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.

Extract of a letter, from John Flamsteed to John Collins

Reference number: EL/F1/107

Date: 25 November 1674


States that he has an instrument which can show the moon's true place to a minute or two; correcting Cassini's assigned motions of the sun

Reference number
Earliest possible date
25 November 1674
Page extent
2 pages

Creator name

John Flamsteed

View page for John Flamsteed

Use this record


John Flamsteed, Extract of a letter, from John Flamsteed to John Collins, 25 November 1674, EL/F1/107, The Royal Society Archives, London,, accessed on 19 April 2024

Link to this record

Embed this record

<iframe src="" title="Extract of a letter, from John Flamsteed to John Collins" allow="fullscreen" frameborder="0" width="100%" height="500px"></iframe>

Related Fellows

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