Paper, 'Experiments made upon metals with the Duke of Orleans his burning-glasse' by M [Claude Joseph] Geoffroy
Reference number: CLP/11i/43
Date: 1709
Description
Paper by Geoffroy regarding experiments conducted using the Duke of Orleans' burning glass to examine the effect of heat on various metals, including iron, copper, tin, and lead. Geoffroy's conclusions were that the four metals were composed of a sulphur or oily substance and a metallic earth capable of vitrification.
Subject: Chemistry
Published in Philosophical Transactions as 'Experiments upon metals, made with the Burning-glass of the Duke of Orleans'.
Read to the Royal Society on 2 November 1709.
- Reference number
- CLP/11i/43
- Earliest possible date
- 1709
- Physical description
- Ink on paper
- Page extent
- 10 pages
- Format
- Manuscript
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Citation
Claude Joseph Geoffroy, Paper, 'Experiments made upon metals with the Duke of Orleans his burning-glasse' by M [Claude Joseph] Geoffroy, 1709, CLP/11i/43, The Royal Society Archives, London, https://makingscience.royalsociety.org/items/clp_11i_43/paper-experiments-made-upon-metals-with-the-duke-of-orleans-his-burning-glasse-by-m-claude-joseph-geoffroy, accessed on 12 August 2026
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Related Publications
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I. Experiments upon metals, made with the Burning-glass of the Duke of Orleans External link, opens in new tab.
Author: Claude Joseph Geoffroy
Date: 1st August 1709
DOI: 10.1098/rstl.1708.0059
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Claude Joseph Geoffroy
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Classified Papers
The 'Classified Papers' of the Royal Society are papers from British and international natural philosophers and scholars categorised according to subject areas.
Dates: 1592 - 1741
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