Letter, regarding Charles Brown's rotula arithmetica from unknown author to unknown recipient
Reference number: CLP/1/6
Date: 1698
Description
Letter regarding the invention by Charles Brown [erroneously referred to as George Brown in the letter] of a machine to aid in subtracting, multiplying and dividing.
Subject: Mathematics
Read to the Royal Society on 25 January 1698
- Reference number
- CLP/1/6
- Earliest possible date
- 1698
- Physical description
- Ink on paper
- Page extent
- 2 pages
- Format
- Manuscript
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Citation
Letter, regarding Charles Brown's rotula arithmetica from unknown author to unknown recipient, 1698, CLP/1/6, The Royal Society Archives, London, https://makingscience.royalsociety.org/items/clp_1_6/letter-regarding-charles-browns-rotula-arithmetica-from-unknown-author-to-unknown-recipient, accessed on 15 February 2026
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https://makingscience.royalsociety.org/items/clp_1_6/letter-regarding-charles-browns-rotula-arithmetica-from-unknown-author-to-unknown-recipient
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Hierarchy
This item is part of:
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Classified papers: volume 1 concerning 'Arithmetick, Algebra, Geometry, Trigonometry'
1669-1731 Reference number: CLP/1
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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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