DAS PROBLEM DER BEFAHRUNG DES WELTRAUMS. DER RAKETEN-MOTOR. Berlin: Richard Carl Schmidt & Co., 1929. Octavo, pp. [1-5] 6 [7-9] 10-188 [189: printer's imprint] [190-192: ads], diagrams in the text, original green cloth, front and spine panels stamped in white. First edition. The first comprehensive technical discussion of space stations. Ciancone 175. Hübner 702. Interlibrum 270 #256. Ley, Rockets, Missiles, and Space Travel, revised edition, 1957, p. 507. Formerly Otto Willi Gail's copy with his name and address rubber-stamped on the front free endpaper. A very good copy. Scarce. (#151414).
No statement of printing.