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Enclosing a copy of his new system of the celestial sphere followed by a method for finding the longitude at sea (see EL/R1/77)

Reference number
Earliest possible date
24 June 1732
Page extent
3 pages

Creator name

C Rocquette

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C Rocquette, Letter, from P. I. Rocquette to Hans Sloane, dated at St Petersbourg [St Petersburg], 24 June 1732, EL/R1/76, The Royal Society Archives, London,, accessed on 22 July 2024

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  • Early Letters

    Dates: 1613-1740

    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.

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