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Weston, Thomas, fl1699 - 1725 (assistant at Royal Observatory)

 Person

Found in 3 Collections and/or Records:

 File

First notes of mural arc observations, 1698 - 1708

 File
Reference Code: GBR/0180/RGO 1/7
Scope and Contents

'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).

Dates: 1698 - 1708
Conditions Governing Access: From the Management Group: Unless restrictions apply, the collection is open for consultation by researchers using the Manuscripts Reading Room at Cambridge University Library. For further details on conditions governing access please contact mss@lib.cam.ac.uk. Information about opening hours and obtaining a Cambridge University Library reader's ticket is available from the Library's website (www.lib.cam.ac.uk).
Found in: Cambridge University Library / Royal Greenwich Observatory Archives / Papers of John Flamsteed
 File

Lunar observations and star catalogues, 1690 - 1702

 File
Reference Code: GBR/0180/RGO 1/20
Scope and Contents A compilation of lunar observations, with star catalogues, mainly in Flamsteed's hand, 184 folios. The volume includes 'Lunae Observationes Britannicae Regiae' ('Lunar Observations of the British Realm') made between May 1675 and September 1689, with data from various sources and analytical notes (3r-94r); 'Claudii Ptolemei ... Fixarum Catalogus' (Ptolemy's catalogue of the fixed stars), translated into Latin and compared with other catalogues by Flamsteed, 1702 (105r-128r); calculations...
Dates: 1690 - 1702
Conditions Governing Access: From the Management Group: Unless restrictions apply, the collection is open for consultation by researchers using the Manuscripts Reading Room at Cambridge University Library. For further details on conditions governing access please contact mss@lib.cam.ac.uk. Information about opening hours and obtaining a Cambridge University Library reader's ticket is available from the Library's website (www.lib.cam.ac.uk).
Found in: Cambridge University Library / Royal Greenwich Observatory Archives / Papers of John Flamsteed
 File

Mural arc observations, 1703 - 1709

 File
Reference Code: GBR/0180/RGO 1/16
Scope and Contents

'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.

Dates: 1703 - 1709
Conditions Governing Access: From the Management Group: Unless restrictions apply, the collection is open for consultation by researchers using the Manuscripts Reading Room at Cambridge University Library. For further details on conditions governing access please contact mss@lib.cam.ac.uk. Information about opening hours and obtaining a Cambridge University Library reader's ticket is available from the Library's website (www.lib.cam.ac.uk).
Found in: Cambridge University Library / Royal Greenwich Observatory Archives / Papers of John Flamsteed

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