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Book of calculations, 1681 - 1684

Reference Code: GBR/0180/RGO 1/52

Scope and Contents

'Liber Supputationum' ('A book of calculations'), 113 folios, including work relating to the comet of 1680-1681 (1v-25v); optics, with a diagram marked 'Lectura 2a' (between 32v and 43r); Jupiter's satellites (passim after 46r) and the equation of light, with Römer's table (98v); lunar and solar eclipses (50r-54v, 65r-66r); the weight of metals (55v-56r); Saturn and Jupiter (passim after 85r); notes on 'Dr Goads Weather May 1682' (108rv); and 'Monsieur Picarts table of Refractions' (110rv). The volume was begun on 12 January 1681, and has dates up to 1 January 1684. The writing throughout is in Flamsteed's hand. There is an incomplete list of contents at the end (110rv).


  • Creation: 1681 - 1684


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 Information about opening hours and obtaining a Cambridge University Library reader's ticket is available from the Library's website (


1 volume(s) (1 volume)

Language of Materials


Former / Other Reference


Finding aid date

2005-10-20 09:29:51+00:00

Includes index.

Repository Details

Part of the Cambridge University Library Repository

Cambridge University Library
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Cambridge CB3 9DR United Kingdom