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Géodésie, géométrie et technologie - Rare « camera lucida » provenant de l'atelier de Charles Louis Chevalier. Paris, vers 1830, instrument de dessin optique, signé « Charles Chevalier, Ing. Opt. Brevete, Palais Royal 163, Paris », laiton et fer, dans son étui en cuir d'origine (abîmé). Dimensions de l'étui : env. 25 x 5 x 3 cm. En complément : deux autres instruments dans un étui (incomplets). Charles Louis Chevalier (1804-1859), ingénieur en optique et pionnier de la photographie, tenait son atelier à Paris, rue du Palais-Royal. En 1834, il a conçu le premier microscope achromatique et, en 1839, il a mis au point le premier objectif photographique. Louis Daguerre, pionnier de la photographie, comptait parmi ses clients. Une camera lucida rare fabriquée par Charles Louis Chevalier. Paris, vers 1830, signée « Charles Chevalier, Ing. Opt. Brevete, Palais Royal 163, Paris », en laiton et fer, dans son étui en cuir d'origine (abîmé). Dimensions de l'étui en cuir : environ 25 x 5 x 3 cm. Accompagnée de deux autres instruments (incomplets). #
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