Letter, 'Carte triangulaire de la France [geometric map of France]' from Cesar Francois Cassini de Thury to Hans Sloane

Reference number: L&P/2/129

Date: 25 March 1750

Description

Subject: Geography
This is the first topographic map of France, based on geodesic triangulation.
Read 10 May 1750

Reference number: L&P/2/129
Earliest possible date: 25 March 1750
Physical description: Ink on paper
Page extent: 2 pages
Format: Manuscript

Creator name

Cesar Francois Cassini de Thury

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Citation

Cesar Francois Cassini de Thury, Letter, 'Carte triangulaire de la France [geometric map of France]' from Cesar Francois Cassini de Thury to Hans Sloane, 25 March 1750, L&P/2/129, The Royal Society Archives, London, https://makingscience.royalsociety.org/items/l-and-p_2_129/letter-carte-triangulaire-de-la-france-geometric-map-of-france-from-cesar-francois-cassini-de-thury-to-hans-sloane, accessed on 12 February 2026

Link to this record

https://makingscience.royalsociety.org/items/l-and-p_2_129/letter-carte-triangulaire-de-la-france-geometric-map-of-france-from-cesar-francois-cassini-de-thury-to-hans-sloane

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Hierarchy

This item is part of:

Letters and Papers of a scientific nature submitted for publication by the Royal Society
1741-1806 Reference number: L&P
Decade 2 of scientific letters and papers submitted for publication by the Royal Society
1749-1755 Reference number: L&P/2

Related Fellows

Cesar Francois Cassini de Thury
Author
Hans Sloane
Recipient

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Letters and Papers

'Letters and Papers' contains the scientific correspondence sent to the Royal Society through the 18th century, many of which were published in its journal.

Dates: 1741 - 1806

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