Letter, from John Conrad Francis de Hatzfeld to the Royal Society, dated at London
Reference number: EL/H3/125
Date: 28 July 1725
Description
Sends another example of his wheel for perpetual motion (with figure)
- Reference number
- EL/H3/125
- Earliest possible date
- 28 July 1725
- Page extent
- 1 page
- Format
- Manuscript
- Also available on Early Modern Letters Online
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Citation
John Conrad Francis von Hatzfeld, Letter, from John Conrad Francis de Hatzfeld to the Royal Society, dated at London, 28 July 1725, EL/H3/125, The Royal Society Archives, London, https://makingscience.royalsociety.org/items/el_h3_125/letter-from-john-conrad-francis-de-hatzfeld-to-the-royal-society-dated-at-london, accessed on 11 October 2026
Link to this record
https://makingscience.royalsociety.org/items/el_h3_125/letter-from-john-conrad-francis-de-hatzfeld-to-the-royal-society-dated-at-london
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This item is part of:
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'Early letters': letters from correspondents in natural philosophy sent to the Royal Society and its Fellows
1613-1740 Reference number: EL -
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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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