
              <container type="Container">33.9</container>
              <unittitle>1850-1851</unittitle>
            </did>
          </c03>
          <c03>
            <did>
              <container type="Container">33.10</container>
              <unittitle>1852</unittitle>
            </did>
          </c03>
          <c03>
            <did>
              <container type="Container">33.11</container>
              <unittitle>1853</unittitle>
            </did>
          </c03>
          <c03>
            <did>
              <container type="Container">33.12</container>
              <unittitle>1854-1855</unittitle>
            </did>
          </c03>
        </c02>
        <c02>
          <did>
            <container type="Container">33.13</container>
            <unittitle>W</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">33.14</container>
            <unittitle>Whewell, William, 1832-1855</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">33.15</container>
            <unittitle>Wilson, James, 1851-1853</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">33.16</container>
            <unittitle>Wood, Charles, 1850-1851</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">33.17</container>
            <unittitle>Wyon, Leonard Charles, 1851-1854</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">33.18</container>
            <unittitle>Wyon, William, 1850-1851</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">33.19</container>
            <unittitle>Y</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">33.20</container>
            <unittitle>Unidentified</unittitle>
          </did>
        </c02>
      </c01>
      <c01 level="series">
        <did>
          <unittitle>Series II., Sir William Herschel, <unitdate era="ce" calendar="gregorian"
              type="inclusive">1753-1822</unitdate></unittitle>
        </did>
        <c02 level="subseries">
          <did>
            <unittitle>
              <emph render="bold">Subseries A. Works, </emph>
              <unitdate era="ce" calendar="gregorian" type="inclusive">
                <emph render="bold">1763-1816</emph>
              </unitdate>
            </unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle> </unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">45.1</container>
            <unittitle>Astronomical calculator scroll, 1 item, undated.</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">34.1</container>
            <unittitle>Astronomical tables, first copy, 96 pages bound, 1790s. (M1126)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">34.2</container>
            <unittitle>Astronomical tables, second copy, 92 pages bound, 1790s. (M1127)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">34.3</container>
            <unittitle>Concerning the central powers of the particles of matter, 19 pages, undated.
              (M1107)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">34.10</container>
            <unittitle>A curious often observed fact…, 1 page, 7 April 1783. (M1105)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">34.4</container>
            <unittitle>A description of optical and astronomical instruments…, 6 pages, undated.
              (M1108)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">34.5</container>
            <unittitle>Examination of five micrometers, with the 10 ft. telescope, 2 pages, 6
              October 1816. (M1109)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">34.10</container>
            <unittitle>Five handwriting samples, showing alterations due to "nervous relaxations," 8
              pages, circa 1809-1812. (M1129)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">34.6</container>
            <unittitle>Interference of light (draft), 42 pages, undated. (M1110-M1111)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">34.10</container>
            <unittitle>It is a law in mechanics…, (draft), 2 pages, undated. (M1112)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">34.10</container>
            <unittitle>Kant (notes on philosophy), 16 pages, undated. (M1113)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">34.7</container>
            <unittitle>List of constellations and star clusters, 2 pages, 1 January 1804.
              (M1121)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">34.10</container>
            <unittitle>Memorandum of the defect of language, 9 pages, undated. (M1115)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">34.8</container>
            <unittitle>Micrometers for measuring distances or diameters..., 84 pages bound, 28
              February 1779-17 January 1809. (M1116)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">34.9</container>
            <unittitle>Micrometrical tables, 20 tables, 1780s-1790s. (M1128.1)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">34.10</container>
            <unittitle>My idea of matter, 4 pages, circa 1 February 1780. Includes typescript copy.
              (M1117)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">34.11</container>
            <unittitle>Notes on astronomy, 12 pages, circa 1770-1780s. Some notes in the hand of
              Caroline Lucretia Herschel. (M1102)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">34.10</container>
            <unittitle>Notes to Sir James Stewart's political recovery, 1 page, undated.
              (M1118)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">34.12</container>
            <unittitle>On central powers, 20 pages bound, 1789. Copied by Caroline Lucretia
              Herschel. (M1104)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">34.13</container>
            <unittitle>Optics, 4 pages, circa 1799 or later. (M1119)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">34.13</container>
            <unittitle>Optics (notes), 200 paper strips, circa 1800. (M1120)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">34.14</container>
            <unittitle>Particulars relating to micrometers..., 2 discs and 12 pages, 22 October
              1816. Original folder and micrometer included. (M1122)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">34.10</container>
            <unittitle>Remarks on Boscovich's Theoria philosophiae naturalis, 1 page, 1763 or later.
              (M1123)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">34.15</container>
            <unittitle>Remarks on Dr. Priestley's disquisition on matter and spirit, 92 pages bound,
              1777 or later. (M1124)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">34.16</container>
            <unittitle>Remarks on Dr. Priestley's disquisitions continued (draft), 17 pages, 1777 or
              later. (M1125)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">34.17</container>
            <unittitle>Table duplicating calculator scroll, 1 table, 1780s-1790s.
              (M1128.4)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">34.18</container>
            <unittitle>Tables, 10 tables, 1780s-1790s. (M1128.3)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">34.19</container>
            <unittitle>Time conversion tables, 9 tables, 1780s-1790s. (M1128.2)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">34.20</container>
            <unittitle>William Herschel's scientific papers, 68 pages bound, 7 September 1782-4 June
              1784. Copied in an unidentified hand. (M1132)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">osf 17</container>
            <unittitle>William Herschel's telescope: drawn by J. Bruce and engraved by J. Walker
              (copperplate engraving), 1 leaf, 1 February 1794.</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle> </unittitle>
          </did>
        </c02>
        <c02 level="subseries">
          <did>
            <unittitle>
              <emph render="bold">Subseries B. Personal Records, </emph>
              <unitdate era="ce" calendar="gregorian" type="inclusive">
                <emph render="bold">1753-1822</emph>
              </unitdate>
            </unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle> </unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">35.1</container>
            <unittitle>Biographical memorandums, 64 pages bound, 1 May 1753-19 February 1787. Copied
              by Caroline Lucretia Herschel and Francisca Herschel. (M1103)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">35.2</container>
            <unittitle>List of telescopes made by William Herschel, 3 pages, undated.
              (M1114)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">35.3</container>
            <unittitle>Obituary notices for William Herschel, including draft by John Herschel,
              extract in Caroline Herschel's hand, and clippings with marginal notes in various
              hands, approximately 50 pages, 1822 and later. (MW0132, M1087, M1198, M1150,
              M1089)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">35.4</container>
            <unittitle>Promissory note from Peter Welker, 1 leaf, 30 January 1772.
              (M1131)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">35.4</container>
            <unittitle>Receipt to William Herschel, 1 page, 10 January 1809. (M1177)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">35.4</container>
            <unittitle>Receipts for the hire of telescopes of William and John Evill, 4 pages, 2
              March 1773 and 13 April 1774. (M1130)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle> </unittitle>
          </did>
        </c02>
        <c02 level="subseries">
          <did>
            <unittitle>
              <emph render="bold">Subseries C. Correspondence, </emph>
              <unitdate era="ce" calendar="gregorian" type="inclusive">
                <emph render="bold">1764-1822</emph>
              </unitdate>
            </unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle> </unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle>
              <emph render="bold">Outgoing:</emph>
            </unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">35.5</container>
            <unittitle>Blagden, Charles, Sir, 1785</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle>
              <emph render="bold">Incoming:</emph>
            </unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">35.6</container>
            <unittitle>A-Z</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">35.7</container>
            <unittitle>Herschel, Carl Christian, 1790 and 1819</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">35.8</container>
            <unittitle>Herschel, Isaac, 1764 (includes biographical and genealogical
              notes)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">35.9</container>
            <unittitle>Herschel, Jacob, 1779-1786</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle>Herschel, Johann Dietrich</unittitle>
          </did>
          <c03>
            <did>
              <container type="Container">35.10</container>
              <unittitle>1780-1795</unittitle>
            </did>
          </c03>
          <c03>
            <did>
              <container type="Container">35.11</container>
              <unittitle>1796-1822</unittitle>
            </did>
          </c03>
        </c02>
        <c02>
          <did>
            <container type="Container">35.12</container>
            <unittitle>Unidentified</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle> </unittitle>
          </did>
        </c02>
      </c01>
      <c01 level="series">
        <did>
          <unittitle>Series III., Caroline Lucretia Herschel, <unitdate era="ce"
              calendar="gregorian" type="inclusive">1783-1849</unitdate></unittitle>
        </did>
        <c02 level="subseries">
          <did>
            <unittitle>
              <emph render="bold">Subseries A. Works, </emph>
              <unitdate era="ce" calendar="gregorian" type="inclusive">
                <emph render="bold">1783-1840</emph>
              </unitdate>
            </unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle> </unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">36.1</container>
            <unittitle>Autobiography, 48 pages, circa 1840. (M0675)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">36.2</container>
            <unittitle>Autobiography No. I, 62 pages bound, 16 March 1822. (M0676)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">36.3</container>
            <unittitle>Autobiography No. II, 51 pages bound, probably 1822. (M0677)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">36.4</container>
            <unittitle>Eclipse of the sun, 2 pages, 7 September 1820. (W0094)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">47.1</container>
            <unittitle>Tables for casting up P. D. numbers, 6 sheets, undated.</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">36.5</container>
            <unittitle>Tables for the variation of the stars for one year, 16 pages bound,
              1783-1789. (M1094)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle> </unittitle>
          </did>
        </c02>
        <c02 level="subseries">
          <did>
            <unittitle>
              <emph render="bold">Subseries B. Personal Records, </emph>
              <unitdate era="ce" calendar="gregorian" type="inclusive">
                <emph render="bold">1792-1849</emph>
              </unitdate>
            </unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle> </unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">36.6</container>
            <unittitle>Anecdote of Mr. Herschel, copied by Caroline Herschel from the Pocket
              Magazine of Classic and Polite Literature…, 4 pages, 24 October 1818.
              (M1083)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">36.7</container>
            <unittitle>Annuity papers, 15 pages, 1822-23 October 1831. (M0673-M0674)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">36.8</container>
            <unittitle>Biographical memoranda on JFWH, 6 pages, 1837 or later. (M1084)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">36.9</container>
            <unittitle>Biographical memoranda on William Herschel, 10 pages, 1840 or later.
              (M1085)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">36.10</container>
            <unittitle>Biographical memorandum, 3 pages, 1822-1840. (M1090)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">36.11</container>
            <unittitle>Biographical memorandums, 8 pages, circa 1792-1844 or later.
              (M0686)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle> </unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle>Daybooks:</unittitle>
          </did>
          <c03>
            <did>
              <container type="Container">36.12</container>
              <unittitle>No. 1, 24 pages bound, 15 May 1833-14 May 1837. (M0666)</unittitle>
            </did>
          </c03>
          <c03>
            <did>
              <container type="Container">36.13</container>
              <unittitle>No. 2, 40 pages bound, 26 May 1837-25 July 1839. (M0667)</unittitle>
            </did>
          </c03>
          <c03>
            <did>
              <container type="Container">36.14</container>
              <unittitle>No. 3, 32 pages bound, 27 July 1839-7 February 1841. (M0668)</unittitle>
            </did>
          </c03>
          <c03>
            <did>
              <container type="Container">36.15</container>
              <unittitle>No. 4, 20 pages bound, 10 February 1841-16 February 1842.
                (M0669)</unittitle>
            </did>
          </c03>
          <c03>
            <did>
              <container type="Container">36.16</container>
              <unittitle>No. 5, 24 pages bound, 16 February 1842-23 October 1843.
                (M0670)</unittitle>
            </did>
          </c03>
          <c03>
            <did>
              <container type="Container">36.17</container>
              <unittitle>No. 6, 24 pages bound, 6 October 1843-3 September 1845. (M0671)</unittitle>
            </did>
          </c03>
        </c02>
        <c02>
          <did>
            <container type="Container">47.2</container>
            <unittitle>Diploma appointing Caroline Lucretia Herschel a member of the Royal Irish
              Academy, 12 November 1838. (M1227)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">36.18</container>
            <unittitle>Epitaph of Caroline Herschel, 7 pages, circa 1844. Includes two copies and a
              translation, all in unidentified hands. (M0682)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">36.19</container>
            <unittitle>Extracts copied by Caroline Herschel from various news publications, 6 pages,
              circa 1820s and 1830s. (M1091-M1093)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">36.20</container>
            <unittitle>Extracts from a day book kept during the years 1797 and 1821, 57 pages bound,
              1797-1821. (M0683)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">36.21</container>
            <unittitle>Extracts from a letter of Dr. Maskelyne, 1 leaf, undated. (M0685)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">36.22</container>
            <unittitle>Historical memorandums for the years from 1722..., 5 fragments, circa 1822 or
              later. Original folders included. (M0681)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">36.23</container>
            <unittitle>Indices and inventories, 10 pages, circa 1835 or later. (M0679, M0684,
              M1088)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">36.24</container>
            <unittitle>Legal documents, bills, etc. re: estate of Caroline Lucretia Herschel, 35
              leaves, 7 June 1848-4 January 1849. (M1163)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">36.25</container>
            <unittitle>Memorandum book, 76 pages bound, probably 1780s or 1790s. (M0672)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">36.26</container>
            <unittitle>Memorandum book, 31 pages bound, 13 May 1822-5 February 1837.
              (M0678)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">47.1</container>
            <unittitle>Pension for Caroline Lucretia Herschel, 16 pages, 21 September 1820.
              (M1226)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">36.27</container>
            <unittitle>The will and some memorandums, 7 pages, 8 January 1831 and 10 January 1848.
              (M0680)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle> </unittitle>
          </did>
        </c02>
        <c02 level="subseries">
          <did>
            <unittitle>
              <emph render="bold">Subseries C. Correspondence, </emph>
              <unitdate era="ce" calendar="gregorian" type="inclusive">
                <emph render="bold">1800-1847</emph>
              </unitdate>
            </unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle> </unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle>
              <emph render="bold">Outgoing:</emph>
            </unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">37.1</container>
            <unittitle>A-Z</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle>
              <emph render="bold">Incoming:</emph>
            </unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">37.2</container>
            <unittitle>A-Z</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">37.3</container>
            <unittitle>Airy, George Biddell, Sir, 1842</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">37.4</container>
            <unittitle>Baldwin, Mary, 1824-1838</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">37.5</container>
            <unittitle>Baldwin, Sophia, 1800-1816</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">37.7</container>
            <unittitle>Herschel, Caroline Emily Mary, circa 1840-1845</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">37.8</container>
            <unittitle>Herschel, Isabella, circa 1839-1840s </unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">37.6</container>
            <unittitle>Herschel, John Alexander, 1807-1816</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle> </unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle>Herschel, Margaret, Lady</unittitle>
          </did>
          <c03>
            <did>
              <container type="Container">37.9</container>
              <unittitle>1830-1837</unittitle>
            </did>
          </c03>
          <c03>
            <did>
              <container type="Container">37.10</container>
              <unittitle>1838-1842</unittitle>
            </did>
          </c03>
          <c03>
            <did>
              <container type="Container">37.11</container>
              <unittitle>1843-1847</unittitle>
            </did>
          </c03>
        </c02>
        <c02>
          <did>
            <container type="Container">37.12</container>
            <unittitle>Herschel, Margaret Louisa, circa 1843-1845</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">37.13</container>
            <unittitle>Herschel, William James, Sir, circa 1840-1847</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">37.14</container>
            <unittitle>Stewart, James Calder, 1833-1838 </unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">37.15</container>
            <unittitle>Stewart, Peter, 1834-1837</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle> </unittitle>
          </did>
        </c02>
      </c01>
      <c01 level="series">
        <did>
          <unittitle>Series IV., Other Herschel Family Members, <unitdate era="ce"
              calendar="gregorian" type="inclusive">1721-1951</unitdate></unittitle>
        </did>
        <c02>
          <did>
            <unittitle>
              <emph render="bold">Herschel, Alexander Stewart:</emph>
            </unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">38.1</container>
            <unittitle>Composition of rotation, 3 pages, undated. (M1100)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">38.1</container>
            <unittitle>Geometrical problems, 2 pages, 18 August 1849. (M0790)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">8.2-3</container>
            <unittitle>Handwriting exercise, 30 May 1842; on verso of W0245.</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">38.1</container>
            <unittitle>Iron salt analysed, 1 leaf, 1 July 1862. (M0785) </unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">38.1</container>
            <unittitle>Three handwriting exercises, 8 pages, 7 December 1841-25 February 1844.
              (M0787-M0789)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">38.1</container>
            <unittitle>Water vessels (pen-and-ink sketches), 2 pages, undated. (M0786)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle> </unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle>
              <emph render="bold">Herschel, Isabella:</emph>
            </unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">38.2</container>
            <unittitle>Biographical memoranda and extracts from diaries and letters from JFWH to
              Lady Herschel, 108 pages bound, December 1829-1850. Copied by Isabella Herschel.
              (W0052)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">38.3</container>
            <unittitle>Extracts in Isabella's hand, 5 pages, 1823-1850. (M1144, M1159, M1175,
              M1179)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">38.4</container>
            <unittitle>Index of extracts from family letters of JFHW, 12 pages bound, circa 1851 or
              later. (M1096)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">38.5</container>
            <unittitle>Notebooks, 66 pages bound and 44 pages bound, 1859-1864.
              (M1097-M1098)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">38.6</container>
            <unittitle>Correspondence: A-Z, 1887-1890 </unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle> </unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle>
              <emph render="bold">Herschel, John (son):</emph>
            </unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">38.7</container>
            <unittitle>Diary, 156 pages, 1 February-31 December 1860. (W0041b)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle> </unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle>
              <emph render="bold">Herschel, Julia Mary:</emph>
            </unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">38.8</container>
            <unittitle>The 20-foot Herschel obelisk and table mountain (drawing) by Julia (Herschel)
              Maclear, ink tracing by William James Herschel, 1 page, probably 1838 or later.
              (M1217)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">38.8</container>
            <unittitle>Gardening note, 1 leaf, 30 January 1856. (M0800)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle> </unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle>
              <emph render="bold">Herschel, Margaret, Lady:</emph>
            </unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">38.9</container>
            <unittitle>Housekeeping book, 144 pages bound, 2 October 1829-2 August 1832.
              (M0905)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">38.10</container>
            <unittitle>Housekeeping book, 180 pages bound, 1 May 1836-2 April 1840.
              (M0906)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle>Outgoing correspondence:</unittitle>
          </did>
          <c03>
            <did>
              <container type="Container">38.11</container>
              <unittitle>A-Z; includes a biographical sketch of W. R. Dawes (M1141) and a poem, Not
                by the home he loved so well…, May 1871 (M1164).</unittitle>
            </did>
          </c03>
          <c03>
            <did>
              <container type="Container">38.12</container>
              <unittitle>Stewart, Alexander, Mrs. 1829-1831</unittitle>
            </did>
          </c03>
        </c02>
        <c02>
          <did>
            <container type="Container">38.13</container>
            <unittitle>Incoming correspondence: A-Z</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle> </unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle>
              <emph render="bold">Herschel, Margaret Louisa:</emph>
            </unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">38.14</container>
            <unittitle>Letter to Graham, John, 1 page, 1850. (M0801)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle> </unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle>
              <emph render="bold">Herschel, Mary Pitt:</emph>
            </unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">39.1</container>
            <unittitle>Housekeeping book, 280 pages bound, 30 September 1822-23 November 1831.
              (M0904)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">39.2</container>
            <unittitle>Correspondence: A-Z, 1820-1830</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle> </unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle>
              <emph render="bold">Herschel, William James, Sir:</emph>
            </unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">39.3</container>
            <unittitle>Handprints of his four children, 2 pages, 15 January 1878.</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">39.4</container>
            <unittitle>Note re: opinion on design in nature, 4 pages, 21 March 1892. (M0805)
            </unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">39.5</container>
            <unittitle>Correspondence: A-Z, 1844-1917</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle> </unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle>
              <emph render="bold">Other or unidentified Herschels:</emph>
            </unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">39.6</container>
            <unittitle>Cracks in an ice block (4 pencil drawings), 12 pages, 17 January 1861.
