A METHOD OF REACHING EXTREME ALTITUDES. City of Washington: Published by The Smithsonian Institution, 1919 [i.e. 1920]. Octavo, pp. [1-3] 4-69 [70: blank], ten pages of illustrations on five inserted plates, original gray wrappers printed in black, edges untrimmed. First edition. Smithsonian Miscellaneous Collections, Volume 71, Number 2 (Publication 2540). Actually published in 1920, despite stated publication date of 1919. The first monograph in English on the use of rockets for space travel. Ciancone 84. Ley, Rockets, Missiles, and Space Travel, revised edition, 1957, p. 491. Interlibrum 270 #151. Touch of foxing along fore-edges of several leaves, 20 mm closed tear along bottom edge of rear spine fold, else a fine, largely unopened, copy. Among the best extant copies of this seminal work. (#160969).
No statement of printing.