MOON - "GENERAL MAP OF THE MOON drawn by M. Maedler (1794-1874); from the observations of Messrs G. Beer (1797-1850), and Maedler". "Ecole Impériale Polytechnique 1st Division 1854-1855. Portfolio of the Students. Cours de Géodésie, feuille 23". Printed by Lemercier, in Paris. Margins. Von Mädler is one of the most eminent astronomers of the XIX century. A crater on the Moon and Mars bear his name. He conducted scientific research at the observatory founded by the astronomer Wilhelm Beer near Berlin. Together with his colleague he worked on the exact mapping of the Moon and the planets. 73 x 55 cm. Condition A (original middle fold, good condition).