Weston, Thomas, fl1699 - 1725 (assistant at Royal Observatory)
Found in 3 Collections and/or Records:
First notes of mural arc observations, 1698 - 1708
'Diarium Observationum Coelestium' ('Journal of observations of the heavens'): first notes of observations with the mural arc, 18 March 1698 - 17 November 1702, with notes to 7 June 1708, mainly in Hodgson's hand, although Flamsteed and Thomas Weston's also appear, 187 folios. The volume includes notes about early letters (2v) and on magnetic variation (47v-48r), and tables of errors of the mural arc (180v-182v).
Lunar observations and star catalogues, 1690 - 1702
Mural arc observations, 1703 - 1709
'Apographa' ('Exact copies'), second part: 'Observationes Coelestes' made between January 1694 and December 1703, with collected data from various sources and notes up to at least 1709, 185 folios. The volume includes work on instrument errors (2v-3r, 23r); observations of Mars compared with the Rudolphine Tables (172v-173r); and Flamsteed's 'Account of my Ancestors' (185v). The writing is mainly in James Hodgson's hand, but that of Thomas Weston also appears.