Scope and Contents Undated items, mostly in hands other than Flamsteed's, including mathematical notes by Jonas Moore (155r-159v); 'The Observation of Easter' (160r-165v); optical and mathematical notes (166r-170r, 210r-213r, 220r-226v); 'De Latitudine Lunae', in one whole and one part chapter (171r-174v); a note of Burstow expenses (175r); 'Speculum Archimedis' (176r-177r); a table of right ascensions by Abraham Sharp (178r); 'Conceptions by what means to come to the knowledge of distances of places' by...

Scope and Contents Roughly datable items in hands other than Flamsteed's, mainly on astronomical subjects, including observing notes in William Crabtree's hand, 1638 (120r-124v); 'De inclinatione Magneticale', in an unidentified hand [c. 1640] (125r-126r); 'Ephemeris Anni Christi 1652' (127v-129v); a copy of an order concerning Gresham College, in Jonas Moore's hand [c. 1676] (130r-131r); predicted places of the Moon and Saturn for 1677-1678 (132r-133v); a diagram of a 1684 comet by Abraham Sharp (134r);...

Scope and Contents An untitled book of calculations and tables relating to Saturn, Jupiter, Jupiter's satellites and other planets, and to lunar and stellar places, 186 folios. There is a copy of a letter to John Caswell about a geometrical theorem (80v), tables of refractions (185r), and a conversion table for the scale of an instrument (inside the back cover). The writing is mostly in Flamsteed's hand, but other hands also appear, including that of Abraham Sharp. The volume was begun on 16 December 1689. The...

Scope and Contents An untitled compilation of notes and other papers on a range of subjects, 192 folios. The earlier part of the book is in Flamsteed's hand, but the hands of assistants and unidentified pupils appear with increasing frequency thereafter. There is a two-part contents page by Flamsteed.The volume includes various observations: of solar altitude, made in New England [by Thomas Brattle] (21rv); of an occultation and lunar eclipse by Johann Hevelius, 1681-1682 (22r, 28v-30v); of comets,...

Scope and Contents A compilation entitled 'Tables of the Motions of Jupiter's Satellites' on the front cover, and 'Liber Tabularum' ('Book of Tables') by the compiler, 74 folios. There are tables of Jupiter's satellites (2v-20v, 35v) and of Jupiter (28r-30v, 36v); tables of tides (21v-22r); ballistic data (22v-23r); tables of the equation of time (23v-25v, 31r); nonagesimal tables (25v-27v); ecliptic declinations by Abraham Sharp (32v-33v); solar places for 1726 (36r); tables of the equation of light, with...

Scope and Contents Flamsteed's drafts of letters, and letters received by others, including Flamsteed to Glen about earthquakes [1692] (95rv); an incomplete reply [to Wren?] to criticisms of Flamsteed's piece on stellar parallax [c. 1700]; Flamsteed [to Pepys?] on the training of naval officers [c. 1697] (99rv); a complaint about pews in Greenwich church [c. 1718] (100r); John Vermuyden to Steven Flamsteed, 1673 (101r); anon. to Immanuel Halton, 1676 (103r); William Balle to Sir Jonas Moore, 1677 (104rv);...

Scope and Contents A guardbook of letters received by Flamsteed, with some drafts of replies and some copies of both, 163 folios. The correspondents are mainly in the English provinces, although some write from abroad, and there are also original letters from Flamsteed to Sir Jonas Moore. The letters date primarily from 1671 to 1719, but a few are either undated or possibly earlier. Apart from those to Moore, most of the letters are of the eighteenth century. Many of the sheets have rough arithmetical notes on...

Scope and Contents Correspondence and some related papers regarding Herstmonceux Castle and the Royal Observatory, including the following items:General correspondence regarding the Observatory, including the administration of the grounds of Herstmonceux Castle, the supply of trout for the lake at the Castle, and the supply of wild fowl for the Castle grounds, 1963.Requests for information from the Royal Observatory archives, mostly dealt with by P.S. Laurie, 1963.Correspondence between...

Scope and Contents A guardbook of letters from the former Greenwich assistant Abraham Sharp (who initiated the correspondence) to Flamsteed, with some of the originally enclosed astronomical and mathematical notes, 162 folios. The letters are chiefly on the rectos, with the direction and note of receipt, contents and numbering by Flamsteed on the versos. The surviving series is substantially complete. Subjects discussed include mathematical and astronomical books, astronomical calculations, the aurora...

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'Fixarum planetarumque observationes Arcu Murali' ('Observations of the fixed stars and of the planets with the Mural Arc'), 10 September 1689 - 17 January 1691, with a note dated 5 November 1712, 115 folios. The writing is mainly in Abraham Sharp's hand, but those of Flamsteed and another author also appear. The volume includes notes on the pole star, errors of the mural arc (95v-97r), tables of Jupiter (98r-102r), notes on the tides (111v), and sketch portraits (3v, 81v, 113v).

Scope and Contents Correspondence and other items from a guardbook regarding the printing of Flamsteed's works, 98 folios. The papers include letters from the 'Referees' and drafts of Flamsteed's replies; an 'Estimate of the Expence of Printing the Historia Coelestis' (19r); 'Articles for Printing' (34r-39r); a draft agreement (43r); and draft petitions to the Queen (49r-50r, 66r). There are also related statements by Flamsteed concerning his personal history, including drafts of his 'Account of the...

Scope and Contents Accounts and other records of a Derbyshire lead-mining concern, March 1674 - January 1688 (4v-97r, 216r-221r, 225v-236v), written in Steven Flamsteed's hand, and featuring his signature and that of Cornelius Vermuyden. The book was used subsequently by John Flamsteed for copies, written in various hands, of letters dating from 10 July 1688 onwards, chiefly January 1698 - 25 April 1719. There are notes about negotiations over the publication of Flamsteed's works (passim between 121r and 132r,...

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Lunar and planetary calculations and tables, 423 folios (foliated continuously). The writing is in the hands of Flamsteed, Abraham Sharp and others

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Lunar, planetary and stellar calculations by Flamsteed, Abraham Sharp and Abraham Ryley, 454 folios (foliated continuously). Some of the lunar calculations are on the backs of records of court cases in Derbyshire.

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A negative microfilm made by the Public Record Office of RGO 1/34, a guardbook of letters from Abraham Sharp to John Flamsteed, 1702-1719.

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'Apographa' ('Exact copies'), third part: 'Observationes Britan-nicae Regiae' made between January 1704 and November 1715, mainly in Joseph Crosthwait's hand, 131 folios. The volume includes biographical notes (front board to 2r), and eclipse and other data obtained from Stephen Gray, Abraham Sharp and William Derham (passim).

Scope and Contents Correspondence and other papers relating to different aspects of the history of the Royal Observatory:Copy of John Flamsteed's will.Copy of Edmond Halley's will.Correspondence from F. Streatfield asking for a list of Astronomers Royals and other information, and a letter from W.S. Granville Richards asking for any information about T. Taylor in the Royal Observatory records, 1878.Correspondence with Captain S.P. Oliver on the subject of Halley's monument,...