              (M1152)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">39.7</container>
            <unittitle>Correspondence: A-Z, 1721-1951</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle> </unittitle>
          </did>
        </c02>
      </c01>
      <c01 level="series">
        <did>
          <unittitle>Series V., Third-Party Works and Correspondence, <unitdate era="ce"
              calendar="gregorian" type="inclusive">1808-1868</unitdate></unittitle>
        </did>
        <c02 level="subseries">
          <did>
            <unittitle>
              <emph render="bold">Subseries A. Works, </emph>
              <unitdate era="ce" calendar="gregorian" type="inclusive">
                <emph render="bold">1827-1868</emph>
              </unitdate>
            </unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle> </unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle>Airy, George Biddell, Sir:</unittitle>
          </did>
          <c03>
            <did>
              <container type="Container">40.2</container>
              <unittitle>Abstract of experiments... Royal Observatory Greenwich (copy), 12 pages, 19
                March 1846. (M0649)</unittitle>
            </did>
          </c03>
          <c03>
            <did>
              <container type="Container">40.2</container>
              <unittitle>Address of the Astronomer Royal to the members of the board of visitors of
                the Royal Observatory, 4 pages, 12 May 1860. (M0650)</unittitle>
            </did>
          </c03>
          <c03>
            <did>
              <container type="Container">40.2</container>
              <unittitle>Circular to President of the Chamber of Commerce (copy), 1 page, circa
                1850s. (M0651)</unittitle>
            </did>
          </c03>
          <c03>
            <did>
              <container type="Container">40.2</container>
              <unittitle>Evidence of Col. Colby, 3 pages, circa 1840-1850s. (M0663)</unittitle>
            </did>
          </c03>
          <c03>
            <did>
              <container type="Container">40.2</container>
              <unittitle>Heads of the principal business… brought before the Commission for the
                Restoration of the Standards of Length and Weight, 4 pages, 25 February 1853.
                (M0656)</unittitle>
            </did>
          </c03>
          <c03>
            <did>
              <container type="Container">40.2</container>
              <unittitle>In regard to the report to be made by the standard commission..., 4 pages,
                18 May 1841. (M0660)</unittitle>
            </did>
          </c03>
          <c03>
            <did>
              <container type="Container">40.2</container>
              <unittitle>Memorandum on the standard troyweights, 4 pages, 11 February 1853.
                (M0657)</unittitle>
            </did>
          </c03>
          <c03>
            <did>
              <container type="Container">40.2</container>
              <unittitle>Mr. Haggard's evidence, 1 page, circa 1850s. (M0658)</unittitle>
            </did>
          </c03>
          <c03>
            <did>
              <container type="Container">40.2</container>
              <unittitle>Note to the committee for superintending the construction of standards at
                its first meeting, 3 pages, 29 June 1843. (M0659)</unittitle>
            </did>
          </c03>
          <c03>
            <did>
              <container type="Container">40.2</container>
              <unittitle>Notes of Captain Dawson's evidence, 6 pages, after 1836.
                (M0665)</unittitle>
            </did>
          </c03>
          <c03>
            <did>
              <container type="Container">40.2</container>
              <unittitle>Report of the committee appointed by the board of visitors (printed report
                with annotations), 4 pages, 4 March 1841. (M0661)</unittitle>
            </did>
          </c03>
          <c03>
            <did>
              <container type="Container">40.2</container>
              <unittitle>Report on standards: suggestions by Mr. Bethune, 2 pages, 19 August 1841.
                (M0662)</unittitle>
            </did>
          </c03>
        </c02>
        <c02>
          <did>
            <container type="Container">40.1</container>
            <unittitle>Bianchi, Giuseppe. Osservazioni meteorologiche, 4 sheets (8 tables), 1
              July-31 August 1821; 1 July-31 August 1824. (M1215)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">40.1</container>
            <unittitle>Booth, W. B. Height of the Horticultural Society's barometer..., 1 page, 19
              April 1827. (M1181)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">40.1</container>
            <unittitle>Brande, William Thomas. Salts of rhodium (notes copied for JFWH), 3 pages,
              undated. On verso: correspondence. (W0154)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">40.1</container>
            <unittitle>Brücke, Ernst Wilhelm von. Extract from the Philosophical Magazine, vol. 33,
              page 281, On the existence of the colour brown, 1 page, 11 June 1848.
              (M1184)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">40.1</container>
            <unittitle>Burney, Fanny. Madame d'Arblay's diary (extract) re: Caroline and William
              Herschel, 2 pages, 1787. (M1188)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">40.1</container>
            <unittitle>Carrington, Richard Christopher. Astronomical extracts, 4 pages, 8 February
              1858. (W0135)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">40.1</container>
            <unittitle>Dalton, John. Answers to Sir J. F. W. Herschel's enquiries, 8 pages, undated.
              (M1187)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">40.3</container>
            <unittitle>Forbes, James David. Elliptic transcendents, 25 pages bound, circa 23 April
              1848. (M1146)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">40.1</container>
            <unittitle>Les Frères Conti. Observations meteorologique, 1 sheet, 1-24 August 1821.
              (M1186)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">40.4</container>
            <unittitle>George III, King of Great Britain. Programme for daily concert of chamber
              music, 1 fragment, 22 October 1790. (M1190)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle> </unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle>Hind, J. Russell (James Russell):</unittitle>
          </did>
          <c03>
            <did>
              <container type="Container">40.5</container>
              <unittitle>Elements of the double star Virginis, 1 page, 1 July 1845.
                (W0086)</unittitle>
            </did>
          </c03>
          <c03>
            <did>
              <container type="Container">40.5</container>
              <unittitle>List of variable stars discovered 1848-52, 1 sheet, 24 April 1852.
                (W0092)</unittitle>
            </did>
          </c03>
          <c03>
            <did>
              <container type="Container">40.5</container>
              <unittitle>Report of Dr. Hind on experiments at Kensal Green as to vibration produced
                by railway trains, 4 pages, 17 April 1846. (M1004)</unittitle>
            </did>
          </c03>
        </c02>
        <c02>
          <did>
            <container type="Container">40.1</container>
            <unittitle>Hodgkins, Dr. Dr. Hodgkins's notes for John Herschel's tour of Sicily, 3
              pages, probably 1824 or later. (M1195)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">40.1</container>
            <unittitle>Holehouse, T. Receipt for Richard Sheepshanks, 2 pages, 8 April 1846.
              (M1197)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">40.1</container>
            <unittitle>Jeffreys, Anthony Henry. Sermon (extract) preached by the Rev. A. H.
              Jeffreys, 3 pages, 1870. (M1196)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">40.1</container>
            <unittitle>Johnson, Manuel J. (Manuel John). Extracts from M. J. Johnson's Remarks on
              the application of the heliometer to the photometry of stars (page 16), 3 pages, 1853
              or later. (M1199)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">40.1</container>
            <unittitle>Lawson, Henry and E. J. (Edward Joseph) Lowe. The memorial of the committee
              appointed for establishing an observatory in Nottingham, 8 pages, 13 December 1851.
              (M1205)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">40.6</container>
            <unittitle>Littrow, J. J. (Joseph Johann). Biography of William Herschel: Wiener
              Zeitshrift, 16 printed pages bound, 2 August 1832. (M1200)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">40.7</container>
            <unittitle>Lunn, Francis. Experiments with actinometer, 20 pages bound, 27-31 October
              1827. (W0072)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">40.1</container>
            <unittitle>Lynch, Martin H. Account of the experiment upon the crystalline lens...
              (extract, copied by Dr. Headlum), 2 pages, 1837 or later. (M1201)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle> </unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle>Maclear, Thomas, Sir:</unittitle>
          </did>
          <c03>
            <did>
              <container type="Container">40.8</container>
              <unittitle>Comparisons of Sir. J. Herschel's barometer with that of the Royal
                Observatory, Cape of Good Hope, 3 leaves, circa 1834. Includes notes in JFWH's hand.
                (M1203)</unittitle>
            </did>
          </c03>
          <c03>
            <did>
              <container type="Container">40.8</container>
              <unittitle>Data for orbits of double stars, Royal Observatory, Cape of Good Hope, 2
                sheets, 1849. (W0101)</unittitle>
            </did>
          </c03>
          <c03>
            <did>
              <container type="Container">40.8</container>
              <unittitle>Form of registry of the micrometric measures of double stars, Royal
                Observatory, Cape of Good Hope, 6 pages, 16 September-6 December 1849. On verso:
                correspondence. (MW0004)</unittitle>
            </did>
          </c03>
        </c02>
        <c02>
          <did>
            <container type="Container">40.1</container>
            <unittitle>Malthus, Mrs. Mrs. Malthus's answers to the general queries, 2 pages,
              undated. (M1142)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">40.9</container>
            <unittitle>Melvill, James Cosmo. Diary, 142 pages bound, 1 January-31 December 1864.
              (M1204)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">40.1</container>
            <unittitle>Minto, Gilbert Elliot, Earl of. Lord Minto's observations (copied by JFWH), 1
              page, undated. (MW0125)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">40.10</container>
            <unittitle>Nicollet, J. N. (Joseph Nicolas). Observations faites avec l'actinometre de
              M. Herschel pour determiner la force du rayonnement du soleil, 152 pages bound, 29
              July-6 October 1827. (W0074)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">40.1</container>
            <unittitle>Peacock, George. Argument for the resumption or retention of magnetic
              observations, 3 pages, 22 May 1857 or later. (M1206)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">40.1</container>
            <unittitle>Peirce, Benjamin. Preface to An elementary treatise on sound by Peirce
              Benjamin (copy), 4 pages, 1836. (M1207)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">40.1</container>
            <unittitle>Picot-Trembley. Tribute to Doctor William Herschel on the anniversary of his
              birth, 15 November 1820, 3 pages, 30 October 1820. (M1189)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">40.1</container>
            <unittitle>Phelps, Robert. In reply to the questions submitted to the Master and Fellows
              of Sidney College... (printed), 1 page, undated. (M1033)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">40.1</container>
            <unittitle>Planta, Joseph. At a council of the Royal Society (note), 1 page, 21 December
              1797. (M1035)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">40.1</container>
            <unittitle>Pole, William. Mr. Pole's remarks on Mr. Dalton's selection of colored silks
              in the possession of Sir John Herschel (copy), 4 pages, 24 August 1857.
              (M1208)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">40.1</container>
            <unittitle>Pritchard, Eric. The date of the first photograph (newspaper clipping with
              marginal annotations), 1 page, 19 January 1908. (M1209)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">40.1</container>
            <unittitle>Richard and John Edward Taylor (Firm). Estimate from R. &amp; J. E. Taylor
              for printing magnetic observatory tables (copy), 1 page, 23 January 1841.
              (M1213)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">40.11</container>
            <unittitle>Rintoul, Robert. Memorial of the undersigned Robert Rintoul, Jr., 7 pages, 27
              March 1851. (M1211)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">40.1</container>
            <unittitle>R. M. The weather predicted for the year 1864 (printed), 1 page, December
              1863. (M1202)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">40.1</container>
            <unittitle>Royal Observatory, Greenwich. Queries proposed to Chambers of Commerce
              (copy), 1 sheet, probably 1850s or 1860s. (M1140)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle> </unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle>Sabine, Edward, Sir:</unittitle>
          </did>
          <c03>
            <did>
              <container type="Container">40.12</container>
              <unittitle>Estimate of the probable expense of these magnetic observations... (copy),
                3 pages, 12 April 1839. (M1214)</unittitle>
            </did>
          </c03>
          <c03>
            <did>
              <container type="Container">40.12</container>
              <unittitle>List of instruments ordered, 2 pages, undated, circa 1835.
                (M1158)</unittitle>
            </did>
          </c03>
          <c03>
            <did>
              <container type="Container">40.12</container>
              <unittitle>Regarding the desiderata of magnetic geography, 7 pages, 24 October 1837 or
                1838. Includes annotations by JFWH. (W0379)</unittitle>
            </did>
          </c03>
        </c02>
        <c02>
          <did>
            <container type="Container">40.13</container>
            <unittitle>Sharpe, M. P. R. Actinometric observations of M. P. R. Sharpe, 32 pages
              bound, 19 May 1849-19 July 1850. (W0073)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle>Smyth, W. H. (William Henry):</unittitle>
          </did>
          <c03>
            <did>
              <container type="Container">40.14</container>
              <unittitle>Plan of Captain Smyth's observatory at Bedford, 2 pages, 1825 or later.
                (M1216)</unittitle>
            </did>
          </c03>
          <c03>
            <did>
              <container>40.14</container>
              <unittitle>Synoptical catalogue of celestial objects, note on printed form, 4 pages,
                undated. (W0097)</unittitle>
            </did>
          </c03>
        </c02>
        <c02>
          <did>
            <unittitle>South, James:</unittitle>
          </did>
          <c03>
            <did>
              <container type="Container">40.15</container>
              <unittitle>The clock's daily rate and error at one time of the day being known
                (printed table), 12 pages, undated. Includes annotations by JFWH.
                (M1128)</unittitle>
            </did>
          </c03>
          <c03>
            <did>
              <container>40.15</container>
              <unittitle>Untitled speech (Sir William Herschel's first catalogue of new nebulae and
                clusters of stars amounting in number to 1000…) to Royal Astronomical Society, 4
                pages, 1828? (M1218)</unittitle>
            </did>
          </c03>
        </c02>
        <c02>
          <did>
            <unittitle> </unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle>Stratford, William Samuel:</unittitle>
          </did>
          <c03>
            <did>
              <container type="Container">40.16</container>
              <unittitle>The committee appointed at the Cambridge meeting of the British Association
                in 1845..., 2 pages, 9 September 1846. (M1219)</unittitle>
            </did>
          </c03>
          <c03>
            <did>
              <container type="Container">40.16</container>
              <unittitle>Diagram of the solar eclipse for London, 1 page, 8 July 1842.
                (M1220)</unittitle>
            </did>
          </c03>
          <c03>
            <did>
              <container type="Container">40.16</container>
              <unittitle>Notes on Lacaille's catalogue of stars, 3 pages, 1839 or later.
                (M1155)</unittitle>
            </did>
          </c03>
          <c03>
            <did>
              <container type="Container">40.16</container>
              <unittitle>Notes regarding Lacaille and Lalande's catalogue, 1 page, after 1844.
                (M1156)</unittitle>
            </did>
          </c03>
        </c02>
        <c02>
          <did>
            <container type="Container">40.1</container>
            <unittitle>Times (London, England). Calculating machinery (extract), 2 pages, circa
              1828. (M1210)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">40.1</container>
            <unittitle>Times (London, England). Newspaper clipping re: Mr. South's observatory
              (includes two typescript copies with extract from JFWH's diary), 2 pages and 1
              clipping, 20 March 1827. (M1176)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">40.1</container>
            <unittitle>Troughton, Edward. Spectrum of a small wax candle, 2 pages, before 1835.
              (M1221)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle> </unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle>Victoria, Queen of Britain:</unittitle>
          </did>
          <c03>
            <did>
              <container type="Container">40.17</container>
              <unittitle>Envelope with handwriting of Queen Victoria, 2 pages, 1868.
                (M1222)</unittitle>
            </did>
          </c03>
          <c03>
            <did>
              <container type="Container">40.17</container>
              <unittitle>Warrant appointing visitors to the Royal Observatory at Greenwich (form
                letter, copied by J. Bassell), 4 pages, 27 January 1838. (M1224)</unittitle>
            </did>
          </c03>
        </c02>
        <c02>
          <did>
            <container type="Container">40.1</container>
            <unittitle>William IV, King of Great Britain. Warrant appointing visitors to the Royal
              Observatory at Greenwich (form letter by Sir Robert Peel), 4 pages, 27 November 1830.
              (M1225)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">40.1</container>
            <unittitle>Winkup, Edmund L. Biographical notes on Mr. William Watson (typescript copy),
              1 page, circa 1900. (M1069)</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle> </unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle>Unidentified authors:</unittitle>
          </did>
          <c03>
            <did>
              <container type="Container">40.18</container>
              <unittitle>Account of visions, 4 pages, undated. (W0354.1)</unittitle>
            </did>
          </c03>
          <c03>
            <did>
              <container type="Container">40.18</container>
              <unittitle>Actinometer observations--Van Diemen's Island, 6 pages, 2 January-15 June
                1846. (M1133)</unittitle>
            </did>
          </c03>
          <c03>
            <did>
              <container type="Container">40.18</container>
              <unittitle>Analysis of magnetic correspondence, 3 pages, circa 1846.
                (M1134)</unittitle>
            </did>
          </c03>
          <c03>
            <did>
              <container type="Container">40.18</container>
              <unittitle>Astronomical notes, 4 pages, undated.</unittitle>
            </did>
          </c03>
          <c03>
            <did>
              <container type="Container">40.18</container>
              <unittitle>Astronomical works (notes and extracts), 3 pages, 22 May 1847.
                (M1149)</unittitle>
            </did>
          </c03>
          <c03>
            <did>
              <container type="Container">40.18</container>
              <unittitle>Cape of Good Hope horizontal force, 1 page, 1 July 1843-30 June 1846.
                (M1137)</unittitle>
            </did>
          </c03>
          <c03>
            <did>
              <container type="Container">40.18</container>
              <unittitle>Cape of Good Hope lunar diurnal variation of the declination, 1 half-sheet,
                1 July 1843-30 June 1846. (M1136)</unittitle>
            </did>
          </c03>
          <c03>
            <did>
              <container type="Container">40.18</container>
              <unittitle>Chemistry, 1 page, undated. (W0178)</unittitle>
            </did>
          </c03>
          <c03>
            <did>
              <container type="Container">40.19</container>
              <unittitle>Eclipse of the sun (photograph), undated. (M1145)</unittitle>
            </did>
          </c03>
          <c03>
            <did>
              <container type="Container">40.18</container>
              <unittitle>Elements of the minor planets, 1 page, July-October 1857.
                (W0106)</unittitle>
            </did>
          </c03>
          <c03>
            <did>
              <container type="Container">40.18</container>
              <unittitle>Elements of the new minor planets, 1 sheet, November 1854.
                (W0110)</unittitle>
            </did>
          </c03>
          <c03>
            <did>
              <container type="Container">40.18</container>
              <unittitle>The following rough experiments are to show…, 1 page, undated.</unittitle>
            </did>
          </c03>
          <c03>
            <did>
              <container type="Container">40.18</container>
              <unittitle>Historische notiz über das Eiscalorimeter (extract), 3 pages, circa 1871.
