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Description

Lists experiments that he has carried out.
Experiments for 1732:
a) experiments with brass syringes
b) pyrometer to show how metals expand by heat

Experiments for 1735-1736:
a) steel bars moving on joints which raised weights with pulleys
b) electrical and magnetic experiments (not detailed)

Reference number
EL/D2/73
Earliest possible date
29 October 1733
Page extent
5 pages
Format
Manuscript

Creator names

John Theophilus Desaguliers

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John Theophilus Desaguliers

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Citation

John Theophilus Desaguliers, John Theophilus Desaguliers, Letter, from John Desaguliers to Cromwell Mortimer, 29 October 1733, EL/D2/73, The Royal Society Archives, London, https://makingscience.royalsociety.org/items/el_d2_73/letter-from-john-desaguliers-to-cromwell-mortimer, accessed on 17 April 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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