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Copy of a letter, from Pierre Petit to Henry Oldenburg

Reference number: EL/P1/5

Date: 01 January 1667


Original letter dated 5 April 1667

Concerning theories on the subject of the variation of magnetic declination (see EL/P1/6); concerning Petit's paper on the latitude at Paris and magnet declination printed in 1660; can send a paper on the properties of lodestones

Read at the Royal Society on 30 May 1667

Reference number
Earliest possible date
01 January 1667
Page extent
2 pages

Creator name

Pierre Petit

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Pierre Petit, Copy of a letter, from Pierre Petit to Henry Oldenburg, 01 January 1667, EL/P1/5, The Royal Society Archives, London,, accessed on 13 April 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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