                (M1151) </unittitle>
            </did>
          </c03>
          <c03>
            <did>
              <container type="Container">40.18</container>
              <unittitle>It was the custom…, 4 pages, undated. (M1153)</unittitle>
            </did>
          </c03>
          <c03>
            <did>
              <container type="Container">40.18</container>
              <unittitle>Lunar gravitation and meteorology, 4 pages, undated. (M1160)</unittitle>
            </did>
          </c03>
          <c03>
            <did>
              <container type="Container">40.18</container>
              <unittitle>Mr. Granville Sharpe's evidence, 7 pages, undated. (M1147)</unittitle>
            </did>
          </c03>
          <c03>
            <did>
              <container type="Container">40.18</container>
              <unittitle>Observations with the magnetic transit at Port Louis Observatory, 6 pages,
                June, September, and December 1835. (M1167-M1169)</unittitle>
            </did>
          </c03>
          <c03>
            <did>
              <container type="Container">40.18</container>
              <unittitle>On the magnetic disturbances (printed with JFWH's annotations), 24 pages,
                undated. (M1162)</unittitle>
            </did>
          </c03>
          <c03>
            <did>
              <container type="Container">40.18</container>
              <unittitle>Plaster casts, 2 pages, undated. (M1171)</unittitle>
            </did>
          </c03>
          <c03>
            <did>
              <container type="Container">40.18</container>
              <unittitle>Queries to a civil engineer (draft), 4 pages, undated. (M1173)</unittitle>
            </did>
          </c03>
          <c03>
            <did>
              <container type="Container">40.18</container>
              <unittitle>Secondary spiral in fir cones (with diagram), 3 pages, undated (MW0010)
              </unittitle>
            </did>
          </c03>
          <c03>
            <did>
              <container type="Container">osf 17</container>
              <unittitle>Spectra primi ordinis nitrogenii sulphuris carbonis (lithograph), undated
                (probably not before 1837), 1 sheet.</unittitle>
            </did>
          </c03>
          <c03>
            <did>
              <container type="Container">40.18</container>
              <unittitle>Ten variable stars to be added to the catalogue of 53, 2 pages, November
                1856. (W0095) </unittitle>
            </did>
          </c03>
          <c03>
            <did>
              <container type="Container">40.18</container>
              <unittitle>Unidentified diagram, 2 pages, undated. (M1143)</unittitle>
            </did>
          </c03>
          <c03>
            <did>
              <container type="Container">40.18</container>
              <unittitle>Unidentified notes, 2 slips, undated. (M0955)</unittitle>
            </did>
          </c03>
          <c03>
            <did>
              <unittitle> </unittitle>
            </did>
          </c03>
        </c02>
        <c02 level="subseries">
          <did>
            <unittitle>
              <emph render="bold">Subseries B. Correspondence, </emph>
              <unitdate era="ce" calendar="gregorian" type="inclusive">
                <emph render="bold">1808-1860s</emph>
              </unitdate>
            </unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">41.1</container>
            <unittitle>A-K</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">41.2</container>
            <unittitle>Airy, George Biddell, Sir, 1842-1846</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">41.3</container>
            <unittitle>Fulton, Robert, 1808 </unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">41.4</container>
            <unittitle>Harness, H. D. (Henry Drury), 1851 and circa 1850s-1860s</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">41.5</container>
            <unittitle>L-Z</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">41.6</container>
            <unittitle>Trevelyan, Charles E. (Charles Edward), 1851-1858</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">41.7</container>
            <unittitle>Unidentified authors</unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle> </unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <unittitle>Original file folders:</unittitle>
          </did>
          <c03>
            <did>
              <container type="Container">42.1</container>
              <unittitle>With unidentified handwriting</unittitle>
            </did>
          </c03>
          <c03>
            <did>
              <unittitle>With JFWH's handwriting:</unittitle>
            </did>
            <c04>
              <did>
                <container type="Container">43.1</container>
                <unittitle>Astronomy</unittitle>
              </did>
            </c04>
            <c04>
              <did>
                <container type="Container">43.2</container>
                <unittitle>Miscellaneous</unittitle>
              </did>
            </c04>
            <c04>
              <did>
                <container type="Container">43.3-4</container>
                <unittitle>Royal Mint</unittitle>
              </did>
            </c04>
            <c04>
              <did>
                <unittitle>Large pasteboard folders:</unittitle>
              </did>
              <c05>
                <did>
                  <container type="Container">44.1</container>
                  <unittitle>W0069-W0071, W0075-W0083c and M1133</unittitle>
                </did>
              </c05>
              <c05>
                <did>
                  <container type="Container">44.2</container>
                  <unittitle>W0081-W0082</unittitle>
                </did>
              </c05>
              <c05>
                <did>
                  <container type="Container">44.3</container>
                  <unittitle>W0086-W0131</unittitle>
                </did>
              </c05>
              <c05>
                <did>
                  <container type="Container">44.4</container>
                  <unittitle>W0259-W0300</unittitle>
                </did>
              </c05>
              <c05>
                <did>
                  <container type="Container">44.5</container>
                  <unittitle>W0368-W0380</unittitle>
                </did>
              </c05>
              <c05>
                <did>
                  <container type="Container">44.6</container>
                  <unittitle>MW0008</unittitle>
                </did>
              </c05>
              <c05>
                <did>
                  <container type="Container">44.7</container>
                  <unittitle>MW0035-W0038; MW0059</unittitle>
                </did>
              </c05>
              <c05>
                <did>
                  <container type="Container">44.8</container>
                  <unittitle>MW0039; MW0045; W0245</unittitle>
                </did>
              </c05>
              <c05>
                <did>
                  <container type="Container">44.9</container>
                  <unittitle>MW0039; MW0051-MW0055; MW0058; MW0080; MW0088</unittitle>
                </did>
              </c05>
              <c05>
                <did>
                  <container type="Container">44.10</container>
                  <unittitle>MW0075; MW0083; W00357-W0359</unittitle>
                </did>
              </c05>
              <c05>
                <did>
                  <container type="Container">44.11</container>
                  <unittitle>MW0077-MW0078; W0161; W0196; W0187</unittitle>
                </did>
              </c05>
            </c04>
          </c03>
        </c02>
        <c02>
          <did>
            <unittitle> </unittitle>
          </did>
        </c02>
        <c02>
          <did>
            <container type="Container">45-47</container>
            <unittitle>Items in oversize boxes</unittitle>
          </did>
        </c02>
      </c01>
    </dsc>
    <odd type="index">
      <head>Index of Correspondents</head>
      <p>This alphabetical index of correspondents collates outgoing and incoming correspondence for
        the multiple creators and recipients of correspondence in the Herschel Papers. The principal
        authors and recipients of the correspondence are Sir John Frederick William Herschel (JFWH),
        Sir William Herschel (WH), and Caroline Lucretia Herschel (CLH), who are identified by their
        initials in the following index.</p>
      <p>For each name entry, box and folder number locations of items are followed by a description
        in parentheses that indicates the number of letters by a person (notated "from"), the name
        of the recipient (notated "to"), and the dates or span dates of the items, followed by the
        ID number previously used to identify the items.</p>
      <p>For example, in the first entry below for the Earl of Aberdeen, there are 10 letters from
        JFWH to Aberdeen; 3 letters from Aberdeen to JFWH; and 1 letter from Lady Margaret Herschel
        to Aberdeen.</p>
      <list>
        <item>Aberdeen, George Hamilton Gordon, Earl of, 1784-1860--24.2 (10 letters from JFWH,
          circa 1852-1855, L0001-L0009); 29.1 (3 letters to JFWH, 4-28 July 1853 and 9 February
          1855, M0001-M0002, M0210); 38.11 (1 letter from Lady Margaret Herschel, 30 June 1853,
          M0767)</item>
        <item>Abinger, Mr., fl. 1862--29.1 (1 letter to JFWH, circa 1862-1864, M0917)</item>
        <item>Addington, Henry Unwin, d. 1870--29.1 (1 letter to JFWH, 15 April 1845, M0003)</item>
        <item>Adolphus Frederick, Prince, Duke of Cambridge, 1774-1850--37.1 (1 letter from CLH, 3
          November 1835, M1077); 37.2 (2 letters to CLH, 9 October 1831 and 19 November 1835,
          M0717-M0718)</item>
        <item>Airy, George Biddell, Sir, 1801-1892--9.21 (on verso of MW0064: 1 form letter on
          weights and measures, undated); 24.3 (17 letters from JFWH, 1838-1867, L0010-L0027,
          L0595); 27.8 (on verso of W0970: 1 letter to JFWH, 16 April 1862); 27.8 (on verso of
          W0970: 1 incomplete letter to JFWH, 22 January 1862); 29.2-8 (85 letters to JFWH,
          1838-1870, M0626-M0645, M1174); 37.3 (1 letter to CLH, 25 November 1842, M0655); 41.2 (1
          letter to Earl of Ellenborough, 6 May 1846, M0653); 41.2 (1 letter to Baron Sidney
          Herbert, Herbert of Lea, 15 January 1845, M0654); 41.2 (2 letters to Sir Edward Sabine /
          copy forwarded to JFWH, 23 and 31 August 1842, M0647-8); 41.2 (1 letter / copy to Henry
          Thomas Lowry Corry, 19 March 1846, M0652)</item>
        <item>Airy, Richarda Smith, 1804-1875--38.11 (3 letters from Lady Margaret Herschel, 21
          November-16 December 1850, M0762-M0765)</item>
        <item>Albert, Prince Consort of Victoria, Queen of Great Britain, 1819-1861--24.1 (1 printed
          notice from JFWH, July 1839, L0768); 41.1 (1 letter / copy to the Vice Chancellor, 27 May
          1850, M0965)</item>
        <item>Allen, William H., fl. 1842--29.1 (1 letter to JFWH, 24 June 1842, M0004)</item>
        <item>Anderson, James J., fl. 1855--29.1 (1 letter to JFWH, 26 February 1855, M0005)</item>
        <item>Anderson, T. P.--24.4 (9 letters from JFWH, 18 February 1858-21 March 1867,
          L0028-L0034, L0636, L0757); 29.1 (1 letter to JFWH, 9 December 1864, M0006)</item>
        <item>Anderson, William George, 1804-1897--29.1 (1 letter to JFWH, 7 October 1852,
          M0918)</item>
        <item>Anhalt-Dessau, Frederica, Duchess of, 1796-1850--37.2 (1 letter to CLH, 6 June 1834,
          M0722)</item>
        <item>Arago, F. (François), 1786-1853--24.1 (3 letters / copies from JFWH, 26 April 1832-30
          October 1839, L0035-L0037)</item>
        <item>Arbuthnot, G. (George), 1802-1865--24.1 (1 letter from JFWH, 16 June 1853, L0038);
          29.9 (7 letters to JFWH, 20 May 1852-23 September 1853, M0007-M0013); 41.1 (1 letter to
          Harris, 25 June 1853, M0966)</item>
        <item>Asher and Co. (London)--12.1 (on verso of W0253-W0254: 1 letter to JFWH, 11 July
          1867)</item>
        <item>Atkinson, Jasper, 1790-1856--24.5 (7 letters / copies and drafts from JFWH, 25
          March-12 July 1851, L0039-L0045); 29.10 (13 letters to JFWH, 4 March-11 July 1851,
          M0014-M0026)</item>
        <item>Ayern, Thomas, fl. 1845--8.2-3 (on verso of W0245: 2 letters to JFWH, 25 June 1860 and
          10 January 1865)</item>
        <item>Ayrton, William, 1777-1858--41.1 (1 letter to Acton Smee Ayrton, 20 September 1858,
          M0967)</item>
        <item>Babbage, Charles, 1791-1871--24.8 (17 letters from JFWH, 7 January 1814-6 September
          1858, L0046-L0054); 29.12 (17 letters to JFWH, 6 September 1843-8 September 1863,
          M0027-M0037); 38.13 (1 letter to Lady Margaret Herschel, 29 July 1821, M0968); 39.2 (1
          letter from Mary Pitt Herschel, 9 July 1821, M0613); 41.1 (1 letter to Hugh Percy, Duke of
          Northumberland, 3 September 1838, M0969); 41.1 (1 letter / copy or draft to Sir Robert
          Peel, 30 August 1822, M0970)</item>
        <item>Babbage, Georgiana Whitmore, d. 1827--24.6 (1 letter from JFWH, undated, L0055)</item>
        <item>Bache, A. D. (Alexander Dallas), 1806-1867--41.1 (3 letters to Sir Edward Sabine, 12
          August 1859, 13 April and 25 June 1860, M0971)</item>
        <item>Baillie, Agnes, 1760-1861--24.6 (1 letter from JFWH, 13 November 1839, L0749.2)</item>
        <item>Baillie, G., fl. 1854--24.6 (1 letter from JFWH, September 1854, L0084)</item>
        <item>Baily, Francis, 1774-1844--24.6 (1 letter from JFWH, 8 July 1840, L0056); 29.13 (4
          letters / 1 extract to JFWH, 6 April 1831-16 December 1843, M0038-M0040); 37.1 (2 letters
          from CLH, 2 April 1835 and 15 February 1836, M1075-M1076); 37.2 (2 letters to CLH, 17
          March 1835 and 29 January 1836, M0715-M0716)</item>
        <item>Baldwin, Mary, b. 1787--24.9 (21 letters from JFWH, 6 August 1824-7 September 1868,
          L0057-L0078); 37.4 (17 letters / with copies and 1 extract to CLH, includes newspaper
          clipping, 15 July 1824-10 April 1838, M0687-M0708, M1086); 39.2 (4 letters from Mary Pitt
          Herschel, 1808, 1816, and 1820, M0614-M0616)</item>
        <item>Baldwin, Sophia--37.5 (6 letters to CLH, November 1800-2 September 1816, M0709-M0710,
          M0713-M0714); 39.7 (1 letter plus partial transcription to Mary Baldwin (b. 1787), 5
          November 1809, M0711-M0712)</item>
        <item>Baldwin, Thomas, d. 1821--24.6 (1 letter from JFWH, 18 May 1808, L0079); 39.2 (1
          letter / copy from JFWH, 1808, M0616)</item>
        <item>Ball, Robert S. (Robert Stawell), Sir, 1840-1913--38.13 (1 letter to Lady Margaret
          Herschel, 11 January 1882, M0972)</item>
        <item>Banks, John, fl. 1871--29.11 (2 letters to JFWH, 25 April and 2 May 1871,
          M0041-M0042)</item>
        <item>Banley, J. Gomez--29.11 (2 letters to JFWH, circa 1853 and 30 December 1865,
          L0724-L0725)</item>
        <item>Barnard, C., fl. 1853--24.6 (1 letter from JFWH, 21 December 1853, L0080)</item>
        <item>Barrow, Henry, fl. 1845--29.11 (1 letter to JFWH, 15 February 1845, M0043)</item>
        <item>Barton, William Henry, 1802-1868--24.10 (8 letters from JFWH, 16 May 1850-1855,
          L0081-L0083, L0604, L0629, L0676, L0711, L0720); 29.14 (9 letters to JFWH, 1855,
          M0044-M0052)</item>
        <item>Bateson, William Henry, 1812-1881--29.11 (On verso of M0130: 1 letter / draft from
          JFWH, 11 May 1855); 29.15 (31 letters to JFWH, 12 November 1850-10 May 1855,
          M0053-M0057)</item>
        <item>Baxendell, Joseph, 1815-1887--9.16 (on verso of W0246: 1 form letter to JFWH, 22
          December 1863)</item>
        <item>Bayley--39.7 (1 letter from unidentified Herschel, 27 July 1867, M1095)</item>
        <item>Beaufort, Francis, Sir, 1774-1857--24.6 (4 letters from JFWH, 29 April 1850-1852,
          L0085-L0087, L0759); 29.16 (14 letters to JFWH, 28 June 1827-22 April 1852,
          M0058-M0071)</item>
        <item>Becher, A. B. (Alexander Bridport), 1796-1876--29.17 (5 letters to JFWH, 13 June
          1857-15 May 1863, M0072-M0076)</item>
        <item>Beckedorff, Sophie, fl. 1848--24.6 (1 letter from JFWH, 12 January 1848, L0088); 29.11
          (2 letters to JFWH, 2 November 1847 and 7 January 1848, M0077-M0078); 38.13 (letters to
          Lady Margaret Herschel, 1846-1848, M0973)</item>
        <item>Beckwith, Thomas, fl. 1822--29.11 (1 letter to JFWH, 23 August 1822, M0079)</item>
        <item>Bell, Mr., fl. 1860--24.6 (1 letter from JFWH, 8 January 1860, L0089)</item>
        <item>Bell, John, Sir, 1782-1876--29.11 (1 letter to JFWH, 5 December 1850, M0909)</item>
        <item>Bell, Thomas, 1792-1880--24.6 (1 letter / draft from JFWH, 3 March 1853, L0090)</item>
        <item>Beresford Hope, A. J. B. (Alexander James Beresford), 1820-1887--12.19 (on verso of
          MW0056: 1 letter to JFWH, 3 December 1860); 24.6 (1 letter / copy from JFWH, 6 April 1868,
          L0091); 29.18 (5 letters to JFWH, 1868-1871, M0082-M0086)</item>
        <item>Best, George, Baron, 1756-1823--41.1 (1 letter to Mr. March re WH, September 1822,
          M0974)</item>
        <item>Bethune, John Elliot Drinkwater, 1801-1851--30.7 (2 letters to JFWH, 9 June 1838 and
          14 January 1842, M0080-M0081; includes 1 printed letter to the Chancellor of the
          Exchequer, 21 December 1841)</item>
        <item>Bingley, Henry--24.11 (11 letters / 3 drafts from JFWH, 4 February-17 September 1851,
          L0092-L0099, L0615, L0648-L0649); 29.19 (13 letters to JFWH, 19 March 1851-16 September
          1851, M0087-M0100)</item>
        <item>Birch, Samuel, 1813-1885--12.19 (on verso of MW0056: 1 letter to JFWH, 18 January
          1866)</item>
        <item>Birt, William Radcliffe, 1804-1881--24.6 (1 letter from JFWH, 16 June 1850, L0100);
          29.20 (4 letters to JFWH, 24 May 1848-19 June 1856, M0101-M0104); 41.1 (1 letter / copy to
          Sir Edward Sabine, 31 My 1848, M0975)</item>
        <item>Bishop, George, 1785-1861--29.11 (1 letter to JFWH, 24 March 1846, M0105)</item>
        <item>Blackburn, Bewicke, fl. 1864--29.11 (1 letter to JFWH, 12 April 1864, M0106)</item>
        <item>Blagden, Charles, Sir, 1748-1820--35.5 (1 letter from WH, 4 February 1785)</item>
        <item>Blakiston, Thomas Wright, 1832-1891--41.1 (1 letter / copy to Sir Edward Sabine, 17
          May 1860, M0976)</item>
        <item>Blanford, Henry F. (Henry Francis), 1834-1893--26.9 (on verso of M0107: 1 form letter,
          12 October 1866)</item>
        <item>Boileau, J. T. (John Theophilus), 1805-1886--29.11 (1 letter to JFWH, 24 January 1840,
          M0108)</item>
        <item>Bold, S. fl. 1846--29.11 (1 letter to JFWH. 8 September 1846 and 22 September 1847,
          M0109)</item>
        <item>Bond, George Phillips, 1825-1865--29.11 (2 letters / photocopies to JFWH, 24 October
          and 4 December 1863; originals bound in Q 113 H571m, vol. 1, pages 391-393)</item>
        <item>Bond, William Cranch, 1789-1859--29.11 (2 letters to JFWH, 7 March 1839 and 26 June
          1849, M0112-M0113)</item>
        <item>Booth, James, 1806-1878--24.6 (1 letter from JFWH, 2 December 1856, L0101)</item>
        <item>Borden, Gail, 1801-1874--29.11 (1 letter to JFWH, 28 June 1851, M0919); 29.11 (on
          verso of W0963c: 1 letter / photocopy to JFWH)</item>
        <item>Bourke, Richard, Sir, 1777-1855--29.11 (1 letter to JFWH, 16 August 1839,
          M0114)</item>
        <item>Bourne, John S.--29.11 (1 letter to JFWH, 23 January 1870, M0115)</item>
        <item>Bramley, Audrey Jennings--39.5 (1 letter to Sir William James Herschel, 11 July
          1917)</item>
        <item>Brande, Frederick Robert, b. 1829--29.11 (1 copy of memorial to treasury to JFWH, 21
          February 1855, M0920)</item>
        <item>Brande, William Thomas, 1788-1866--24.12 (17 letters from JFWH, 30 February 1850-6
          March 1854, L0102-L0109, L0666.1, L0695, L0671, L0701, L0718); 29.21 (13 letters to JFWH,
          20 November 1850-18 March 1855, M0116-M0126)</item>
        <item>Brayley, E. W. (Edward William), 1802-1870--29.11 (1 letter to JFWH, 15 July 1846,
          M0130)</item>
        <item>Brewster, David, Sir, 1781-1868--24.7 (3 letters / typescript copies and draft from
          JFWH, 11 January-14 July 1819, 1824, L0110-L0112); 29.11 (1 letter to JFWH, 19 July 1850,
          M0127)</item>
        <item>Briggs, John Thomas, 1781-1865--41.1 (1 letter to Sir Francis Beaufort, 25 April 1850,
          M0977)</item>
        <item>British Association for the Advancement of Science--see Griffith, George</item>
        <item>Brodie, Benjamin C. (Benjamin Collins), Sir, 1817-1880--29.11 (2 letters to JFWH, 15
          August 1859 and 12 June 1860, M0128-M0129)</item>
        <item>Bromley, Richard Madox, 1813-1865--24.7 (2 letters / draft from JFWH, 11 February
          1854, L0113)</item>
        <item>Broughton, John Cam Hobhouse, Baron, 1786-1869--24.7 (1 letter / copy from JFWH, 4
          June 1839, L0194); 29.11 (1 letter to JFWH, 27 May 1839, M0277)</item>
        <item>Buckle, William, 1794-1863--24.7 (3 letters from JFWH, 10 April 1851-20 July 1853,
          L0114-L0116)</item>
        <item>Bullar, John, 1774-1864--29.11 (1 letter to JFWH, 22 September 1859, M0922)</item>
        <item>Bunsen, Christian Karl Josias, Freiherr von, 1791-1860--24.7 (2 letters from JFWH, 30
          January 1854, L0117-L0118)</item>
        <item>Burne, R. V. H.--41.1 (1 letter / fragment to unidentified, undated, M0978)</item>
        <item>Butler, Pierce, 1826-1868--24.7 (1 letter / draft from JFWH, 5 December 1867, L0119);
          29.11 (2 letters to JFWH, 9 and 12 December 1867?, M0131-M0132)</item>
        <item>Cacciatore, Niccolò, 1780-1841--30.1 (1 letter / report to JFWH, June 1824,
          M1166)</item>
        <item>Caldwell, Captain, fl. 1836--24.13 (1 letter from JFWH, 5 January 1836, L0120)</item>
        <item>Cameron, Julia Margaret, 1815-1879--30.1 (1 letter to JFWH, 15 January 1851,
          M0133)</item>
        <item>Chappell, fl. 1852--38.13 (1 letter to Lady Margaret Herschel, 14 May 1852,
          M0979)</item>
        <item>Charlotte Augusta, Princess of Great Britain, 1796-1817--41.1 (1 note to Mr.
