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La Pointe, François de (1640?-1699?). Graveur - Carte Particulière Des Environs de Paris / Par Messrs de L'Académie Royalle Des Sciences En L'Année 1674 ; Gravée Par F. De la Pointe. Later Printing

Title: Carte Particulière Des Environs de Paris / Par Messrs de L'Académie Royalle Des Sciences En L'Année 1674 ; Gravée Par F. De la Pointe. Later Printing
Description: Paris: Messrs. de l'Académie des sciences, 1678. Nine engraved sheets on thick wove paper. 50 x 72cm. sheets sizes. Engraved areas vary in the range of 43 x 45,5cm to 41 x 46cm. Large waterstain in the lower left margins. Likely a 19th century printing.. reference: Bibliothèque nationale de France, département Cartes et plans, GE DD-2987 (788,I-IX)...In 1663 Colbert ordered an inventory of the kingdom's resources. He created the Academy of Sciences in 1666 to remedy the imprecision of the available maps (which were most often just disparate assemblies) and to take advantage of new Dutch and English cartographic methods based on triangulation. The Paris region will be the preferred terrain for the first French tests, and the Special Map of the surroundings of Paris the first application made from a triangulation in France. Under the direction of two academicians, Gilles Personne de Roberval and Jean-Félix Picard (known as Abbot Picard), the engineer David du Vivier directed the surveys. The map was engraved on copper from 1671 to 1678 by François de La Pointe, at the graphic scale of leagues of 2,000 toises, and extends from Mantes to La Ferté-sous-Jouarre and from Pont-Sainte-Maxence to Milly . It is decorated with cartridges: at the top left, the arms of France for the title; bottom left, Colbert's arms for the legend; top right, the nave of Paris to give the scales; bottom right, surveying instruments.... The map does not show a road network (major transformations of which began in the 18th century) and does not include administrative boundaries. The relief is outlined, the rivers and their valleys are clearly present as are the woods and forests. The Paris Observatory, located on the route of the meridian and whose construction began in 1667 and was completed in 1672, is shown on the map... The map preserves the representations of cities, towns and villages which are those of the 16th century, with the exception of royal residences such as Versailles and Le Vésinet. Du Viviver continued his surveys until 1695. This first measurement marked the beginning of French geodesy. After Colbert's death in 1683, the Academy of Sciences set itself the objective of knowing the shape of the Earth. In 1682, Dominique Cassini succeeded Picard and replaced him as director of the institution...... Cassini intends to measure the meridian of Paris over the entire extent of the kingdom and to complete the triangulation of France. He is responsible for the part going from the south of the Paris Observatory to Mount Canigou, near Perpignan, La Hire continuing Picard's operations north of the meridian. On his return to Paris, he resumed Picard's work on measuring the Earth. The results show that the meridian arc calculated by Picard and that measured by Cassini differ significantly. This work will lead to calling into question the roundness of the planet and will open up research into the shape of the Earth. .

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Price: US$ 1200.00 Seller: Wittenborn Art Books
- Book number: 16-5743

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