RGO Archives/RGO 1 contains:
<-- See earlier
2	First notes of sextant observations
3	First notes of sextant observations
4	First notes of mural arc observations
5	First notes of mural arc observations
6	First notes of mural arc observations
7	First notes of mural arc observations
8	First notes of mural arc observations
9	Correspondence and early observations
10	Observations at Derby, London and Greenwich
11	Observations at Greenwich
12	Compilation of observations
See later -->

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Papers of John Flamsteed

Title	First notes of mural arc observations
Reference	RGO 1/7 (former reference: A1/27)
Covering Dates	1698–1708
Extent and Medium	1 volume

Content and context

'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).

Further information

Indexed

Index Terms

Hodgson, James (1672-1755) mathematician

Weston, Thomas (fl 1699-1725) assistant at Royal Observatory

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