          Griesbach, circa 1814, M0980)</item>
        <item>Cheltenham (England), postmaster--14.33 (on verso of W0368: 1 letter to Lady Margaret
          Herschel, 12 March 1844, with note from her to JFWH)</item>
        <item>Children, J. G. (John George), 1777-1852--24.13 (1 letter from JFWH, 26 October 1831,
          L0125); 30.1 (1 letter to JFWH, 28 June 1827, M0923)</item>
        <item>Christie, Samuel Hunter, 1784-1865--24.13 (2 letters from JFWH, 29 June 1840 and 16
          November 1841, L0126-L0127)</item>
        <item>Chubb, Hammond, fl. 1870--24.13 (2 letters / copies from JFWH, 10 February 1870,
          L0128-L0129); 30.21 (4 letters to JFWH, 3-23 February 1870, M0137-M0140); 30.21 (on verso
          of M0140: 1 letter / copy from JFWH, 24 February 1870)</item>
        <item>Clarke, Edward Daniel, 1769-1822--30.2 (4 letters / copies to JFWH, circa 1816-12
          March 1817, M0141-M0144)</item>
        <item>Clerk, George, 1787-1867--30.1 (1 letter to JFWH, 22 June 1843, M0924)</item>
        <item>Clerke, Agnes M. (Agnes Mary), 1842-1907--39.5 (1 letter from Sir William James
          Herschel, 5 May 1889, M0806); 39.5 (2 letters to Sir William James Herschel, 19 April and
          14 May 1889, M0981)</item>
        <item>Cole, James H., fl. 1851--30.3 (3 letters to JFWH, 4-25 November 1851,
          M0146-M0148)</item>
        <item>Cole, Thomas, fl. 1852--30.1 (2 letters to JFWH, 22 and 29 April 1852,
          M0149-M0150)</item>
        <item>Collins, Thomas, fl. 1847--24.13 (1 letter / copy from JFWH, 14 June 1847,
          L0130)</item>
        <item>Committee for Rebuilding London Bridge--24.13 (1 letter / copy from JFWH, 3 June circa
          1824-1831, L0228)</item>
        <item>Copeland, H.--38.13 (1 letter to Lady Margaret Herschel, 1 March 1842, M0982)</item>
        <item>Cornwallis, Miss--24.13 (2 letters from JFWH, 17 January 1853 and 27 January 1854,
          L0131-L0132)</item>
        <item>Cottans &amp; Hallen, Engineers--24.13 (1 letter with abstracts from JFWH, 21 December
          1854, L0713)</item>
        <item>Courtney, R.--30.1 (1 letter to JFWH, 14 March 1850, M0151)</item>
        <item>Cowie, B. M. (Benjamin Morgan), 1816-1900--30.1 (1 form letter to JFWH, circa 1846 or
          earlier, M0152)</item>
        <item>Cruickshank, John, 1787-1875--30.1 (1 letter to JFWH, 1 March 1843, M0154)</item>
        <item>Cunningham, Allan, 1784-1842--28.8 (on verso of L0492: 1 letter to Mrs. Emilia
          Stewart, 2 September 1830)</item>
        <item>d'Arrest, Heinrich Louis, 1822-1875--24.15 (3 letters / copies from JFWH, 1862-1864,
          L0135-L0136, L0749.6); 31.16 (on verso of M0347 and M0350: 1 letter / draft from JFWH, 17
          October 1862)</item>
        <item>Daily news (London, England)--24.14 (2 letters from JFWH, 27 May 1865, 20 May 1868,
          L0134, L0735)</item>
        <item>Daniell, J. Frederic (John Frederic), 1790-1845--30.4 (1 letter to JFWH, 7 February
          1845, M0155)</item>
        <item>Darwin, Charles, 1809-1882--30.4 (1 letter / photocopy to JFWH, 11 November 1859.
          Original letter in Charles Darwin Collection at Ransom Center.)</item>
        <item>Daubeny, Charles, 1795-1867--30.4 (1 printed letter to JFWH, 16 November 1866,
          M0156)</item>
        <item>Davenport, Mrs., fl. 1818--8.2-3 (on verso of W0245: 1 letter / copy from WH, 1 June
          1818)</item>
        <item>Davies, Gilbert, 1767-1839--9.16 (on verso of W0246: 1 letter to JFWH, 14 June 1838);
          30.4 (1 letter to JFWH, 14 June 1838, W0246); 30.4 (1 letter to JFWH, 28 June 1827,
          M0930)</item>
        <item>Dawes, William Rutter, 1799-1868--30.5 (6 letters to JFWH, 21 July 1843-circa 26
          December 1855, M0157-M0161, M1139)</item>
        <item>De Grave--41.7 (1 letter from unidentified, 1840s or later, M0983)</item>
        <item>De La Pryme, Charles, 1815-1899--30.4 (1 letter to JFWH, 15 January 1856,
          M0162)</item>
        <item>De Morgan, Augustus, 1806-1871--30.4 (1 letter to JFWH, 1 October 1857, M0163); 37.2
          (1 letter to CLH, 13 February 1835, M0719)</item>
        <item>Dollond, George, 1774-1852--24.16 (4 letters from JFWH, 15-29 December 1842 and 4
          January 1843, L0137-L0140); 30.6 (5 letters to JFWH, 19 December 1842-6 January 1843,
          M0164-M0168)</item>
        <item>Douglas, Mrs., fl. 1851--38.11 (1 letter from Lady Margaret Herschel, 11 December
          1851, M0766)</item>
        <item>Dovrell, E. R.--30.4 (1 letter to JFWH, 1 January 1851, M0169)</item>
        <item>Drummond?, _____--8.1 (on verso of MW0039: 1 letter to JFWH, 7 January 1863)</item>
        <item>Drummond's Bank--30.4 (1 letter to JFWH, 21 December 1847, M0170)</item>
        <item>Duff-Gordon, Alexander Cornewall, Sir, 1811-1872--30.4 (1 letter to JFWH, 26 November
          1850, M0171)</item>
        <item>Dunlop, James, 1795-1848--24.13 (1 letter / copy from JFWH, 5 December 1837,
          L0145)</item>
        <item>Dyer, H. Moreton--30.4 (1 letter to JFWH, 16 January 1839, M0172)</item>
        <item>Dyson, T.--30.4 (1 letter to JFWH, 10 July 1842, M0173)</item>
        <item>Eardley-Wilmot, Frederick Marow, 1812-1877--30.8 (2 letters to JFWH, 7 March-15 April
          1841, M0174-M0175); 30.8 (1 letter to François Arago, 15 April 1841, M0175
          (enclosure))</item>
        <item>East India Company--24.13 (1 letter from JFWH, July 1845, L0133)</item>
        <item>Eden, Arthur--1.28 (on verso of W0114: 1 letter to JFWH, 9 November 1859)</item>
        <item>Edmondson--41.1 (1 letter / copy? to Mr. Saunders, 25 November 1829, M0984)</item>
        <item>Edward Augustus, Prince, Duke of Kent, 1767-1820--35.6 (1 letter to WH, 19 January
          1809, M1010)</item>
        <item>Elfreich, L.--41.1 (1 letter to unidentified, 8 March 1871, M0985)</item>
        <item>Elizabeth, Princess of England, 1770-1840--37.2 (1 letter to CLH, 10 June 1834,
          M0760)</item>
        <item>Ellis, Alexander John, 1814-1890--30.9 (3 letters, 12-21 March 1851 and 24 July 1852,
          M0176-M0178)</item>
        <item>Empson, W. (William), 1791-1852--24.13 (1 letter from JFWH, 27 July 1850, L0146); 30.8
          (1 letter to JFWH, 7 August 1850, M0179)</item>
        <item>Encke, Johann Franz, 1791-1865--30.8 (1 letter to JFWH, 30 May 1826, M0180); 37.2 (2
          letters to CLH, 17 August 1831-6 March 1836, M0720-M0721)</item>
        <item>Enfield, Edward, 1811-1880--24.13 (1 letter / draft from JFWH, 15 March 1851, L0147);
          30.10 (on verso of M0184: 1 letter / copy from JFWH, 5 April 1851); 30.10 (5 letters from
          JFWH, circa 1851-4 October 1859, M0181-M0185)</item>
        <item>Englefield, Henry, Sir, 1752-1822--35.6 (1 letter to WH, 20 January 1808,
          M0986)</item>
        <item>Eyres, Charles, 1809-1876--30.8 (1 letter to JFWH, 17 September 1850, M0186)</item>
        <item>Faraday, Michael, 1791-1867--24.17 (1 letter / typescript copy from JFWH, 4 July 1826,
          L0148); 30.8 (1 letter to JFWH, 7 May 18__, M0187)</item>
        <item>Featherstonhaugh, George William, 1780-1866--8.2-3 (on verso of W0245: 1 letter to
          JFWH, 6 November 1827)</item>
        <item>Ferguson, William?--2.30 (on verso of W0142: 1 letter to JFWH, undated (but marked
          answered 19 February 1841))</item>
        <item>Few &amp; Co., London--24.17 (1 letter / copy from JFWH, 17 November 1864, L0149);
          30.11 (4 letters, 8 August 1863-18 November 1864, M0188-M0191)</item>
        <item>Field, Henry William, 1803-1888--15.22 (on verso of W0209: 1 letter to JFWH, undated);
          24.17 (3 letters / copy and drafts from JFWH, 8 October 1852-29 March 1855, 16 January
          1869, L0150-L0152); 30.12 (5 letters, 14 March 1855-26 January 1869, M0192-M0196)</item>
        <item>Field, Joshua, 1787?-1863--41.1 (2 letters to Henry Drury Harness, 4 July 1851,
          M0987)</item>
        <item>Finch, Henry, b. 1831?--24.18 (4 letters from JFWH, 19 July 1852, 18-19 February 1853,
          14 February 1854, L0153-L0156); 30.13 (on verso of M0199: 1 letter / copy from JFWH, 21
          October 1853); 30.13 (4 letters to JFWH, 14 July-24 October 1853, M0197-M0200)</item>
        <item>Fitzgerald, Frederick, fl. 1853--30.8 (1 letter to JFWH, 16 August 1853, M0201)</item>
        <item>Forbes, James David, 1809-1868--24.17 (3 letters / 2 typescript copies from JFWH, 3
          March-10 June 1840 and 15 November 1842, L0157-L0159); 30.8 (1 letter to JFWH, 12 June
          1845, M0202); 33.13 (on verso of M0145: 1 letter / copy to Sir Edward Sabine, 11 June
          1840)</item>
        <item>Forbes, John, 1801-1874--30.8 (2 letters to JFWH, 25 and 31 May 1848,
          M0203-M0204)</item>
        <item>Franklyn, Richard, b. 1797--24.17 (2 letters / copies from JFWH, 20 March and 12 May
          1851, L0160, L0756); 30.14 (4 letters to JFWH, 17 March-22 April 1851, M0925-M0928)</item>
        <item>Frener, Juan Bautista, 1821-1892--30.8 (1 letter to JFWH, 14 September 1854,
          M0929)</item>
        <item>Fuller, Stephen, fl. 1784--9.16 (on verso of W0246: 1 letter to WH, November
          1784)</item>
        <item>Fulton, Robert, 1765-1815--41.3 (1 letter to John Conrad, "Method of Heating Vats by
          Steam," 15 July 1808, W0083e)</item>
        <item>Gassiot, John P. (John Peter), 1797-1877--2.26 (on verso of W0116: 1 letter to JFWH,
          11 November 1859)</item>
        <item>Gauss, Carl Friedrich, 1777-1855--37.1 (1 letter from CLH, 8 September 1825, M1079);
          37.2 (1 letter to CLH, 1825, M0723)</item>
        <item>Gemmellaro, Carlo, 1787-1866--30.8 (1 letter to JFWH, 8 July 1824, M0952)</item>
        <item>Gemmellaro, Mario, 1773-1839--30.8 (2 letters to JFWH, 8 July 1824 and 3 November
          1827, M0398-M0399)</item>
        <item>Gibbs, Frederick Waymouth, 1821-1898--30.15 (3 letters to JFWH, 10 May-27 September
          1853, M0205-M0207)</item>
        <item>Gibson, Thomas Milner, 1806-1884--24.17 (1 letter from JFWH, 16 May 1860, L0161);
          24.17 (on verso of L0161: 1 letter to JFWH, 14 May 1860)</item>
        <item>Gill, David, Sir, 1843-1914--41.1 (1 letter to unidentified, undated, M0954)</item>
        <item>Gladstone, W. E. (William Ewart), 1809-1898--24.19 (5 letters / drafts and copies from
          JFWH, 23 July 1853-23 January 1855, L0162-L0166); 30.8 (1 letter to JFWH, 5 September
          1854, M0208); 41.1 (1 note / copy to Lady Charlotte Gordon, 22 July 1862, M0988)</item>
        <item>Good, William--9.16 (on verso of W0246: 1 letter to Lady Margaret Herschel,
          undated)</item>
        <item>Goodall, Joseph, 1760-1840--24.17 (1 letter from JFWH, circa 1819)</item>
        <item>Goodwin, Charles William--30.8 (1 letter to JFWH, 17 October 1854, M0209)</item>
        <item>Gordon, James A., 1791-1854--24.17 (1 letter from JFWH, 7 February 1851, L0168); 30.8
          (2 letters to JFWH, 5 February 1851 and 15 February 1853, M0931-M0932)</item>
        <item>Gosset, Mrs.--41.1 (1 letter / extract to unidentified, undated, M0990)</item>
        <item>Gould, Lydie--15.32 (on verso of W0177: 1 letter to JFWH, 14 May 18__)</item>
        <item>Graham, Anne, fl. 1822--41.1 (1 letter to Miss Baldwin, 2 September 1822,
          M0991)</item>
        <item>Graham, John, 1794-1865--24.17 (1 letter / draft from JFWH, 10 October 1850, L0170);
          30.16 (4 letters to JFWH, 25 September 1850-30 October 1850, circa 1850-1852, M0214-M0216,
          M0915); 38.14 (1 letter from Margaret Louisa Herschel, October 1850, M0801)</item>
        <item>Graham, Thomas, 1805-1869--30.8 (2 letters to JFWH, 14 April 1845 and 25 February
          1855, M0217-M0218); 30.8 (on verso of M0218: 1 note / copy from JFWH, 27 February 1855);
          41.7 (obituary notice for Thomas Graham, undated, M1191)</item>
        <item>Grahame, James, 1790-1842--24.17 (1 letter / copy from JFWH, 14 May 1838, includes
          notes, L0169); 30.17 (2 letters to JFWH, 2 September 1822 and 1 January 1834,
          M0211-M0213)</item>
        <item>Graves, Robert Perceval, 1810-1893--41.1 (1 letter to unidentified, 21 May 1889,
          M0992)</item>
        <item>Graves, W., fl. 1853-1854--24.17 (3 letters / copies from JFWH, 22-25 November 1853
          and 9 February 1854, L0171-L0173)</item>
        <item>Great Britain. Royal Mint--27.5 (42 letters / copies and drafts from JFWH to
          unidentified staff, 1853-1867, L0596-L0597, L0608, L0610-L0612, L0614, L0616-L0617,
          L0619-L0622, L0627, L0633, L0651, L0658-L0660, L0663-L0665, L0667, L0670, L0685,
          L0687-L0688, L0690-L0692, L0694, L0700, L0703-L0704, L0708-L0709, L0717, L0719,
          L0750)</item>
        <item>Greatheed, Bertie, 1759-1826--41.1 (1 letter to Charles Babbage, 5 September 1822,
          M0993)</item>
        <item>Green &amp; Co. (Cockspur St.)--30.8 (1 letter to JFWH, 11 July 1848, M0219)</item>
        <item>Greenwood, T. (Thomas), 1790-1871--8.2-3 (on verso of W0245: 1 letter to JFWH, 14 June
          1826)</item>
        <item>Greig, Agnes, 1801-1874--38.13 (1 letter to Lady Margaret Herschel, 11 December 1850,
          M0994)</item>
        <item>Gretton, F. Z.--38.6 (1 letter / copy to Isabella Herschel, 3 January 1890,
          M0995)</item>
        <item>Grenville, Richard, 1823-1889; also known as Buckingham and Chandos, Richard
          Plantagenet Campbell Temple-Nugent-Brydges-Chandos-Grenville, Duke of--24.20 (4 letters
          from JFWH, 17 May 1852-11 January 1855, L0121-L0124); 29.22 (3 letters to JFWH, 4-19 May
          1852, M0134-M0136)</item>
        <item>Greville, Charles, 1794-1865--24.17 (1 letter from JFWH, 24 June 1854, L0174)</item>
        <item>Grey, George, Sir, 1799-1882--24.17 (1 letter / copy from JFWH, 24 November 1850,
          L0175)</item>
        <item>Griffith, George, fl. 1870--24.17 (1 letter from JFWH, 7 October 1870, L0176); 30.18
          (3 letters to JFWH, 6, 10 and 29 October 1870, M0220-M0222); 30.18 (on verso of M0222: 1
          letter from JFWH, 3 November 1870); 30.18 (9 letters to JFWH, 1845-1871, M0921)</item>
        <item>Griffith, John, fl. 1858--30.8 (1 letter to JFWH, 13 October 1858, M0933)</item>
        <item>Grove, W. R. (William Robert), 1811-1896--8.2-3 (on verso of W0245: 2 formal notices
          to JFWH, undated)</item>
        <item>Grubb, Thomas, 1800-1878--30.8 (1 letter to JFWH, 17 April 1839, M1194)</item>
        <item>Haggard, William Debonaire, d. 1886--30.19 (3 letters to JFWH, 21-28 January 1851,
          M0223-M0225); 30.19 (on verso of M0225: 1 note / copy from JFWH, 29 January 1851)</item>
        <item>Halkitt, E., Miss--37.1 (1 letter from CH, includes newspaper clipping, April
          1840)</item>
        <item>Halle, H. Fraser, 1808-1886--2.13 (on verso of W0120: 1 letter to JFWH, 25 September,
          1845)</item>
        <item>Hamilton, George Alexander, 1802-1871--25.1 (1 letter from JFWH, 28 January 1864,
          L0177); 30.19 (2 letters to JFWH, 25 January and 4 February 1864, M0226-M0227)</item>
        <item>Hamilton, William Alexander Baillie, 1803-1881--25.1 (1 letter / draft from JFWH, 6
          January 1854, L0178); 30.20 (10 letters to JFWH, 19 February 1851-20 April 1852,
          M0228-M0237); 30.20 (on verso of M0235: 1 letter / copy from JFWH, 29 April 1852); 41.1 (2
          letters to Sir George Biddell Airy, 6 and 19 December 1845, M0996)</item>
        <item>Hamilton, William Richard, 1777-1859--25.1 (3 letters / drafts /copies from JFWH, 22
          April-3 November 1852, L0179-L0181)</item>
        <item>Hamilton, William Rowan, Sir, 1805-1865--30.19 (1 letter to JFWH, 27 May 1846,
          M0934)</item>
        <item>Hamilton-Gordon, Alexander, 1817-1890--25.1 (1 letter from JFWH, 2 January 1853,
          L0167)</item>
        <item>Hankey, Thomson, 1805-1893--25.1 (1 letter / draft from JFWH, 19 January 1870, L0182);
          30.19 (1 letter to JFWH, 18 January 1870, M0238)</item>
        <item>Hankins, Richard, fl. 1850--30.19 (1 letter to JFWH, 2 December 1850, M0239)</item>
        <item>Hardcastle, Edward, 1826-1905--30.19 (1 letter to JFWH, 11 January 1870, M0240)</item>
        <item>Hardcastle, Henry, 1840-1922--30.19 (1 letter to JFWH, 18 January 1870, M0246)</item>
        <item>Hardcastle, Joseph Alfred, 1815-1899--30.22 (5 letters to JFWH, 10 December 1867-11
          January 1870, M0241-M0245)</item>
        <item>Harness, H. D. (Henry Drury), 1804-1883--25.2 (18 letters / drafts and copies from
          JFWH, 1850-21 December 1854, L0141, L0183-L0185, L0650, L0654, L0669); 30.23-24
          (approximately 145 letters to JFWH, 3 December 1850-30 July 1853, M0250-M0268); 33.2 (on
          verso of M0490: 1 letter / copy from JFWH, 22 January 1851); 41.4 (4 letters to various
          recipients, M0997-M1000)</item>
        <item>Harris, C., Mrs.--30.19 (1 letter to JFWH, 19 December 1845, M0247)</item>
        <item>Harris, James, fl. 1853--13.7 (on verso of W0972: 1 letter to JFWH, 28 June
          1853)</item>
        <item>Harris, Mary Ann--12.2 (on verso of W0255: 1 letter / incomplete to JFWH,
          undated)</item>
        <item>Harris, Mr., fl. 1853--25.1 (1 letter / copy from JFWH, 1 October 1853, L0186)</item>
        <item>Harris, W. Snow (William Snow), Sir, 1791-1867--25.1 (1 letter / copy from JFWH, 1
          December 1851, L0655)</item>
        <item>Hart, Horace, 1840-1916--39.5 (1 letter to Sir William James Herschel, 27 May 1911,
          M1001)</item>
        <item>Hartley, William, fl. 1864--30.19 (1 letter / draft to JFWH, 12 November 1864,
