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1635 - Margoulis, W.
Starting price
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Estimation
€80 - 120Sale fees
Margoulis, W. Helicopters. Experimental Research on the General Principles of Propeller Operation. Studies on the Mechanics of the Helicopter. Paris, Gauthier Villars 1922. xi, 81, (ii) pp. Original paperback. Illustrations and some fold-out tables. First edition. A very rare and early publication on the helicopter. The first helicopters produced and used in significant numbers were designed by I. Sikorsky in the U.S.A. First flown on September 14, 1939. Singer, Vol. VII, Part 2, p. 823–52.
Auction details
Auction 146 - Day 2Auction house
Kiefer +49 7 23 19 23 20 info@kiefer.deDelivery is optional. You can use the carrier of your choice. The stated price does not include the lot price or the auction house fees.
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