DIE ERREICHBARKEIT DER HIMMELSKÖRPER: UNTERSUCHUNGEN ÜBER DAS RAUMFAHRTPROBLEM. Hohmann.

DIE ERREICHBARKEIT DER HIMMELSKÖRPER: UNTERSUCHUNGEN ÜBER DAS RAUMFAHRTPROBLEM. München und Berlin: Druck und Verlag R. Oldenbourg, 1925. Octavo, pp. [1-2] [i-iii] iv [v-vi] 1-88 [note: first leaf is a blank], 28 figures in the text, original printed light brown wrappers, fore and bottom edges untrimmed. First edition. The first book to be published dealing solely with trajectory calculations for space flight. "One of the most important [early] publications [on interplanetary rocket flight], following close on the heels of Oberth's book ..." - Ley, Rockets, Missiles, and Space Travel, 3rd ed, 1951, p. 113. "Between the time Oberth's first book was published in 1923 and the appearance of his WEGE ZUR RAUMSCHIFFAHRT in 1929, a number of other works appeared ... Of these, Hohmann's mathematical treatment of orbital and interplanetary flight mechanics was the most advanced. The book is still referred to today." - Von Braun and Ordway, History of Rocketry & Space Travel, p. 64. 1500 copies were printed, but the edition was never completely sold. "... a much searched after rarity." - Interlibrum 270 #181, 182. Ciancone 98. Hübner 696. Humphries, Rockets and Guided Missiles 23. Ley, Rockets, Missiles, and Space Travel, revised edition, 1957, p. 506. A fine copy. Rare. (#135134).

Price: $1,500.00

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