          M0935)</item>
        <item>Harwood, Philip, 1809-1887--30.19 (1 letter to JFWH, 9 May 1871, M0248)</item>
        <item>Hawes, B. (Benjamin), 1797-1862--25.1 (1 letter / draft from JFWH, 18 January 1855,
          L0187)</item>
        <item>Hawkins, Edward, 1780-1867--30.19 (1 letter to JFWH, 6 January 1851, M0249)</item>
        <item>Haygarth, John, 1740-1827--37.2 (1 letter to CLH, 18 August 1817, M0724)</item>
        <item>Hayter, William Goodenough, Sir, 1792-1878--25.1 (1 letter / draft from JFWH, 8
          February 1853, L0188)</item>
        <item>Hearn, John, fl. 1859--30.19 (1 letter to JFWH, 2 October 1851, M0269)</item>
        <item>Hebeler, B.--30.19 (1 letter to JFWH, 3 September 1851, M0270)</item>
        <item>Henderson, Thomas, 1798-1844--30.19 (1 letter to JFWH, 8 September 1840, M0271)</item>
        <item>Heney, John, 1821-1909--30.19 (1 letter to JFWH, undated, M1002)</item>
        <item>Henning, Alexander--12.29 (on verso of W0963c: 1 letter from JFWH, 7 April
          1851)</item>
        <item>Herbert of Lea, Sidney Herbert, Baron, 1810-1861--41.1 (1 letter to Spencer Joshua
          Alwyne Compton, Marquis of Northampton, undated, M1003)</item>
        <item>Her Majesty's Service--43.3 (1 envelope to JFWH, undated, M0911)</item>
        <item>Herschel, A. S. (Alexander Stewart), 1836-1907--25.3 (1 letter from JFWH, 23 June
          1861, L0523)</item>
        <item>Herschel, Anna Ilse Moritzen--30.19 (1 letter to John Alexander Herschel, 1782,
          M0810)</item>
        <item>Herschel, Anne Emma Haldane Hardcastle, d. 1873--38.11 (3 letters from Lady Margaret
          Herschel, 3 January and 25 August 1866, 31 August 1867, M0768-M0770)</item>
        <item>Herschel, Carl Christian--35.7 (3 letters / with copies to WH, 9 January 1790; 15 May
          and 28 August 1819, M0821-M0826)</item>
        <item>Herschel, Caroline Emily Mary, 1830-1909--25.4 (3 letters from JFWH, 1852-1855,
          L0524-L0526); 37.7 (13 letters to CLH, circa 1840-1845, L0567, L0583-L0590); 31.1 (4
          letters / 1 drawing to JFWH, 5 August 1843-24 January 1855, M0791-M0794)</item>
        <item>Herschel, Caroline Lucretia, 1750-1848--25.5-7 (87 letters from JFWH to CLH,
          1823-1847, L0568-L0592); 31.2 (4 letters / with 1 copy to JFWH, 24 January 1823-6 July
          1840, M0936); 37.1 (letters from CLH); 37.2-15 (letters to CLH)</item>
        <item>Herschel, Eusebius--39.7 (1 letter / with copy to unidentified, 15 March 1721,
          M0819-M0820)</item>
        <item>Herschel, Isaac, 1707-1767--35.8 (1 letter / with German transcription and English
          translation to WH, 16 October 1764, accompanied by biographical and genealogical
          information, M0827-M0834)</item>
        <item>Herschel, Isabella, 1831-1893--25.8 (1 letter from JFWH, 21 October 1854, L0527); 37.8
          (6 letters to CLH, circa 1838-1841, L0567, L0583, L0585-L0586, M0796); 38.6 (4 letters to
          various correspondents, M0138, M0795, M0797, M0995)</item>
        <item>Herschel, Jacob, ca. 1734-1792--35.9 (5 letters to WH, 1 July 1779-25 August 1786,
          M0835-M0839)</item>
        <item>Herschel, Johann Dietrich, 1755-1827--25.9 (1 letter from JFWH, 7 September 1822,
          L0528); 35.10 (25 letters to WH, August 1780-10 December 1795, M0840-M0864); 35.11 (22
          letters to WH, 5 October 1796-27 November 1822, M0865-M0886)</item>
        <item>Herschel, John, 1837-1921--25.10 (3 letters from JFWH, 1868-1869, L0529-L0531); 30.19
          (1 letter to JFWH, 19 May 1867, M0799); 39.7 (1 letter to William James Herschel, 4
          February 1844, M0798)</item>
        <item>Herschel, John Alexander, 1745-1821--37.6 (8 letters to CLH, 17 July 1807-27 July
          1816, M0811-M0818)</item>
        <item>Herschel, John F. W. (John Frederick William), Sir, 1792-1871--24.1-28.11 (letters
          from JFWH); 29.1-33.20 (letters to JFWH)</item>
        <item>Herschel, Margaret, Lady, 1810-1884--25.11 (72 letters from JFWH, 1830-1856,
          L0536-L0545, L0762, L0539 includes a calotype by JFWH, 1841); 26.3 (1 letter to Mary Pitt
          Herschel, 15 May 1829, also includes note from JFWH, L0521); 37.9-11 (92 letters to CLH,
          1830-1847, L0575-0592); 38.11-12 (letters from Lady Margaret Herschel); 38.13 (letters to
          Lady Margaret Herschel)</item>
        <item>Herschel, Margaret Louisa, 1834-1861--25.12 (4 letters from JFWH, 1852, undated,
          L0532-L0535); 37.12 (4 letters to CLH, circa 1843-1845, L0586, L0588-L0590); 38.14 (1
          letter to John Graham, 1850, M0801)</item>
        <item>Herschel, Mary Cornwallis Lipscomb Power, d. 1876--25.1 (2 letters from JFWH, 9
          September 1853 and 10 February 1870, L0226-L0227)</item>
        <item>Herschel, Mary Pitt, 1750-1832--25.13-26.3 (59 letters / originals and copies from
          JFWH, 7 January 1819-18 August 1831, L0514-L0522); 31.3-9 (52 letters / with 52 copies to
          JFWH, 10 November 1813-10 November 1829, M0617-M0625); 39.2 (4 letters / with 2 copies to
          Mary Baldwin, 19 May post 1816, 21 January and 25 February 1820, M0614-M0616); 39.2 (1
          letter to Charles Babbage, 9 July 1821, M0613)</item>
        <item>Herschel, S. F. N.--39.7 (1 letter to unidentified, 18 May 1817, M0807)</item>
        <item>Herschel, William, Sir, 1738-1822--26.4 (12 letters from JFWH to WH, 1811?-1822,
          L0546-L0556); 35.5 (letters from WH); 35.6-12 (letters to WH)</item>
        <item>Herschel, William James, Sir, 1833-1917--26.5 (10 letters from JFWH, 1863-1869,
          L0557-L0566); 37.13 (10 letters to CLH, circa 1840-1847, L0567, L0585-L0586, L0588-L0589,
          L0591-L0592); 30.19 (1 letter to JFWH, 24 February 1844, M0803); 38.6 (1 letter from
          Isabella Herschel, undated, M0795); 38.11 (1 letter from Lady Margaret Herschel, 9 January
          1865, M0774); 38.13 (1 letter to Lady Margaret Herschel, 22 July 1838, M0804); 39.5 (1
          letter to Margaret Louisa Herschel, 25 March 1844, M0802); 39.5 (1 note to Constance Ann
          Herschel, 21 October 1916)</item>
        <item>Herst, Samuel--8.2-3 (on verso of W0245: 1 letter to JFWH, November 1856)</item>
        <item>Hickson, W. E. (William Edward), 1803-1870--30.19 (2 letters to JFWH, 29 December
          1863-4 January 1864, M0275-M0276)</item>
        <item>Hill, James, fl. 1855--30.19 (1 letter to JFWH, 10 April 1855, M0937)</item>
        <item>Hind, J. Russell (John Russell), 1823-1895--25.1 (2 letters / copies from JFWH, 6
          October 1845 and 4 April 1862, L0192-L0193)</item>
        <item>Hodgson, O. A.--25.1 (1 letter / copy from JFWH, 6 April 1866, L0195)</item>
        <item>Hoffay, E. A.--25.1 (1 letter from JFWH, 5 June 1854, L0196)</item>
        <item>House, Wimey--12.19 (on verso of MW0056: 1 letter / incomplete to JFWH,
          undated)</item>
        <item>Hubbard, John Gellibrand, 1805-1889--25.1 (3 letters / drafts and copy from JFWH, 16
          May 1856, 15 and 24 January 1870, L0197-L0199); 31.10 (4 letters to JFWH, 13 May 1856 and
          13-27 January 1870, M0278-M0281)</item>
        <item>Hudson, James, 1804-1859--30.19 (1 letter to JFWH, 28 June 1827, M0282)</item>
        <item>Hughes, William, 1817-1876--9.16 (on verso of W0246: 1 letter to JFWH, 3 September
          1838)</item>
        <item>Humboldt, Alexander von, 1769-1859--32.19 (1 letter / copy from JFWH, 7 August 1850,
          M1031); 37.2 (1 letter to CLH, 25 September 1846, M0725)</item>
        <item>Hume, Joseph, 1777-1855--30.19 (1 letter to JFWH, 30 June 1853, M0283)</item>
        <item>Hume, Joseph Burnley--25.1 (1 letter / draft from JFWH, circa 1853, L0200); 30.19 (1
          letter to JFWH, 25 April 1853, M0284)</item>
        <item>Humphrey, Thomas, fl. 1860s--9.16 (on verso of W0246: 2 letters to JFWH, 23 December
          1863 and 27 March 1867); 12.19 (on verso of MW0056: 1 notice to JFWH, 18 January
          1868)</item>
        <item>Hunt, Robert, 1807-1887--30.19 (1 letter to JFWH, 1848 or later, M0285)</item>
        <item>Hunter, William, 1781-1856--25.1 (1 letter from JFWH, 23 May 1853, L0748)</item>
        <item>Hutchinson, Dr.--38.13 (1 letter to Lady Margaret Herschel, undated, M0960)</item>
        <item>Hutton, Charles, 1737-1823--30.19 (1 letter to JFWH, 3 September 1822, M0286)</item>
        <item>Inglis, Robert Harry, Sir, 1786-1855--31.11 (4 letters to JFWH, 25 November 1850-1 May
          1851, M0287-M0290)</item>
        <item>The Intellectual Observer--13.5 (on verso of W0971: 1 letter to JFWH, 17 November
          1865)</item>
        <item>Jackson, Frederic J.--26.6 (1 letter from JFWH, 5 March 1868, L0738); 31.12 (2 letters
          to JFWH, 8 February and 23 May 1868, M0291-M0292)</item>
        <item>James, Henry, Sir, 1803-1877--26.6 (1 letter / copy from JFWH, 27 May 1865, L0201);
          31.12 (2 letters to JFWH, 25 May and 20 October 1868, M0293-M0294); 41.1 (1 letter to Sir
          Roderick Impey Murchison, undated, M1005)</item>
        <item>Jeffreys, Henry Anthony, 1810-1898--12.19 (on verso of MW0056: 3 letters to JFWH, 13
          February 1866, 6 January 1867, undated); 13.5 (on verso of W0971: 1 letter to Lady
          Margaret Herschel, undated); 13.5 (on verso of W0971: 1 letter to JFWH, undated); 31.12 (2
          letters to JFWH, undated, M0295-M0296; on verso: notes, 24 April 1868)</item>
        <item>Jenkins, Richard, 1785-1853--26.6 (1 letter from JFWH, 30 April 1839, L0202)</item>
        <item>Jennings, J. H., fl. 1854--26.6 (2 letters / draft and copy from JFWH, 28 November
          1854, L0203-L0204)</item>
        <item>Jephson, I. H.--31.12 (1 letter to JFWH, 6 September 1852, M0297)</item>
        <item>Jervis, T. B. (Thomas Best), 1796-1857--31.12 (on verso of M0298: 1 letter / copy from
          JFWH, 28 April 1839); 31.12 (2 letters to JFWH, 26 April-14 September 1839,
          M0298-M0299)</item>
        <item>Jevons, William Stanley, 1835-1882--31.12 (1 letter to JFWH, 8 January 1870,
          M0300)</item>
        <item>Jobert, Antoine Claude Gabriel--13.5 (on verso of W0971: 1 letter to JFWH, 10 July
          1843)</item>
        <item>_____, John (West Clandon, Guildford)--39.7 (1 letter to Aunt Fancy (Francesca
          Herschel, 29 July 1929, M1006)</item>
        <item>Johnson, Charles, fl. 1847--31.12 (1 letter to JFWH, 6 January 1847, M0301)</item>
        <item>Johnson, William, 1823-1864--31.12 (2 letters to JFWH, November 13-2 December 1852,
          M0302-M0303)</item>
        <item>Johnston, Hugh--39.7 (1 letter to Francisca Herschel, 25 September 1869, M1007)</item>
        <item>Johnstone, John, fl. 1849--31.12 (1 letter to JFWH, 8 March 1849, M0304)</item>
        <item>Jones, Mrs., fl. 1850--38.11 (1 letter from Lady Margaret Herschel, 16 December 1850,
          M0773)</item>
        <item>Jones, Richard, 1790-1855--26.7 (4 letters from JFWH, 1826, 26 September 1838, 1 June
          1850, and circa 1840-1855, L0205-L0208); 31.13 (4 letters to JFWH, 3 September 1822, 27
          June-31 July 1846, 1 August 1853, M0305-M0308); 31.13 (on verso of M0306-M0307: 1
          mathematical theorem / copy from JFWH, 21 June-29 July 1846)</item>
        <item>Jones, T. Rupert (Thomas Rupert), 1819-1911--31.14 (4 letters to JFWH, 19 February-6
          June 1868, M0309-M0312)</item>
        <item>Julia, fl. 1868--12.19 (on verso of MW0056: 1 letter to JFWH, 7 March 1868)</item>
        <item>Kane, Robert, 1809-1890--26.6 (3 letters from JFWH, 16 September and 11 October 1847,
          L0209-L0210); 31.12 (1 letter to JFWH, 21 December 1850, M0313)</item>
        <item>Kasten?, Charles--2.18 (on verso of W0139: 1 letter to JFWH, undated (before
          1848))</item>
        <item>Kater, Henry, 1777-1835--31.12 (1 letter to JFWH, 20 June 1827, M0314)</item>
        <item>Kay, Joseph Henry, 1814-1875--26.6 (1 letter / copy from JFWH, 19 April 1842,
          L0211)</item>
        <item>Kelland, Philip, 1808-1879--26.6 (1 letter from JFWH, 25 March 1859, L0754); 31.12 (1
          letter to JFWH, 26 May 1868, M0315)</item>
        <item>Kersten, C. T. von--26.6 (1 letter from JFWH, 2 March 1854, L0212); 31.12 (1 letter to
          JFWH, 21 February 1854, M0316)</item>
        <item>Kirchoff, E. W. L.--31.12 (1 letter to JFWH, 14 January 1848, M0317)</item>
        <item>Kitchin, G. W. (George William), 1827-1912--26.6 (1 letter from JFWH, 9 December 1866,
          L0213); 31.12 (2 letters to JFWH, 6 and 14 December 1866, M0318-M0319)</item>
        <item>Knipping, Adolph--26.6 (1 letter from JFWH, 26 September 1849, L0217)</item>
        <item>Knipping, Anne Elise--26.6 (3 letters / drafts from JFWH, 17 October 1847-29 January
          1848, L0214-L0216); 31.15 (5 letters to JFWH, 15 October 1822-14 April 1848,
          M0320-M0324)</item>
        <item>Kuland, C.--32.19 (on verso of M0487: 1 letter / notes to Sir Edward Sabine, 4
          February 1860)</item>
        <item>Kupffer, Adolf Theodor de, 1799-1865--41.1 (1 letter to Sir Edward Sabine, 13 June
          1844, M1011)</item>
        <item>La Rive, Auguste de, 1801-1873--41.5 (1 letter to unidentified, 13 June 1845,
          M1012)</item>
        <item>La Via, Gregorio Barnaba--26.8 (1 letter / copy from JFWH, 6 September 1825,
          L0222)</item>
        <item>Lalande, Joseph Jérôme Le Français de, 1732-1807--37.1 (1 letter from CLH, 12
          September 1790, M1078); 37.2 (1 letter / with 1 copy to CLH, 12 July 1790, M0755)</item>
        <item>Landeman, John--31.16 (1 letter to JFWH, 7 June 1838, M0325)</item>
        <item>Langton, C., Miss--26.8 (1 letter from JFWH, 11 October 1833, L0218)</item>
        <item>Langton, Joseph--26.8 (2 letters / copies from JFWH, 6 and 8 June 1831, L0219-L0220);
          39.2 (1 letter / with reply to Mary Pitt Herschel, 10 March 1830, M1009)</item>
        <item>Larkins, William, fl. 1797--37.2 (1 letter to CLH, 21 August 1797, M0758)</item>
        <item>Lassell, W. (William), 1799-1880--26.8 (2 letters from JFWH, 3 October and 11 November
          1862, L0221, L0732); 32.4 (on verso of M0383: 1 letter / copy from JFWH, 24 October
          1862)</item>
        <item>Law, William--31.16 (2 letters to JFWH, 1 September 1853-13 March 1855,
          M0326-M0327)</item>
        <item>Lawley, Francis, fl. 1853--31.16 (1 letter to JFWH, 20 July 1853, M0328)</item>
        <item>Lee, John, 1783-1866--9.16 (on verso of W0246: 1 letter to JFWH, 3 December 1824);
          26.8 (1 letter from JFWH, 10 December 1861, L0223); 31.16 (1 letter to JFWH, 1 March 1847,
          M0329)</item>
        <item>Lee, Miss, fl. 1822--37.2 (1 letter to CLH, 15 September 1822, M0726)</item>
        <item>Lefroy, J. H. (John Henry), Sir, 1817-1890--31.16 (1 letter to JFWH, 27 March 1840,
          M0330)</item>
        <item>Lewis, Griffith George, 1784-1859--26.8 (1 letter / draft from JFWH, 16 March 1854,
          L0225)</item>
        <item>Ley, J.--38.13 (1 letter to Lady Margaret Herschel, 3 April 1842, M1013)</item>
        <item>Lichtenberg, Mr.--31.16 (1 letter to JFWH, 15 September 1837, M0332)</item>
        <item>Liddell, James--31.16 (1 letter to JFWH, 24 December 1864, M0331); 31.17 (observations
          made in Bodmin, sent to JFWH, 24 December 1864</item>
        <item>Linden, Henry, fl. 1868--12.19 (on verso of MW0056: 1 letter to JFWH, 17 April
          1868)</item>
        <item>Littrow, J. J. (Joseph Johann), 1781-1840--12.19 (on verso of MW0056: 1 note from
          JFWH, 3 September 1807)</item>
        <item>Lloyd, Humphrey, 1800-1881--9.16 (on verso of W0246: 1 letter to JFWH, 10 September
          1839); 26.8 (1 letter from JFWH, 8 August 1858, L0224); 28.11 (1 letter from JFWH, 8
          August 1858, L0755); 31.18 (6 letters to JFWH, 6 November 1844-20 August 1858,
          M0333-M0338</item>
        <item>Lloyd, J. A. (John Augustus), 1800-1854--9.16 (on verso of W0246: 1 letter /
          incomplete to JFWH, undated)</item>
        <item>Lockhart, J. G. (John Gibson), 1794-1854--41.5 (1 invitation to unidentified
          recipients, 4 August 1810, M1014)</item>
        <item>Lovering, Joseph, 1813-1892--31.16 (1 letter to JFWH, 26 April 1840, M0339)</item>
        <item>Lowry, Richard--11.20 (on verso of W0337: 1 letter to JFWH, undated)</item>
        <item>Lubbock, Harriet Hotham, d. 1873--31.16 (1 letter to JFWH, 13 June 1860, M0938)</item>
        <item>Lubbock, J. W. (John William), 1803-1865---26.8 (2 letters / drafts from JFWH, 25 June
          1846 and 14 August 1861, L0233-L0234); 31.16 (1 letter to JFWH, 9 August 1839, M0340);
          41.5 (1 letter / copy to George Peacock, 20 April 1839, M1015); 41.5 (1 letter / copy to
          Edward Adolphus Seymour, Duke of Somerset, 6 June 1860, M1016)</item>
        <item>Lunn, Francis, 1795-1839--31.16 (1 letter to JFWH, 9 July circa 1823, M0341; on verso:
          scientific notes / draft by JFWH, 15 April 1868)</item>
        <item>Lyell, Charles, Sir, 1797-1875--26.8 (2 letters / copy and draft from JFWH, 10 March
          1848, L0235-L0236); 31.16 (2 letters to JFWH, 27 November 1829 and 10 December 1851,
          M0343-M0344)</item>
        <item>Lyell, Mary Horner, 1808-1873--31.16 (1 letter to JFWH, 27 June 1863, M0342)</item>
        <item>Macculloch, James Ramsey, 1789-1864--26.9 (1 letter from JFWH, 7 June 1856,
          L0237)</item>
        <item>Macfarren, G. A. (George Alexander), Sir, 1813-1887--41.5 (1 letter to Agnes, 9 May
          18__, M1018)</item>
        <item>Mackintosh, Eneas, fl. 1843--26.9 (2 letters from JFWH, 19 August 1843 and 13 July
