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The Royal Society: Science in the Making

Account of a system of the celestial sphere followed by a method for finding longitude upon sea by P.I. Roquette [Rocquette], watch maker to her imperial Russian majesty, dated at St Petersbourgh [St Petersburg]

Reference number: EL/R1/77

Date: 24 June 1732

Description

Note reads: 'Not to be copied being printed'

Reference number
EL/R1/77
Earliest possible date
24 June 1732
Page extent
14 pages
Format
Manuscript

Creator name

P. I. Roquette

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Citation

P. I. Roquette, Account of a system of the celestial sphere followed by a method for finding longitude upon sea by P.I. Roquette [Rocquette], watch maker to her imperial Russian majesty, dated at St Petersbourgh [St Petersburg], 24 June 1732, EL/R1/77, The Royal Society Archives, London, https://makingscience.royalsociety.org/items/el_r1_77/account-of-a-system-of-the-celestial-sphere-followed-by-a-method-for-finding-longitude-upon-sea-by-pi-roquette-rocquette-watch-maker-to-her-imperial-russian-majesty-dated-at-st-petersbourgh-st-petersburg, accessed on 17 May 2025

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https://makingscience.royalsociety.org/items/el_r1_77/account-of-a-system-of-the-celestial-sphere-followed-by-a-method-for-finding-longitude-upon-sea-by-pi-roquette-rocquette-watch-maker-to-her-imperial-russian-majesty-dated-at-st-petersbourgh-st-petersburg

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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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