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Letter, from Armand de Gerard to Henry Oldenburg

Reference number: EL/G1/38

Date: 22 October 1673

Description

Sends a figure of the philosophical tree of Raymond Lull (c 1235-1315) which he describes (figure not attached). The tree was used to analyse the problems and concepts of medicine. Lists the names of authors of alchemical works and discusses the door of his cathedral at Sarlat in the Dordogne because it has the figures of ten pagan gods

Reference number
EL/G1/38
Earliest possible date
22 October 1673
Page extent
4 pages
Format
Manuscript

Creator name

Armand de Gerard

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Citation

Armand de Gerard, Letter, from Armand de Gerard to Henry Oldenburg, 22 October 1673, EL/G1/38, The Royal Society Archives, London, https://makingscience.royalsociety.org/items/el_g1_38/letter-from-armand-de-gerard-to-henry-oldenburg, accessed on 17 August 2026

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  • Early Letters

    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.

    Dates: 1613 - 1740

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