          1849, L0238-L0239)</item>
        <item>Maclear, Thomas, 1794-1879--26.9 (3 letters / drafts from JFWH, circa 1845, 20
          February 1836, and 22 July 1844, L0240-L0242); 31.16 (2 letters to JFWH, 22 January 1834,
          20 January 1851, M0345, M0940); 40.8 (on verso of MW0004: 1 note / incomplete to JFWH, 6
          December 1849</item>
        <item>Macleod, Norman, 1812-1872--26.9 (1 letter / copy from JFWH, 24 September 1870,
          L0243)</item>
        <item>MacWilliam, Alexander--13.5 (on verso of W0971: 1 letter to JFWH, 19 June 1866)</item>
        <item>Mallet, Robert, 1810-1881--31.16 (1 letter to JFWH, includes printed proposal /
          duplicate of proof for investigation of earthquake motions, 5 September 1846,
          M0346)</item>
        <item>Manley, Charles, fl. 1859--31.16 (2 letters to JFWH, 15 October 1859 and 18 September
          1868, M0347-M0348)</item>
        <item>March, Mr.--31.16 (1 letter to JFWH, circa 1822, M0941)</item>
        <item>Marsh, James, fl. 1860--9.16 (on verso of W0246: 1 letter to JFWH, 25 September
          1860)</item>
        <item>Marshall, Matthew, d. 1873--26.9 (2 letters from JFWH, 14 September 1853 and 5
          September 1854, L0246-L0247)</item>
        <item>Martin, Hugh, 1822-1885--26.9 (1 letter / copy from JFWH, 3 January 1870,
          L0248)</item>
        <item>Martin, K. B.--9.16 (on verso of W0246: 1 letter to JFWH, 6 May 1837)</item>
        <item>Martin, Thomas, fl. 1847--2.13 (on verso of W0121: 1 letter to JFWH, 23 March
          1847)</item>
        <item>Maskelyne, Nevil, 1732-1811--37.1 (2 letters from CLH, September 1798 and January
          1800, M1080); 37.2 (1 letter to CLH, 6 July 1799, M0727)</item>
        <item>Maskelyne, Sophia--37.2 (2 letters to CLH, 15 and 30 August 1799, M0728-M0729)</item>
        <item>Master, Thomas, fl. 1837--9.16 (on verso of W0246: 1 letter to JFWH, 6 May
          1837)</item>
        <item>Mathison, Gilbert Farquhar Graeme, 1803?-1854--26.10 (4 letters from JFWH, 1833-1851,
          L0249-L0252); 31.19 (7 letters to JFWH, 27 March-8 December 1851, M0389-M0396; on verso:
          notes summarizing Mathison's memorial, 4 October 1851)</item>
        <item>Maule, George, 1776-1851--26.9 (1 letter / copy from JFWH, 22 April 1851, L0253);
          31.16 (1 letter to JFWH, 6 May 1851, M0349)</item>
        <item>May, Charles, 1800-1860--26.9 (3 letters / drafts from JFWH, circa 1832, 23 November
          1832, and 17 December 1849, L0254-L0256); 31.16 (2 letters to JFWH, 23 November 1832 and
          20 December 1849, M0351-M0352)</item>
        <item>Mechel, Christian von, 1737-1817--37.2 (1 letter to CLH, 17 July 1792, M0757)</item>
        <item>Medwell, Mr.--31.16 (1 letter to JFWH, 21 July 1851, M0353)</item>
        <item>Melbourne, William Lamb, Viscount, 1779-1848--31.16 (1 letter to JFWH, 3 September
          1838, M0354)</item>
        <item>Melhuish, Arthur James, 1829-1895--26.9 (1 letter / copy from JFWH, 27 October 1865,
          L0258); 39.5 (1 letter, form letter, and bill, to Sir William James Herschel, 1 June, 30
          September, and 24 October 1865, M1019-M1021)</item>
        <item>Melvill, J.--26.9 (1 letter from JFWH, 21 November 1867, L0763); 31.16 (1 letter to
          JFWH, 23 November 1867, M0355)</item>
        <item>Melvill, James Cosmo, 1792-1861--31.16 (1 letter to JFWH, 15 June 1839, M0951)</item>
        <item>Melville, Robert Saunders Dundas, Viscount, 1771-1851--31.16 (1 form letter to JFWH
          from Melville et. al., 22 November 1830, M0942)</item>
        <item>Mendoza y Riós, José de, 1763-1816--35.6 (1 letter to WH, 16 January 1796,
          M1022)</item>
        <item>Merz, Georg, 1793-1867--8.2-3 (on verso of W0245: 1 letter to JFWH, 29 January 1862);
          31.20 (7 letters to JFWH, 20 September 1843-31 July 1851, M0356-M0362); 31.20 (on verso of
          M0357: 1 reply / copy from JFWH, 25 November 1845)</item>
        <item>Meyer, Adolph Bernhard, 1840-1911--26.9 (1 letter / copy from JFWH, 6 May 1870,
          L0260); 31.21 (3 letters to JFWH, 4-25 May 1870, M0363-M0365)</item>
        <item>Miles, Alfred, b. 1796--31.16 (2 letters to JFWH, 23 October 1847 and 9 February 1848,
          M0366-M0367)</item>
        <item>Miller, Harriet Susan Minty--41.5 (1 letter / typescript extract to unidentified,
          undated, M1023)</item>
        <item>Miller, W. H. (William Hallows), 1801-1880--26.9 (3 letters from JFWH, 29 November and
          5 and 6 December 1867, L0261-L0262, M0107); 32.1 (3 letters to JFWH, 6 and 9 October 1858
          and 3 December 1867, M0369-M0371); 41.5 (1 letter / printed to W. H. Bateson, 2 January
          1852, M1024)</item>
        <item>Miller, William Allen, 1817-1870--31.16 (1 letter to JFWH, 20 February 1854,
          M0368)</item>
        <item>Minto, Gilbert Elliot, Earl of, 1782-1859--26.9 (1 letter / copy from JFWH, 20 October
          1838, L0263); 32.2 (2 letters to JFWH, 24 October 1838 and 20 November 1839, M0372-M0373);
          32.2 (on verso of M0373: 1 reply copy from JFWH, 24 November 1839)</item>
        <item>Mocatta and Goldsmid--26.9 (1 letter from JFWH, 21 June 1854?, L0265)</item>
        <item>Moigno, abbé (François Napoléon Marie), 1804-1884--26.9 (2 letters / copy and draft
          from JFWH, 30 January 1864 and 26 March 1866, L0244-L0245)</item>
        <item>Molle, William Macquarie--31.16 (1 letter to JFWH, September 1852, M0374)</item>
        <item>Monteagle of Brandon, Thomas Spring-Rice, Baron, 1790-1866--26.9 (3 letters from JFWH,
          29 April-15 June 1857 and 3 June 1864, L0264); 32.3 (6 letters to JFWH, 24 May 1838-12 May
          1857, M0375-M0380); 41.5 (1 letter / copy to Sir George Biddell Airy, 11 May 1838, M1025);
          41.5 (1 letter / copy to Treasury, 20 January 1864, M1026)</item>
        <item>Monticelli, Teodoro, 1759-1845--31.16 (1 letter to JFWH, 11 June 1823, M1028); 41.5 (1
          letter to unidentified, 13 June 1827, M0127)</item>
        <item>Morrison--31.16 (1 letter / extract / copy to JFWH, 20 June 1844, M1029)</item>
        <item>Morris-Stirling, T. D.--26.9 (1 letter / copy from JFWH, 22 September 1846, L0266);
          31.16 (1 letter to JFWH, 19 September 1846, M0381; enclosed: 1 letter / copy to editor of
          the Times, London, 21 September 1846)</item>
        <item>Mount-Temple, William Francis Cowper-Temple, Baron, 1811-1888--31.16 (1 letter to
          JFWH, 8 November 1838, M0153)</item>
        <item>Moxon, Charles--31.16 (1 letter to JFWH, 5 December 1844, M0350)</item>
        <item>Murchison, Roderick Impey, Sir, 1792-1871--26.11 (5 letters from JFWH, 1832-1863,
          L0267-L0271); 32.4 (3 letters to JFWH, 30 March 1868, undated, M0382-M0384)</item>
        <item>Murray, James Augustus Henry, Sir, 1837-1915--39.5 (l letter to Sir William James
          Herschel, 16 September 1908, M1030)</item>
        <item>Mushet, Mrs.--31.16 (1 letter to JFWH, 17 February 1854, M0385)</item>
        <item>Mushet, Robert, 1811-1871--26.12 (9 letters from JFWH, 1854, L0272-L0280); 32.5 (3
          letters to JFWH, 29 September 1853-1 October 1868, M0386-M0388)</item>
        <item>Napier, George Thomas, Sir, 1784-1855--26.13 (1 letter / draft from JFWH, 11 December
          1839, L0281)</item>
        <item>Nash, James, fl. 1855--26.13 (1 letter / copy from JFWH, 27 July 1855, L0282); 32.6 (1
          letter to JFWH, 4 September 1855, M0397)</item>
        <item>Nelson?, Catherine--11.14 (on verso of W0354: 1 letter to unidentified re WH, 6 April
          1843)</item>
        <item>Nelson, Thomas, 1822-1892--13.7 (on verso of W0972: 1 letter to JFWH, 31 August
          1840)</item>
        <item>Newbold, T. J. (Thomas John), 1807-1850--32.6 (1 letter to JFWH, 24 April 1842,
          M0397a)</item>
        <item>Northampton, Spencer Joshua Alwyne Compton, Marquis of, 1790-1851--26.14 (5 letters
          from JFWH, 1838-1847, L0257, L0283-L0286); 32.7 (3 letters to JFWH, 31 December 1838 and
          11-12 March 1839, M0400-M0402)</item>
        <item>Northumberland, Hugh Percy, Duke of, 1785-1847--26.13 (2 letters / copies from JFWH,
          28 January and 30 May 1839, L0287-L0288)</item>
        <item>Owen, Richard, 1804-1892--26.13 (2 letters / copies from JFWH, 19 and 22 December
          1858, L0289-L0290); 32.8 (2 letters to JFWH, 4 and 18 December 1858, M0403-M0404)</item>
        <item>Pagemann, F.--37.2 (1 letter to CLH, 29 September 1837, M0759)</item>
        <item>Paine, Robert Treat, 1803-1885--26.13 (2 letters to JFWH, 26 August 1836 and 4
          November 1839, L0291-L0292)</item>
        <item>Pall Mall Budget--26.13 (1 letter from JFWH, 20 April 1870, L0293)</item>
        <item>Palmerston, Henry John Temple, Viscount, 1784-1865--26.13 (2 letters from JFWH, 7 and
          31 March 1855, L0294-L0295)</item>
        <item>Pasley, Charles William, Sir, 1780-1861--26.13 (1 letter / copy or draft from JFWH, 26
          July 1854, L0296)</item>
        <item>Paulin, George L.--32.6 (1 letter to JFWH, 20 December 1864, M0405)</item>
        <item>Peacock, George, 1791-1858--26.13 (1 letter from JFWH, 15 October 1838, L0297); 32.9
          (16 letters to JFWH, 3 September 1822-16 September 1858, bulk 1850-1858), M0412-M0427);
          41.5 (1 letter to Sabine?, 4 September 1844, M0132)</item>
        <item>Peel, Robert, Sir, 1788-1850--26.13 (1 letter / copy from JFWH, 9 July 1845,
          L0298)</item>
        <item>Pelouze, J. (Jules), 1807-1867--26.13 (1 letter / copy from JFWH, undated,
          L0726)</item>
        <item>Pentland, Joseph Barclay, 1797-1873--26.13 (1 letter from JFWH, 7 December 1861,
          L0299)</item>
        <item>Peters, W. C.--26.13 (1 letter from JFWH, 29 March 1852, L0300)</item>
        <item>Petersen, Adolph C., 1804-1854--26.13 (1 letter to JFWH, 17 January 1851, M0406); 32.6
          (1 letter to JFWH, 17 January 1851, M0406)</item>
        <item>Phillips, John, 1800-1874--26.13 (2 letters from JFWH, 31 January 1858, undated,
          L0301-L0302); 32.10 (24 letters / including form letters to JFWH, 8 November 1838-7
          December 1866, M0428)</item>
        <item>Photographic News--26.13 (3 letters / drafts from JFWH, 7 February and 22 October
          1864, L0303-L0305)</item>
        <item>Pigott, Edward, 1753-1825--37.2 (2 letters to CLH, 30 August 1799-3 September 1811,
          M0730-M0731)</item>
        <item>Piper, Jesse--32.6 (1 letter to JFWH, circa 1840 or later, M0407; includes scientific
          notes, 1840 or 1841)</item>
        <item>Pistrucci, Benedetto, 1783-1855--26.15 (10 from JFWH, circa 1851-1855, L0306-L0313,
          L0634, L0657); 32.11 (26 letters / 1 translated copy to JFWH, 2 January 1851-18 May 1852,
          M0429-M0431); 33.2 (on verso of M0490 and M0496: 1 letter / copy to Henry Drury Harness,
          22 January 1851, and unidentified notes, 10 January 1851); 41.5 (1 letter to Henry Drury
          Harness, 27 July 1851 M1034)</item>
        <item>Planta, Joseph, 1744-1827--32.6 (1 letter to JFWH, 6 September 1822, M0408)</item>
        <item>Plowden, W. C. (William Chicheley), 1790-1880--26.13 (1 letter from JFWH, 14 March
          1845, L0314)</item>
        <item>Pons, M., Rev.--35.6 (1 letter to WH, 8 January 1821, M1036)</item>
        <item>Portugal. Legation--12.29 (on verso of W0963c: 1 letter to JFWH, 15 September
          1851)</item>
        <item>Potter, Richard, 1799-1886--26.13 (2 letters from JFWH, 20 April 1832 and 17 January
          1851, L0315-L0316)</item>
        <item>Prescott, Henry James, 1802-1856--32.6 (1 letter to JFWH, 17 January 1851,
          M0409)</item>
        <item>Price, Bartholomew, 1818-1898--32.6 (1 letter to JFWH, 4 December 1866, M0410)</item>
        <item>Prinsep, James, 1799-1840--26.13 (1 letter / draft from JFWH, circa 1834-1838,
          L0317)</item>
        <item>Pritchard, Charles, 1808-1893--26.16 (2 letters from JFWH, 1850, 1867, L0318-L0319);
          32.6 (1 letter to JFWH, 10 May 1868, M0411); 39.5 (2 letters to Sir William James
          Herschel, 10-16 December 1891, M1037)</item>
        <item>Quesneville, Gustave Augustin, 1810-1889--26.17 (1 letter / copy from JFWH, 22 October
          1863, L0320)</item>
        <item>Quetelet, Adolphe, 1796-1874--26.13 (1 letter / draft from JFWH, 10 September 1865,
          L0731); 32.6 (2 letters to JFWH, 13 August 1851, M0910)</item>
        <item>Ragg, Frederic W., fl. 1861--32.12 (1 letter to JFWH, 23 March circa 1861,
          M0432)</item>
        <item>Ralph Heaton &amp; Sons--27.2 (6 letters / drafts and copies from JFWH, 1853-1855,
          L0189-L0191, L0677, L0682, L0721)</item>
        <item>Rate, John, fl. 1840-1888--38.6 (1 extract of a letter / copy to Isabella Herschel, 10
          January 1887, M1038); 38.11 (1 letter / copy from Lady Margaret Herschel, 9 January 1856,
          M0775)</item>
        <item>Reid, Nevill--27.8 (on verso of W0970: 1 letter / fragment to JFWH, undated)</item>
        <item>Reid, Rayden--12.19 (on verso of MW0056: 1 letter from JFWH, undated)</item>
        <item>Reynolds, H. R. (Henry Revell), ca. 1775-1854--32.13 (11 letters to JFWH, 17 November
          1851-9 July 1853, M0433-M0442a)</item>
        <item>Rich, Henry, Sir, 1803-1869--27.3 (17 letters from JFWH, 1855-1855, L0321-L0337);
          32.14 (15 letters to JFWH, January-11 December 1851, M0443)</item>
        <item>Ridgway, Alexander F.--32.12 (1 letter to JFWH, 27 September 1845, M0444)</item>
        <item>Ridgway, Maurice H., 1918-2002--39.7 (1 letter / typescript copy to unidentified
          Herschel, 18 July 1951, M1039)</item>
        <item>Riedl-Sevenstern, J.--32.12 (1 letter to JFWH, 21 December 1850, M0445)</item>
        <item>Rintoul, Robert, b. 1823--27.1 (1 letter from JFWH, 26 March 1851, L0338); 32.12 (3
          letters to JFWH, 25 March-8 April 1851, M0446-M0448); 32.12 (on verso of M0447: 1 letter /
          copy from JFWH, 5 April 1851)</item>
        <item>Ritchie, William, 1790-1837--27.1 (1 letter from JFWH, 5 May 1828); 32.12 (2 letters
          to JFWH, 3 April and 25 May 1825, M0449-M0450); osf 4 (1 letter / report: "Improvements of
          Leslie's photometer" to JFWH, 8 February 1825, M1212)</item>
        <item>Roberts, Henry, 1812?-1874--41.5 (1 letter / copy to Charles Edward Trevelyan, 15
          January 1855, M1040)</item>
        <item>Robertson, Patrick Francis, 1807-1885--27.1 (1 letter / draft from JFWH, 8 December
          1865, L0339); 30.19 (on verso of M0285: 1 letter / draft from JFWH, 28 August 1848); 32.15
          (6 letters to JFWH, 6 December 1865-18 January 1870, M0451-M0456)</item>
        <item>Rogers, Charles, 1825-1890--32.16 (4 letters to JFWH, 28 December 1863 and 11
          February-9 March 1864, M0457-M0460)</item>
        <item>Rogerson, William--35.6 (1 letter / poem and musical score to WH, 24 March 1820,
          M1041)</item>
        <item>Roget, Peter Mark, 1779-1869--27.1 (1 letter from JFWH, 27 March 1851, L0338); 32.12
          (1 letter to JFWH, undated, M1138); 41.5 (1 letter to Sir George Biddell Airy, includes
          “Evidence of Dr. Roget,” 19 December 1838, M0664); 41.5 (1 letter / copy to Richard
          Jenkins, 27 April 1839, M1042)</item>
        <item>Ronalds, Francis, Sir, 1788-1873--32.12 (1 letter to JFWH, 24 May 1848, M0101)</item>
        <item>Ross, James Clark, Sir, 1800-1862--32.12 (3 letters to JFWH, 28 March-31 July 1839,
          M0461-M0463)</item>
        <item>Rosse, William Parsons, Earl of, 1800-1867--27.1 (3 letters / copies from JFWH, 5
          November 1849, 5 April 1851, 28 October 1852, L0341-L0343); 32.12 (2 letters to JFWH, 19
          November 1850 and 28 March 1851, M0464-M0465)</item>
        <item>Rothschild, Anthony de, 1810-1876--27.1 (2 letters from JFWH, 24 April 1854,
          L0344-L0345)</item>
        <item>Royal Astronomical Society--27.4 (2 letters / drafts with 2 enclosures from JFWH,
          1869, L0722, L0739-L0741)</item>
        <item>Rumsey, Lacy, d. 1872--32.17 (3 letters to JFWH, 17-20 December 1850,
          M0466-M0468)</item>
        <item>Russell, E., fl. 1846--32.12 (1 letter to JFWH, 17 August 1846, M0469)</item>
        <item>Russell, G., fl. 1855--30.4 (on verso of M0172: 1 letter from JFWH, 16 May
          1855)</item>
        <item>Russell, John Russell, Earl, 1792-1878--27.6 (9 letters from JFWH, 1823-1851,
          L0346-L0354); 32.18 (4 letters to JFWH, 29 May-23 December 1850, M0470-M0474); 41.5 (1
          printed letter to Albert, Prince Consort of Victoria, Queen of Great Britain, 27 May 1850,
          M1043)</item>
        <item>Rutherford, J. H.--27.1 (3 letters / copies and drafts from JFWH, 1 and 6 June and 4
          July 1837, L0355-L0357)</item>
        <item>Ryall, John, fl. 1865--27.1 (1 letter / draft from JFWH, 10 January 1865,
          L0358)</item>
        <item>Ryan, Edward, Sir, 1793-1875--27.7 (7 letters and 1 offprint from JFWH, 1834-1865,
          L0359, L0765); 32.12 (1 letter to JFWH, 17 July 1851, M0475)</item>
        <item>Sabine, Edward, Sir, 1788-1883--27.9 (20 letters from JFWH, 1835-1866, L0360-L0378,
          L0632); 32.20-23 (79 letters to JFWH, 20 June 1840-1864, M0517-M0528); 33.13 (1 letter /
          extract to James David Forbes, 18 June 1840, M0145); 41.5 (1 letter / copy to Humphrey
          Lloyd, 29 July 1842, M1044); 41.5 (1 letter to Professor Owen, 1 January 1859,
          M1045)</item>
        <item>Sadleir, Franc, 1775-1851--27.8 (1 letter from JFWH, 9 July 1845, L0379)</item>
        <item>Salmon, John Drew, 1802-1859--32.19 (1 form letter to JFWH, 29 April 1852, M0476;
