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[Sri Lanka] Insula Ceilon olim Taprobana. Carte de L'Isle de Ceylan. Guillaume DE L'ISLE, COVENS, MORTIER.

[Sri Lanka] Insula Ceilon olim Taprobana. Carte de L'Isle de Ceylan

Amsterdam: Covens & Mortier, [1742]. Engraving with period outline colour. Some mild soiling and off-set. Image size (including text): 19 1/4 x 22 1/4 inches. Sheet size: 21 1/2 x 25 3/4 inches.

Guillaume de l'Isle (1675-1726) was the son of a cartographer and pupil of Jean Dominique Cassini, who, among other important contributions, aligned the study of astronomy to the study of geography. Under Cassini's direction, observations were made from locations all over the world that enabled longitudinal calculations to be made with much greater accuracy. De l'Isle carried on this exacting work with remarkable dedication and integrity, constantly revising and improving his maps. While precision was his primary goal, his maps are invariably elegant and attractive.

Jean (Johannes) Covens and Corneille (Cornelius) Mortier were brothers-in-law, who carried on the book publishing business established by Pierre Mortier in Amsterdam in 1685. Pierre Mortier's company owed much of its success to his access to French publishers, whose publications he re-issued in handsome editions.The elder Mortier died in 1711; his wife continued the firm until she died in 1719. In 1721, Covens and Mortier formed a partnership, Covens having married Agatha Mortier in the same year. They continued the business by publishing enlarged editions of Sanson, Jaillot, and De L'Isle, as well as some of the later Dutch cartographical masters such as De Wit and Allard, and of course Pierre Mortier.

This map is from an edition of De L'Isle entitled, Atlas Nouveau, Contenant Toutes Les Parties Du Monde, Ou sont exactement Remarquées les Empires, Monarchies, Royaumes, Etats, Republiques &c. Par Guillaume de l'Isle. Premier Géographe de sa Majesté. It delineates the island in great detail. At the time the map was made, the coastal areas were ruled by the Dutch East Indian Company, who were undoubtedly responsible for the soundings indicated around the island and for mapping the roads depicted.

Koeman, C&M 7, #91.

Item #15045

Price: $350.00

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