979800 Cosmography, a collection of diagrams on various planetary systems (engraving) by Drioux, M.M. & Leroy, Ch. (fl.1830-40); Private Collection; (add.info.: Cosmography, or Systems of the World, by Claude-Joseph Drioux and Charles Leroy. A sheet with a collection of diagrams on various planetary systems, global projections, lunar views and Haley\'s Comet, seen on 29 October 1835. Published in 1872, by the Librarie Classique d\'Eugene Belin, in Paris.); Look and Learn / Bernard Platman Antiquarian Collection; French, out of copyright.