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The Royal Society: Science in the Making

Correspondence Explorer

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Showing 9 letters from 1736–1786

0 letters from Cromwell Mortimer; 9 letters from Alexis Claude Clairaut

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Clairaut discusses Isaac Newton's theory for determining the figure of the earth and then submits a paper on this subject (see EL/C3/19 for paper)

20 February 1736 Sender: Alexis Claude Clairaut , Alexis Claude Clairaut Reference number: EL/C3/17

Celsius states that the expedition group had arrived in Stockholm and that they were travelling to Tornea (on the Swedish-Finnish border) the next day. Read to the Royal Society on 10 June 1736. Original letter, which now no longer exists, was in French.

24 May 1736 Sender: Andreas Celsius , Alexis Claude Clairaut Reference number: EL/C3/22
1737

Giving thanks for his election to the Fellowship; concerning his work on the figure of the earth at Tornea with Celsius; concerning a paper on the aberration of light which makes a simple demonstration of Mr Bradley's rules

13 December 1737 Sender: Alexis Claude Clairaut , Alexis Claude Clairaut Reference number: EL/C3/2

Clairaut gives observations of his trip to Sweden - found that the earth was flattened towards the poles, as predicted by Isaac Newton, and that Cassini could not now refute this

15 September 1737 Sender: Alexis Claude Clairaut , Alexis Claude Clairaut Reference number: EL/C3/24

Clairaut gives observations of his trip to Sweden - found that the earth was flattened towards the poles, as Isaac Newton had predicted, and that Cassini could not now refute this

01 January 1737 Sender: Alexis Claude Clairaut , Alexis Claude Clairaut Reference number: EL/C3/25

Clairaut gives observations of his trip to Sweden - found that the earth was flattened towards the poles, as predicted by Isaac Newton, and that Cassini could not now refute this

01 January 1737 Sender: Alexis Claude Clairaut , Alexis Claude Clairaut Reference number: EL/C3/26

Giving thanks for his election to the Fellowship; concerning his work on the figure of the earth at Tornea with Celsius; and a paper on the aberration of light, saying that he could make a simple demonstration of Mr Bradley's rules

01 January 1737 Sender: Alexis Claude Clairaut , Alexis Claude Clairaut Reference number: EL/C3/36
1738

Clairaut states that he sends a letter for publication in 'Philosophical Transactiosn' but has not had time to translate it Original letter, which now no longer exists, was in French and dated 2 October 1738

01 January 1738 Sender: Alexis Claude Clairaut , Alexis Claude Clairaut Reference number: EL/C3/23
1786

Clairaut discusses Isaac Newton's theory for determining the figure of the earth and then submits a paper on his theory of this subject (see EL/C3/19 for paper)

20 February 1737 Sender: Alexis Claude Clairaut , Alexis Claude Clairaut Reference number: EL/C3/18