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Lot n° 75

Berthold LAUFER

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. The prehistory of Aviation, Fiel Museum of Natural History, Chicago, 1928, in-8, 93 pp, 12 planches sur l'Histoire du «Plus lourd que l'air». The history of aviation begins with Leonardo da Vinci, who was the true pioneer of science by studying the flight of birds and left several sketches of aeroplanes in his manuscript which were hiden in obscurity for nearly three hundred years until their existence was revealed in 1787 (page 70). Ex-libris Audoin Dollfus.