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Le Cat says that he sends his observations of the ' foreman ovale' in an adult's heart, and that he has been observing the circulation of blood in a foetus

Reference number
Earliest possible date
01 September 1738
Page extent
1 page

Creator name

Claude Nicholas Le Cat

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Claude Nicholas Le Cat, Letter, from Claude Nicholas le Cat to Cromwell Mortimer, dated at Paris, 01 September 1738, EL/C3/11, The Royal Society Archives, London,, accessed on 20 June 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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