Skip to content

Please be aware that some material may contain words, descriptions or illustrations which will not reflect current scientific understanding and may be considered in today's context inaccurate, unethical, offensive or distressing.

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

View page for John Flamsteed

Use this record

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 23 May 2024

Link to this record

Embed this record

<iframe src="https://makingscience.royalsociety.org/embed/items/el_f1_102/copy-of-a-letter-from-john-flamsteed-to-jean-cassini-dated-at-derby" title="Copy of a letter, from John Flamsteed to Jean Cassini, dated at Derby" allow="fullscreen" frameborder="0" width="100%" height="500px"></iframe>

Related Fellows

Map

Explore the collection

  • 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.

    View collection