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Copy of a letter, from John Flamsteed to Jean Cassini, dated at Derby

Reference number: EL/F1/102

Date: 01 September 1673

Description

Discusses methods for determining the diameter of Jupiter and of Mars; discussing the solar parallax; discussing Horrocks's theory and the observations of Hevelius

Reference number
EL/F1/102
Earliest possible date
01 September 1673
Page extent
4 pages
Format
Manuscript

Creator name

John Flamsteed

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Citation

John Flamsteed, Copy of a letter, from John Flamsteed to Jean Cassini, dated at Derby, 01 September 1673, EL/F1/102, The Royal Society Archives, London, https://makingscience.royalsociety.org/items/el_f1_102/copy-of-a-letter-from-john-flamsteed-to-jean-cassini-dated-at-derby, accessed on 13 February 2025

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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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