Extract of a letter, from John Flamsteed to John Collins
Reference number: EL/F1/108
Date: 14 December 1674
Description
States that he has calculated new solar numbers; questioning whether the refraction in Cassini's tables is accurate; discussing calculations for the equation of the Earth's motion to determine the equation of the Earth's orb
Printed in 'Philosophical Transactions', vol 9, no 110, p 219
- Reference number
- EL/F1/108
- Earliest possible date
- 14 December 1674
- Page extent
- 3 pages
- Format
- Manuscript
- Also available on Early Modern Letters Online
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Citation
John Flamsteed, John Flamsteed, John (1646-1719), Extract of a letter, from John Flamsteed to John Collins, 14 December 1674, EL/F1/108, The Royal Society Archives, London, https://makingscience.royalsociety.org/items/el_f1_108/extract-of-a-letter-from-john-flamsteed-to-john-collins, accessed on 12 May 2026
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Related Publications
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Extracts of two letters, written by Mr. Flamsteed to Mr. Collins; the one of Novemb. 25. 1674. concerning an instrument to shew the moons true place to a minute or two; as also the writer's design of correcting the hitherto assign'd motions of the sun: The other, of Decemb. 14. 1674. touching the necessity of making new solar numbers, together with an expedient for making trial, whether the refractions in Signor Cassini's tables are just. Extracts of the fifth Letter External link, opens in new tab.
Author: John Flamsteed
Date: 25th January 1675
DOI: 10.1098/rstl.1674.0048
Hierarchy
This item is part of:
-
'Early letters': letters from correspondents in natural philosophy sent to the Royal Society and its Fellows
1613-1740 Reference number: EL -
Related Fellows
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John Collins
Recipient -
John Flamsteed
Author
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Early Letters
The archival collection known as 'Early Letters' is composed of original manuscript letters sent to, or collected by, the Royal Society from English and foreign correspondents.
Dates: 1613 - 1740
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