          includes unidentified notes, undated)</item>
        <item>Samuelson, James, b. 1829--27.8 (1 letter / copy from JFWH, May 1868, L0380)</item>
        <item>Santini, Giovanni, 1787-1877--27.8 (1 letter from JFWH, 16 April 1833, L0381)</item>
        <item>Saturday Review (London)--27.8 (1 letter / draft from JFWH, 1865, L0382)</item>
        <item>Saunders, J. E.--39.7 (5 letters to Francisca Herschel, 22 June 1929-12 September
          1930, M1046)</item>
        <item>Schalch--39.5 (1 letter from Sir William James Herschel, 23 November 1867,
          M1101)</item>
        <item>Schlagintweit, Herman, 1826-1882--32.19 (1 letter to JFWH, 4 March 1851, M0478); 32.19
          (on verso of M0478: 1 letter from JFWH, 8 March 1851)</item>
        <item>Schlagintweit, Herman, 1826-1882--32.19 (2 letters to JFWH, 21 December 1850-4 March
          1851, M0477-M0478)</item>
        <item>Schumacher, Heinrich Christian, 1780-1850--32.19 (1 letter / copy to JFWH, 2 August
          1850, M1031); 32.19 (1 letter / copy from JFWH, 7 August 1850, M1031); 37.1 (1 letter from
          CLH, 11 December 1833, M1081); 37.2 (3 letters to CLH, 24 July and 14 December 1833 and 5
          May 1835, M0732-M0734)</item>
        <item>Seake, S. M.--32.19 (2 letters to JFWH, 8 and 22 August 1851, L0723 and M0943)</item>
        <item>Seyffer, Prof.--37.2 (1 letter to CLH, 10 May 1793, M0761)</item>
        <item>Sharpey, William, 1802-1880--32.19 (1 letter to JFWH, 23 January 1853, M0479)</item>
        <item>Shaw, Alexander, 1804-1890--41.5 (1 letter / copy to Viscount Henry John Temple
          Palmerston, 7 March 1855, M1047)</item>
        <item>Sheepshanks, R. (Richard), 1794-1855--27.8 (2 letters from JFWH, circa 1848-1855,
          L0383-L0384); 33.1 (15 letters to JFWH, 20 April 1845-11 January 1853, bulk 1847,
          M0529-M0541, M0944); 41.5 (1 letter to Baron John Cam Hobhouse Broughton, 28 March 1846,
          M1048)</item>
        <item>Sheil, Richard Lalor, 1791-1851--27.8 (1 letter / draft from JFWH, 23 November 1850,
          L0385); 32.19 (3 letters to JFWH, 15 October-4 December 1850, M0480-M0482)</item>
        <item>Simpson, G. Wharton (George Wharton), 1824-1880--12.2 (on verso of W0255: 1 letter to
          JFWH, 5 November 1867); 27.8 (1 letter from JFWH, undated, L0745)</item>
        <item>Sloan, John Charles--32.19 (1 letter to JFWH, 29 December 1863, M0483)</item>
        <item>Smee, Alfred, 1818-1877--13.9 (on verso of W0977: 1 letter to JFWH, 25 November 1843);
          32.19 (1 letter to JFWH, 6 November 1849, M0484)</item>
        <item>Smith, Archibald, 1813-1872--32.19 (2 letters to JFWH, 2 and 11 July 1857,
          M0485-M0486)</item>
        <item>Smith, David William, Sir, 1764-1837--41.5 (1 letter to Mary Pitt Herschel, 28 August
          1822, M1049)</item>
        <item>Smith, George, 1824-1901--27.8 (1 letter / draft from JFWH, 6 August 1862, L0386);
          28.11 (1 letter to JFWH, 20 July 1858, L0755); 32.19 (1 letter to JFWH, includes notes, 4
          February 1860, M0487)</item>
        <item>Smith, J. B. (John Benjamin), 1794-1879--27.8 (on verso of W0970: 1 letter / draft of
          “On Indian Coinage” from JFWH, 5 September 1864)</item>
        <item>Smith, J. T. (John Thomas), 1805-1882--27.8 (1 letter / copy from JFWH, 16 September
          1869, L0387); 32.19 (1 letter to JFWH, 13 September 1869, M0489)</item>
        <item>Smith, James, 1782-1867--32.19 (1 letter to JFWH, 19 April 1864, M0488)</item>
        <item>Smyth, W. H. (William Henry), 1788-1865--27.8 (1 letter from JFWH, 4 August 1846,
          L0388); 33.2 (7 letters to JFWH, 11 June 1831-3 August 1846, M0490-M0496)</item>
        <item>Smyth, Warington W. (Warington Wilkinson), 1817-1890--8.1 (on verso of MW0039: form
          letter to JFWH, 29 December 1862); 9.16 (on verso of W0246: form letter to JFWH, 3
          February 1864)</item>
        <item>Snowden, James Ross, 1809-1878--27.8 (1 letter / draft from JFWH, 28 August 1854,
          L0707)</item>
        <item>Somerville, Mary, 1780-1872--27.10 (1 letter from JFWH, 1869, L0760); 37.2 (1 letter
          to CLH, 16 April 1835, M0735)</item>
        <item>Sophia Matilda, Princess of Gloucester, 1773-1844--37.2 (1 letter to CLH, 16 June
          1823, M0756)</item>
        <item>South, James, 1785-1867--33.3 (3 letters to JFWH, 1821, M0945-M0947)</item>
        <item>Spencer, Anthony J.--8.2-3 (on verso of W0245: 1 letter to JFWH, undated)</item>
        <item>Spottiswoode, William, 1825-1883--27.8 (2 letters from JFWH, 9 and 12 March 1871,
          L0389-L0390); 32.19 (2 letters to JFWH, 11 March-13 April 1841, M0497-M0498)</item>
        <item>Spring-Rice, Marianne Marshall, d. 1889--32.19 (1 letter to JFWH, 22 July 1868,
          M0907)</item>
        <item>Stanmore, Arthur Hamilton-Gordon, Baron, 1829-1912--38.11 (2 letters from Lady
          Margaret Herschel, 29 June and 24 August circa 1851 or later, M0771-M0772); 38.13 (1
          letter to Lady Margaret Herschel, 30 June 1853, M0989)</item>
        <item>Stephenson, William Henry, 1811-1898--27.8 (1 letter from JFWH, 28 November 1850,
          L0391); 33.4 (4 letters to JFWH, 14 November 1850-10 February 1854, M0499-M0502)</item>
        <item>Sterry, Charles--33.5 (4 letters to JFWH, 29 August-3 December 1868, M0272-M0274,
          M0939)</item>
        <item>Stevelly, John--32.19 (1 letter to JFWH, 26 November 1850, M0503)</item>
        <item>Stewart, _____--2.33 (on verso of W0141: 1 letter to JFWH, 21 November 1836)</item>
        <item>Stewart, Alexander, Mrs.--38.12 (6 letters from Lady Margaret Herschel, 18 May-6 July
          1829 and 1831, M0779-M0784)</item>
        <item>Stewart, Duncan, 1804-1875--27.8 (3 letters from JFWH, 31 October 1869 and 8-23 April
          1870, L0142-L0144)</item>
        <item>Stewart, Emilia--27.8 (1 letter from JFWH, 1 November 1851, L0727)</item>
        <item>Stewart, Isabella Robertson--37.2 (1 letter to CLH, 22 June 1829, M0736); 38.11 (1
          letter / copy from Lady Margaret Herschel, 27 June 1829, M0776)</item>
        <item>Stewart, James Calder--27.11-15 (64 letters from JFWH, 11 January 1831-21 August 1867,
          undated, L0397-L0409, L0412-L0462); 32.19 (2 letters to JFWH, 17 July 1839-27 November
          1850, M0542-M0543); 37.14 (8 letters to CLH, 23 November 1833-26 April 1838, bulk 1834,
          M0737-M0744); 38.6 (1 letter from Isabella Herschel, undated, M0797); 38.11 (1 letter from
          Lady Margaret Herschel, November 1838, M0777); 38.13 (2 letters to Lady Margaret Herschel,
          22 August 1859, M1050-M1051)</item>
        <item>Stewart, Peter, fl. 1830s--15.32 (on verso of W0177: 1 letter to JFWH, undated); 27.16
          (4 letters from JFWH, May 1833-1839 and June 1843, L0393-L0396); 37.15 (8 letters to CLH,
          10 May 1834-17 July 1837, M0745-M0752)</item>
        <item>Stokes, George Gabriel, 1819-1903--27.8 (4 letters / copies and drafts from JFWH, 5
          May 1867-7 October 1870, L0463-L0466); 33.6 (6 letters to JFWH, 24 August 1854-10 October
          1870, M0504-M0509)</item>
        <item>Stotherd, A. J.--27.8 (1 letter from JFWH, 5 June 1855, L0767)</item>
        <item>Strachey, Richard, Sir, 1817-1908--28.1 (6 letters from JFWH, 5 November-6 December
          1867, L0467-L0472)</item>
        <item>Strahan, Alexander, 1834?-1918--27.8 (on verso of W0970: 1 letter to JFWH, 3 May
          1864)</item>
        <item>Strangeways, John George Charles Fox, 1803-1859--32.19 (1 letter to JFWH, 10 August
          1839, M0510)</item>
        <item>Stratford, William Samuel, 1791-1853--2.1 (on verso of W0206: 1 letter to JFWH, 8 May
          1847); 27.8 (1 letter / draft from JFWH, 9 October 1846, L0473); 33.1 (1 letter to R.
          Richard Sheepshanks, 4 May 1847, M0944); 33.7 (34 letters to JFWH, 17 September 1844-17
          November 1847, M0544-M0546, M0948); 41.5 (2 letters and 1 invoice to unidentified,
          1845-1847?, M1052-M1054)</item>
        <item>Stronach, William--32.19 (3 letters to JFWH, 29 January 1864, undated, M0511)</item>
        <item>Struve, F. G. W. (Friedrich Georg Wilhelm), 1793-1864--41.5 (1 letter / fragment to
          Sir George Biddell Airy, 1 July 1847)</item>
        <item>Suft, Robert Francis--32.19 (2 letters to JFWH, 1 March-23 July 1855, M0512-M0513);
          32.19 (on verso of M0512: 1 letter / copy to William Henry Barton, 7 March 1855)</item>
        <item>Sykes, Colonel (William Henry), 1790-1872--32.19 (3 letters to JFWH, 3 October 1850-7
          July 1855, M0514-M0516)</item>
        <item>Talbot, James Beard--8.2-3 (on verso of W0245: 1 form letter to JFWH, 16 October
          1865)</item>
        <item>Talbot, William Henry Fox, 1800-1877--28.2 (5 letters / typescript copies from JFWH,
          1840, L0474-L0478); 33.8 (1 letter to JFWH, 27 November 1850, M0547)</item>
        <item>Tawse, G.--15.22 (on verso of W0209: 1 letter to JFWH requesting signature, 15 January
          1853)</item>
        <item>Taylor, Emily Alice--38.13 (1 letter to Lady Margaret Herschel, 28 December 1841,
          M1055)</item>
        <item>Taylor, Richard, 1781-1858--33.8 (2 letters to JFWH, 11 October 1844 and 17 August
          1846, M0548-M0549)</item>
        <item>Thwaite E.--38.13 (1 letter to Lady Margaret Herschel, 21 July 1834, M1056)</item>
        <item>Times (London, England)--27.8 (5 letters / copies and drafts from JFWH, 15 August
          1828-30 August 1869, L0229-L0232, M0950)</item>
        <item>Trant, William, 1844-1924--27.8 (1 letter from JFWH, 30 August 1864, L0728)</item>
        <item>Trevelyan, Charles E. (Charles Edward), 1807-1886--28.3-6 (94 letters / copies and
          drafts from JFWH, 1850-1855, L0479-L0485,L0598, L0605, L0607, L0623-L0626, L0628, L0635,
          L0652-L0653, L0661-L0662, L0668, L0672-L0673, L0678-L0681, L0689, L0696-L0699, L0702,
          L0706, L0710, L0712, L0714, L0766); 31.16 (on verso of M0353: 1 letter / draft from JFWH,
          1851 or later); 33.9-12 (120 letters to JFWH, 29 November 1850-10 March 1855,
          M0550-M0555); 33.9 (on verso of M0550: 1 letter / copy from JFWH, 30 November 1850); 33.10
          (on verso of M0552: 2 letters / copies from JFWH, 14 January and 2 June 1852); 33.12 (on
          verso of M0554: 1 letter from JFWH, undated); 41.6 (6 letters to various correspondents,
          1847-1858, M1057-M1062)</item>
        <item>Triskett, J., fl. 1854--24.13 (2 letters / abstracts forwarded to Cottans &amp;
          Hallen, Engineers, August-September 1854, L0713)</item>
        <item>Tyndall, John, 1820-1893--12.19 (on verso of MW0056: 1 letter to JFWH, 4 November,
          18__)</item>
        <item>Velocity (pseudonym)--33.20 (1 letter to JFWH, 24 December 1863, M0949)</item>
        <item>Venn, Henry, 1796-1873--28.7 (1 letter / draft from JFWH, circa 1846-1855, L0486);
          33.8 (1 letter to JFWH, 11 July 1848, M0556)</item>
        <item>Victoria, Queen of Great Britain, 1819-1901--33.8 (1 form letter to JFWH, 31 August
          1850, M1223)</item>
        <item>Vivian, Edward, 1808-1893--27.8 (on verso of M0950: incomplete letter to JFWH,
          undated)</item>
        <item>Vulliamy, Benjamin Lewis, 1780-1854--33.8 (1 letter to JFWH, 22 May 1848,
          M0557)</item>
        <item>Wackerbarth, Francis Diedrich, 1813-1884--28.7 (1 letter / copy from JFWH, 21 March
          1866, L0487)</item>
        <item>Waldegrave, George G. 1786-1857--38.11 (1 letter / copy from Lady Margaret Herschel,
          November 1838, M0778); 38.13 (2 letters to Lady Margaret Herschel, 17 and 20 February
          1854, M1063)</item>
        <item>Walker, William, fl. 1858--41.5 (1 letter / copy to John Sanderman, 25 May 1858,
          M1064)</item>
        <item>Wallace, Alexander, fl. 1847--33.13 (1 letter to JFWH, 8 May 1847, M0558)</item>
        <item>Wallenstein, E.--28.7 (1 letter / copy from JFWH, 20 July 1853, L0488)</item>
        <item>Walten, James--12.19 (on verso of MW0056: 1 letter to JFWH, 15 January 1867)</item>
        <item>Ward, Edward Wolstenholme, 1823-1890--28.8 (4 letters / 1 draft) from JFWH, 1 February
          1854-25 May 1855, L0489-L0492, L0624.3, L0674)</item>
        <item>Ward, H. G. (Henry George), 1797-1860--33.13 (1 letter to JFWH, 29 January 1848,
          M0559)</item>
        <item>Waterhouse, Frederick Herschel, 1845-1919--28.7 (1 letter from JFWH, 31 May 1871,
          L0493); 33.13 (1 letter to JFWH, 29 March 1871, M0560)</item>
        <item>Watson, William, 1744-1825?--28.7 (1 letter / copy from JFWH, 16 July 1824, L0494);
          37.2 (1 letter to CLH, 12 February 1816, M0753)</item>
        <item>Watt, A., fl. 1822--39.2 (1 letter to Mary Pitt Herschel, 4 September 1822,
          M1065)</item>
        <item>Weld, Charles Richard, 1813-1869--15.32 (on verso of W0177: 1 letter to JFWH, 16
          November 1848); 33.13 (3 letters to JFWH, 9 May 1845-8 July 1847, M0561-M0563; on verso of
          M0562: biographical notes on Caroline Herschel, 1847 or later)</item>
        <item>Wellington, Arthur Wellesley, Duke of, 1769-1852--28.7 (1 letter / copy from JFWH, 18
          June 1852, L0495)</item>
        <item>Wheatstone, Charles, Sir, 1802-1875--33.13 (1 letter to JFWH, 13 December 1841,
          M0145)</item>
        <item>Whewell, Cadelia--38.13 (1 letter to Lady Margaret Herschel, 2 June 1849 or later,
          M1066)</item>
        <item>Whewell, William, 1794-1866--28.7 (1 letter / copy from JFWH, circa 12-20 August 1818,
          L0496); 33.14 (14 letters to JFWH, 14 September 1832-20 July 1855, M0564-M0578)</item>
        <item>Whitaker, John Henry--28.7 (1 letter from JFWH, 5 November 1867, L0769)</item>
        <item>White, Susan, fl. 1814-1833--28.7 (1 letter / copy from JFWH, 25 November 1825,
          L0497); 33.13 (5 letters / brief excerpts to JFWH, 25 September 1814-September 1833,
          M0580)</item>
        <item>White, Walter, 1811-1893--12.19 (on verso of MW0056: 2 letters to JFWH, 3 July 1868,
          undated); 33.13 (1 letter to JFWH, 8 January 1864, M0579)</item>
        <item>Whitworth, Joseph, 1803-1887--33.13 (1 letter to JFWH, 20 February 1853, M0581)</item>
        <item>Wilkins, Mr.--28.7 (1 letter / draft from JFWH, 10 March 1854, L0499)</item>
        <item>William V, Prince of Orange, 1748-1806--35.6 (2 notes to WH, 28 July 1795 and 8 August
          1798, M1067)</item>
        <item>Williams, John, 1797-1874--12.2 (on verso of W0255: 1 letter to JFWH, 11 June 1867);
          27.8 (on verso of W0970: 1 letter to JFWH on behalf of Royal Astronomical Society, 12 May
          1864)</item>
        <item>Wilson, C. Rivers (Charles Rivers), Sir, 1831-1916--28.7 (1 letter / copy from JFWH, 7
          September 1869, L0500); 33.13 (1 letter to JFWH, 4 September 1869, M0582)</item>
        <item>Wilson, Helen, fl. 1842--38.13 (1 letter to Lady Margaret Herschel, 5 March circa
          1842, M1068)</item>
        <item>Wilson, James, 1805-1860--28.9 (6 letters / copies and drafts from JFWH, 12 August
          1851-26 June 1854, L0501-L0506); 30.4 (on verso of M0169: 1 letter / draft from JFWH,
          undated); 33.15 (6 letters to JFWH, 17 January 1851-21 July 1853, M0583-M0588)</item>
        <item>Wilson, Patrick, 1743-1811--37.2 (1 letter to CLH, 2 September 1793, M0754)</item>
        <item>Withers, E. L., fl. 1858--28.7 (1 letter from JFWH, 10 October 1858, L0498)</item>
        <item>Witte, Mrs.--37.1 (1 letter from CLH circa 1839-1840, M1082)</item>
        <item>Wood, Charles, 1800-1885--28.3 (on verso of L0480: 1 letter / draft from JFWH, 10
          December 1850); 28.10 (3 letters / drafts from JFWH, 10 July-13 November 1851,
          L0507-L0508, L0675); 33.16 (8 letters to JFWH, includes 1 typescript copy of
          correspondence between Charles Wood and JFWH, 20 November 1850-26 October 1851,
          M0589-M0597)</item>
        <item>Wood, W. H.--33.13 (1 letter to JFWH, includes table of meteorological data, 20
          December 1864-16 January 1865, M0598-M0599)</item>
        <item>Woods, Thomas, fl. 1854--33.13 (1 letter to JFWH, 24 May 1854, M0600)</item>
        <item>Wrottesley, John Wrottesley, Baron, 1798-1867--28.7 (1 letter / copy from JFWH, 24
          March 1839, L0509)</item>
        <item>Wyon, Benjamin, 1802-1858--28.7 (1 letter from JFWH, circa 1854, L0510)</item>
        <item>Wyon, Leonard Charles, 1826-1891--28.7 (2 letters / 1 copy from JFWH, 17 December 1851
          and 22 April 1854, L0511, L0693); 33.17 (6 letters to JFWH, 29 October 1851-6 March 1855,
          M0601-M0606); 41.5 (2 letters to William Thomas Brande, 9 January and 11 April 1854,
          M1070-M1071)</item>
        <item>Wyon, William, 1795-1851--28.7 (1 letter / copy from JFWH, 25 December 1850, L0512);
          33.18 (4 letters to JFWH, 17 October 1850-20 June 1851, M0607-M0610)</item>
        <item>Yekus?, Ada--37.2 (1 letter to CLH, 18 May 1838, M1072)</item>
        <item>Yeomans, Alfred--33.19 (1 letter to JFWH, 5 July 1864, M0611)</item>
        <item>Young, F. A.--12.19 (on verso of MW0056: 1 letter and 1 notice to JFWH, 1868 and 22
          February 18__)</item>
        <item>Young, Samuel, 1776-1826--41.5 (1 letter to Charles Babbage, 4 September 1822,
          M1073)</item>
        <item>Young, Thomas, 1773-1829--28.7 (1 letter from JFWH, 4 November 1824, L0513); 33.19 (1
          form letter to JFWH, 19 May 1825, M0612)</item>
        <item>Zimmermann, Agnes, 1847-1925--41.5 (1 letter to Caroline Emily Mary Herschel Gordon,
          11 May 1866, M1074)</item>
