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The Royal Society: Science in the Making

Translated extract of a letter, from Antoine Deidier [to the Royal Society], dated at Marseilles

Reference number: EL/D2/74

Date: 01 January 1735

Description

An account of the origins of:
a) natural sulphur from the sulphur works at Pozzuoli near Naples
b) sal ammoniac (ammonium chloride), in particular, recounting letters from Father Sicard, about its preparation in Egypt
c) minerals acids of vitriol
d) saltpetre (potassium nitrate)
e) alum

Deidier sent this account which had not yet been published
Original letter, which now no longer exists, was in French

Reference number
EL/D2/74
Earliest possible date
01 January 1735
Page extent
27 pages
Format
Manuscript
Also available on Early Modern Letters Online
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Creator names

Antoine Deidier

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Antoine Deidier

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Citation

Antoine Deidier, Antoine Deidier, Translated extract of a letter, from Antoine Deidier [to the Royal Society], dated at Marseilles, 01 January 1735, EL/D2/74, The Royal Society Archives, London, https://makingscience.royalsociety.org/items/el_d2_74/translated-extract-of-a-letter-from-antoine-deidier-to-the-royal-society-dated-at-marseilles, accessed on 08 July 2025

Link to this record

https://makingscience.royalsociety.org/items/el_d2_74/translated-extract-of-a-letter-from-antoine-deidier-to-the-royal-society-dated-at-marseilles

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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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