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The Royal Society: Science in the Making

Correspondence Explorer

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Showing 7 letters from 1736–1739

7 letters from Andreas Celsius; 0 letters from Cromwell Mortimer

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The note has the names of those who went on the northern expedition, who were Maupertuis, Clairaut, Camus, Mormier of the Academy of Sciences and Abbe Outhier, together with a secretary, painter, five servants and a cook.

Reference number: EL/C2/93

Celsius states that the expedition team are on Mountain Korpicula, arriving on the day of the solstice Read to the Royal Society on 28 October 1736 Original letter, which was in French, now no longer exists and was dated 1 July 1736

Reference number: EL/C3/33
1737

Original was dated 19 February 1737 and was in French Concerning experiments at Tornea and Pello in Lapland (on the Swedish-Finnish border) in determining the figure of the earth; encloses a letter from Alexis Clairaut with his paper on the figure of the earth, and proposes him as a candidate for election to the Fellowship; informing the Royal Society that M de Isle intends to take measurements of the gulf of Finland in determining the figure of the earth.

Reference number: EL/C3/1

Concerning experiments at Pello (on the Swedish-Finnish border) Stating that he was going to visit a monument with an inscription in unknown characters Stating that the expedition team was waiting for the ice to melt Original letter, which was in French, now no longer exists and was dated 9 April 1737

Reference number: EL/C3/30
1738

Celsius states that he sends his comments on Cassini's deduction of the figure of the earth, and that he has found some English coins with runic inscriptions, asking if there was a King of England called Othin. The original letter, which now no longer exists, was in French and dated 14 March 1738

Reference number: EL/C3/9

Celsius states that he has found some English coins with runic characters and wants to know if there was a King of England called Othin

Reference number: EL/C3/31
1739

Celsius states that he sends three volumes of 'Acta Literaria Suecia' The extract is in English and French

Reference number: EL/C3/10