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1763 – France, Académie des Sciences – Bassin d’Arcachon, I. de Terray, Gujan, Parc de Gachon, Belin, Comprian

Publié Par Raphaël Sur In Cartographie | Pas de commentaire

[1]

La France divisée en ses principaux gouvernements

dressée sur les observations de Mrs. de l’Académie des Sciences, dédiée et présentée au Roy, Louis-Charles Desnos (1725-1805).

[2]

Bassin d’Arcachon, I. de Terray, Gujan, Parc de Gachon, Belin, Comprian

Le parc de Gachon correspond à un repère implanté par Cassini pour effectuer les relevés topographiques par triangulation en vue d’établir la carte de la France ; voir la « Description géométrique de la France. Par M. César-François Cassini de Thury, maitre des Comptes, directeur de l’Observatoire Royal, de l’Academie Royale des Sciences de Paris, … », de l’imprimerie de J. Ch. Desaint, rue Saint-Jacques, 1783 –

https://gallica.bnf.fr/ark:/12148/btv1b55009520h/f45.item.r=Description%20g%C3%A9om%C3%A9trique%20de%20la%20France [3]

et

https://books.google.fr/books?id=PNW1YCi-euEC&pg=PA113&lpg=PA113&dq=%22Parc+de+Gachon%22&source=bl&ots=FOGx9I_kNF&sig=ACfU3U1nCl6V1NEEMlRIrZIzzcAC6ylhmg&hl=fr&sa=X&ved=2ahUKEwjuhNWM4I7wAhW5DmMBHbtYDQYQ6AEwBXoECAUQAw#v=onepage&q=%22Parc%20de%20Gachon%22&f=false [4]

[5]

Le parc de Gachon correspond à un repère implanté par Cassini pour effectuer les relevés topographiques par triangulation en vue d’établir la carte de la France. Ci-dessus, estimation approximative de son implantation, à la limite des communes de Mios et de Salles.

https://gallica.bnf.fr/ark:/12148/btv1b53100230g.r=desnos?rk=815454;4 [6]

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