Paper, 'Mémoire sur la mesure de l'aire des triangles sphériques' ['On measuring the area of spherical triangles'] by Mr [Bernard Forest] de Belidor
Reference number: CLP/1/46
Date: 18 November 1726
Description
De Belidor provides his observations of methods used to measure the area of a spherical triangle, which he notes would be useful in geography. An English translation of this paper is found at CLP/1/47. Includes one separate plate of figures.
Subject: Geometry
Written in La Fère [Hauts-de-France, France]. Read to the Royal Society on 28 March 1728.
- Reference number
- CLP/1/46
- Earliest possible date
- 18 November 1726
- Physical description
- Ink on paper
- Page extent
- 10 pages
- Format
- Manuscript
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Citation
Bernard Forest de Belidor, Paper, 'Mémoire sur la mesure de l'aire des triangles sphériques' ['On measuring the area of spherical triangles'] by Mr [Bernard Forest] de Belidor, 18 November 1726, CLP/1/46, The Royal Society Archives, London, https://makingscience.royalsociety.org/items/clp_1_46/paper-mémoire-sur-la-mesure-de-laire-des-triangles-sphériques-on-measuring-the-area-of-spherical-triangles-by-mr-bernard-forest-de-belidor, accessed on 09 March 2026
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Translation, 'Some thoughts concerning the measure of the area of spherical triangles' by M [Bernard Forest] de Belidor
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Translation, 'Some thoughts concerning the measure of the area of spherical triangles' by M [Bernard Forest] de Belidor
Creator: Bernard Forest de Belidor Reference number: CLP/1/47
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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Bernard Forest de Belidor
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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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