        <item>Unidentified--1.23 (on verso of MW0001: 1 letter / draft from JFWH, undated); 8.2-3
          (on verso of W0245: 1 letter to JFWH, undated); 8.2-3 (on verso of W0245: 3 unidentified
          recipients, undated); 9.11 (on verso of MW0038: 1 leter from JFWH, 2 August 1822); 9.16
          (on verso of W0246: 1 letter to WH, 13 November 1787); 11.14 (on verso of W0354: 1 letter
          to Captain Richardson, 5 November 1833?); 11.14 (on verso of W0354: 1 letter / excerpt
          Edwards? to unidentified, 8 March 1843); 11.48 (on verso of MW0085: 1 letter / fragment to
          JFWH, 27 October 1856); 12.19 (on verso of MW0056: 5 letters to JFWH, 2 January, 3 May and
          16 July 1867, 5 June 1868, undated); 12.19 (on verso of MW0056: 1 letter to JFWH from
          unidentified Herschel, undated); 12.19 (on verso of MW0056: 6 letters from JFWH, 14-26
          November 1867, 17 July 1868, undated); 12.29 (on verso of W0963c: 2 letters to JFWH,
          undated); 12.29 (on verso of W0963c: 1 letter from JFWH, undated); 13.5 (on verso of
          W0971: 2 incomplete letters from unidentified to JFWH, undated); 13.9 (on verso of W0977:
          1 letter to JFWH, undated); 13.10 (on verso of W1003: 1 letter from JFWH); 13.19 (on verso
          of W1008: 1 letter to JFWH, 25 February 1863); 14.6 (on verso of L0613: 1 form letter from
          JFWH, May 1854); 14.24 (on verso of L0753a: 1 letter from GCB to JFWH, 16 August 1861);
          15.11 (on verso of MW0100: 1 letter from JFWH, 11 February no year); 15.32 (on verso of
          W0177: 1 letter from JFWH, undated); 21.13 (on verso of MW0124: 1 letter / draft from
          JFWH, undated); 24.12 (1 letter from JFWH, 20 October 1852, L0666.2); 28.11 (51 letters
          from JFWH, circa 1850-1860s, L0410-L0411, L0593-L0594, L0599-L0600, L0606, L0609, L0618,
          L0630-L0631, L0640-L0647, L0656, L0683-L0684, L0686, L0705, L0715-L0716, L0729-L0730,
          L0733-L0734, L0736-L0737, L0742-L0744, L0746-L0747, L0749.1, L0749.3-5, :0749.7,
          L0751-L0752, L0755, L0758, L0761, L0764); 30.1 (on verso of M0154: 1 letter / draft from
          JFWH, undated); 30.19 (on verso of M0935: letter to unidentified, undated); 33.2 (on verso
          of M0496: notes by JFWH, 10 January 1851); 33.3 (on verso of M0946: 1 letter / draft from
          JFWH, 1855 or later); 33.13 (on verso of M0579: letter / draft from JFWH to unidentified,
          1864 or later); 33.20 (8 letters to JFWH, 10 August 1841-25 May 1855, M0908, M0912-M0914,
          M0916, M0957, M1180); 35.12. (1 letter to WH from unidentified Herschel, 2? August 1795,
          M0809); 35.12 (2 letters to WH, undated, circa 1824 and 8 May 1788, M1106); 39.7 (1 letter
          from unidentified Herschel to unidentified Herschel, 23 July 1838, M0808); 39.7 (1 letter
          from unidentified Herschel to Bayley, 27 July 1867, M1095); 39.7 (1 note from unidentified
          Herschel to unidentified, undated, M1157); 40.1 (on verso of W0154: 1 letter / fragment to
          dear Papa (JFWH?), undated); 41.5 (1 letter to Sir Edward Sabine, undated, M0962); 41.5 (1
          letter to William Whewell, undated, M1017); 41.7 (1 letter to Sir George Biddell Airy, 15
          October 1844, M0646); 41.7 (1 letter re Master of the Mint, undated, M0956); 41.7 (2
          letters to the Times, undated, M0958-M0959); 41.7 (1 letter to Reynolds, undated, M0961);
          41.7 (1 letter to Mr. Wade, 1840s or later, M0963); 41.7 (1 letter to Warner, undated,
          M0964); 43.2 (6 envelopes addressed to JFWH, undated, M0953); osf 4 (1 letter / with
          calculations and diagrams from JFWH, 7 October 1817, L0638)</item>
      </list>
    </odd>
    <odd type="index">
      <head>Identification Number Index</head>
      <p>Some items in the following index are denoted as <emph render="doublequote">removed
          from</emph> a particular identification number. For example, letters from various members
        of John Herschel's family to Caroline Lucretia Herschel were originally interfiled
        chronologically and assigned numbers L0568-L0592. During reprocessing in 2011, John
        Herschel's letters to his aunt Caroline were kept filed with his outgoing correspondence at
        25.5-7; but letters from the other Herschels to Caroline were separated and filed with her
        incoming correspondence at 37.7-13. Similarly, some items that were formerly held in a group
        of <emph render="doublequote">Unidentified optical manuscripts</emph> (W0354) were
        individually identified and more appropriately filed.</p>
      <list>
        <item>L0001-L0009--24.2</item>
        <item>L0010-L0027--24.3</item>
        <item>L0028-L0034--24.4</item>
        <item>L0035-L0037--24.1</item>
        <item>L0038--24.1</item>
        <item>L0039-L0045--24.5</item>
        <item>L0046-L0054--24.8</item>
        <item>L0055--24.6</item>
        <item>L0056--24.6</item>
        <item>L0057-L0078--24.9</item>
        <item>L0079--24.6</item>
        <item>L0080--24.6</item>
        <item>L0081-L0083--24.10</item>
        <item>L0084--24.6</item>
        <item>L0085-L0087--24.6</item>
        <item>L0088--24.6</item>
        <item>L0089--24.6</item>
        <item>L0090--24.6</item>
        <item>L0091--24.6</item>
        <item>L0092-L0099--24.11</item>
        <item>L0100--24.6</item>
        <item>L0101--24.6</item>
        <item>L0102-L0109--24.12</item>
        <item>L0110-L0112--24.7</item>
        <item>L0113--24.7</item>
        <item>L0114-L0116--24.7</item>
        <item>L0117-L0118--24.7</item>
        <item>L0119--24.7</item>
        <item>L0120--24.13</item>
        <item>L0121-L0124--24.20</item>
        <item>L0125--24.13</item>
        <item>L0126-L0127--24.13</item>
        <item>L0128-L0129--24.13</item>
        <item>L0130--24.13</item>
        <item>L0131-L0132--24.13</item>
        <item>L0133--24.13</item>
        <item>L0134--24.14</item>
        <item>L0135-L0136--24.15</item>
        <item>L0137-L0140--24.16</item>
        <item>L0141--25.2</item>
        <item>L0142-L0144--27.8</item>
        <item>L0145--24.13</item>
        <item>L0146--24.13</item>
        <item>L0147--24.13</item>
        <item>L0148--24.17</item>
        <item>L0149--24.17</item>
        <item>L0150-L0152--24.17</item>
        <item>L0153-L0156--24.18</item>
        <item>L0157-L0159--24.17</item>
        <item>L0160--24.17</item>
        <item>L0161--24.17</item>
        <item>L0162-L0166--24.19</item>
        <item>L0167--25.1</item>
        <item>L0168--24.17</item>
        <item>L0169--24.17</item>
        <item>L0170--24.17</item>
        <item>L0171-L0173--24.17</item>
        <item>L0174--24.17</item>
        <item>L0175--24.17</item>
        <item>L0176--24.17</item>
        <item>L0177--25.1</item>
        <item>L0178--25.1</item>
        <item>L0179-L0181--25.1</item>
        <item>L0182--25.1</item>
        <item>L0183-L0185--25.2</item>
        <item>L0186--25.1</item>
        <item>L0187--25.1</item>
        <item>L0188--25.1</item>
        <item>L0189-L0191--27.2</item>
        <item>L0192-L0193--25.1</item>
        <item>L0194--24.7</item>
        <item>L0195--25.1</item>
        <item>L0196--25.1</item>
        <item>L0197-L0199--25.1</item>
        <item>L0200--25.1</item>
        <item>L0201--26.6</item>
        <item>L0202--26.6</item>
        <item>L0203-L0204--26.6</item>
        <item>L0205-L0208--26.7</item>
        <item>L0209-L0210--26.6</item>
        <item>L0211--26.6</item>
        <item>L0212--26.6</item>
        <item>L0213--26.6</item>
        <item>L0214-L0216--26.6</item>
        <item>L0217--26.6</item>
        <item>L0218--26.8</item>
        <item>L0219-L0220--26.8</item>
        <item>L0221--26.8</item>
        <item>L0222--26.8</item>
        <item>L0223--26.8</item>
        <item>L0224--26.8</item>
        <item>L0225--26.8</item>
        <item>L0226-L0227--25.1</item>
        <item>L0228--24.13</item>
        <item>L0229-L0232--27.8</item>
        <item>L0233-L0234--26.8</item>
        <item>L0235-L0236--26.8</item>
        <item>L0237--26.9</item>
        <item>L0238- L0239--26.9</item>
        <item>L0240-L0242--26.9</item>
        <item>L0243--26.9</item>
        <item>L0244-L0245--26.9</item>
        <item>L0246-L0247--26.9</item>
        <item>L0248--26.9</item>
        <item>L0249-L0252--26.10</item>
        <item>L0253--26.9</item>
        <item>L0254-L0256--26.9</item>
        <item>L0257--26.14</item>
        <item>L0258--26.9</item>
        <item>L0259--None</item>
        <item>L0260--26.9</item>
        <item>L0261-L0262--26.9</item>
        <item>L0263--26.9</item>
        <item>L0264--26.9</item>
        <item>L0265--26.9</item>
        <item>L0266--26.9</item>
        <item>L0267-L0271--26.11</item>
        <item>L0272-L0280--26.12</item>
        <item>L0281--26.13</item>
        <item>L0282--26.13</item>
        <item>L0283-L0286--26.14</item>
        <item>L0287-L0288--26.13</item>
        <item>L0289-L0290--26.13</item>
        <item>L0291-L0292--26.13</item>
        <item>L0293--26.13</item>
        <item>L0294-L0295--26.13</item>
        <item>L0296--26.13</item>
        <item>L0297--26.13</item>
        <item>L0298--26.13</item>
        <item>L0299--26.13</item>
        <item>L0300--26.13</item>
        <item>L0301-L0302--26.13</item>
        <item>L0303-L0305--26.13</item>
        <item>L0306-L0313--26.15</item>
        <item>L0314--26.13</item>
        <item>L0315-L0316--26.13</item>
        <item>L0317--26.13</item>
        <item>L0318-L0319--26.16</item>
        <item>L0320--26.17</item>
        <item>L0321-L0337--27.3</item>
        <item>L0338--27.1</item>
        <item>L0339--27.1</item>
        <item>L0340--27.1</item>
        <item>L0341-L0343--27.1</item>
        <item>L0344-L0345--27.1</item>
        <item>L0346-L0354--27.6</item>
        <item>L0355-L0357--27.1</item>
        <item>L0358--27.1</item>
        <item>L0359--27.7</item>
        <item>L0360-L0378--27.9</item>
        <item>L0379--27.8</item>
        <item>L0380--27.8</item>
        <item>L0381--27.8</item>
        <item>L0382--27.8</item>
        <item>L0383-L0384--27.8</item>
        <item>L0385--27.8</item>
        <item>L0386--27.8</item>
        <item>L0387--27.8</item>
        <item>L0388--27.8</item>
        <item>L0389-L0390--27.8</item>
        <item>L0391--27.8</item>
        <item>L0392--27.8</item>
        <item>L0393-L0396--27.16</item>
        <item>L0397-L0409--27.11-15</item>
        <item>L0410-L0411--28.11</item>
        <item>L0412-L0462--27.11-15</item>
        <item>L0463-L0466--27.8</item>
        <item>L0467-L0472--28.1</item>
        <item>L0473--27.8</item>
        <item>L0474-L0478--28.2</item>
        <item>L0479-L0485--28.3-6</item>
        <item>L0486--28.7</item>
        <item>L0487--28.7</item>
        <item>L0488--28.7</item>
        <item>L0489-L0492--28.8</item>
        <item>L0493--28.7</item>
        <item>L0494--28.7</item>
        <item>L0495--28.7</item>
        <item>L0496--28.7</item>
        <item>L0497--28.7</item>
        <item>L0498--28.7</item>
        <item>L0499--28.7</item>
        <item>L0500--28.7</item>
        <item>L0501-L0506--28.9</item>
        <item>L0507-L0508--28.10</item>
        <item>L0509--28.7</item>
        <item>L0510--28.7</item>
        <item>L0511--28.7</item>
        <item>L0512--28.7</item>
        <item>L0513--28.7</item>
        <item>L0514-L0522--25.13-26.3</item>
        <item>L0521--26.3</item>
        <item>L0523--25.3</item>
        <item>L0524-L0526--25.4</item>
        <item>L0527--25.8</item>
        <item>L0528--25.9</item>
        <item>L0529-L0531--25.10</item>
        <item>L0532-L0535--25.12</item>
        <item>L0536-L0545--25.11</item>
        <item>L0546-556--26.4</item>
        <item>L0557-L0566--26.5</item>
        <item>L0567--37.7</item>
        <item>L0567 (removed from)--37.13</item>
        <item>L0567 (removed from)--37.8</item>
        <item>L0568-L0592--25.5-7</item>
        <item>L0575-L0592 (removed from)--37.9-11</item>
        <item>L0583 (removed from)--37.8</item>
        <item>L0583-L0590 (removed from)--37.7</item>
        <item>L0585-L0586 (removed from)--37.8</item>
        <item>L0585-L0586 (removed from)--37.13</item>
        <item>L0586 (removed from)--37.12</item>
        <item>L0588-L0589 (removed from)--37.13</item>
        <item>L0591-L0592 (removed from)--37.13</item>
        <item>L0593-L0594--28.11</item>
        <item>L0595--24.3</item>
        <item>L0596-L0597--27.5</item>
        <item>L0598--28.3-6</item>
        <item>L0599-L0600--28.11</item>
        <item>L0601-L0603--15.38</item>
        <item>L0604--24.10</item>
        <item>L0605--28.3-6</item>
        <item>L0606--28.11</item>
        <item>L0607--28.3-6</item>
        <item>L0608--27.5</item>
        <item>L0609--28.11</item>
        <item>L0610-L0612--27.5</item>
        <item>L0613--14.6</item>
        <item>L0614--27.5</item>
        <item>L0615--24.11</item>
        <item>L0616-L0617--27.5</item>
        <item>L0618--28.11</item>
        <item>L0619-L0622--27.5</item>
        <item>L0623-L0626--28.3-6</item>
        <item>L0627--27.5</item>
        <item>L0628--28.3-6</item>
        <item>L0629--24.10</item>
        <item>L0630-L0631--28.11</item>
        <item>L0632--27.9</item>
        <item>L0633--27.5</item>
        <item>L0634--26.15</item>
        <item>L0635--28.3-6</item>
        <item>L0636--24.4</item>
        <item>L0637--None</item>
        <item>L0638--osf 4</item>
        <item>L0639--None</item>
        <item>L0640-L0647--28.11</item>
        <item>L0648-L0649--24.11</item>
        <item>L0650--25.2</item>
        <item>L0651--27.5</item>
        <item>L0652-L0653--28.3-6</item>
        <item>L0654--25.2</item>
        <item>L0655--25.1</item>
        <item>L0656--28.11</item>
        <item>L0657--26.15</item>
        <item>L0658-L0660--27.5</item>
        <item>L0661-L0662--28.3-6</item>
        <item>L0663-L0665--27.5</item>
        <item>L0666.1--24.12</item>
        <item>L0666.2--24.12</item>
        <item>L0667--27.5</item>
        <item>L0668--28.3-6</item>
        <item>L0669--25.2</item>
        <item>L0670--27.5</item>
        <item>L0671--24.12</item>
        <item>L0672-L0673--28.3-6</item>
        <item>L0674--28.8</item>
        <item>L0675--28.10</item>
        <item>L0676--24.10</item>
        <item>L0677--27.2</item>
        <item>L0678-L0681--28.3-6</item>
        <item>L0682--27.2</item>
        <item>L0683-L0684--28.11</item>
        <item>L0685--27.5</item>
        <item>L0686--28.11</item>
        <item>L0687-L0688--27.5</item>
        <item>L0689--28.3-6</item>
        <item>L0690-L0692--27.5</item>
        <item>L0693--28.7</item>
        <item>L0694--27.5</item>
        <item>L0695--24.12</item>
        <item>L0696-L0699--28.3-6</item>
        <item>L0700--27.5</item>
        <item>L0701--24.12</item>
        <item>L0702--28.3-6</item>
        <item>L0703-L0704--27.5</item>
        <item>L0705--28.11</item>
        <item>L0706--28.3-6</item>
        <item>L0707--27.8</item>
        <item>L0708-L0709--27.5</item>
        <item>L0710--28.3-6</item>
        <item>L0711--24.10</item>
        <item>L0712--28.3-6</item>
        <item>L0713--24.13</item>
        <item>L0714--28.3-6</item>
        <item>L0715-L0716--28.11</item>
        <item>L0717--27.5</item>
        <item>L0718--24.12</item>
        <item>L0719--27.5</item>
        <item>L0720--24.10</item>
        <item>L0721--27.2</item>
        <item>L0722--27.4</item>
        <item>L0723--32.19</item>
        <item>L0724-L0725--29.11</item>
        <item>L0726--26.13</item>
        <item>L0727--27.8</item>
        <item>L0728--27.8</item>
        <item>L0729-L0730--28.11</item>
        <item>L0731--26.13</item>
        <item>L0732--26.8</item>
        <item>L0733-L0734--28.11</item>
        <item>L0735--24.14</item>
        <item>L0736-L0737--28.11</item>
        <item>L0738--26.6</item>
        <item>L0739-L0741--27.4</item>
        <item>L0742-L0744--28.11</item>
        <item>L0745--27.8</item>
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        <item>W0208--osf 4</item>
        <item>W0209--15.22</item>
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        <item>W0245--8.2-3</item>
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        <item>W0249--12.7</item>
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        <item>W0257-W0258--12.3</item>
        <item>W0259--9.28</item>
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        <item>W0262--10.3</item>
        <item>W0263--10.9</item>
        <item>W0264--9.25</item>
        <item>W0265--10.10</item>
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        <item>W0277--10.4</item>
        <item>W0278--9.32</item>
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        <item>W0282--10.16</item>
        <item>W0283--10.19</item>
        <item>W0284--10.20</item>
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        <item>W0294--11.24</item>
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        <item>W0296--11.26</item>
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        <item>W0319--11.34</item>
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        <item>W0326--11.10</item>
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        <item>W0328--11.9</item>
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        <item>W0333--10.49</item>
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        <item>W0379--40.12</item>
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        <item>W0388-W0405--3.18</item>
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</ead>

