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 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

First notes of observations with the mural arc, 2 January 1712 - 27 December 1719, in the hands of Joseph Crosthwait and Flamsteed, 191 folios. The volume includes data from William Derham, Stephen Gray, and Matthew Wright (5r, 14v, 43r), notes relating to engraving and printing (182r-188r), and accounts of the aurora borealis (40r, 186v).

Scope and Contents

'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).