DIE ENTWICKLUNG DES RAKETENANTRIEBES IN ALLGEMEIN VERSTÄNDLICHER DARSTELLUNG. BAND II: DIE RAKETENWAFFEN DES ZWEITEN WELTKRIEGES. Zurich: E. A. Hofmann Verlag, . Small octavo, pp.  2 [3-4] 5-72, numerous illustrations and diagrams, original gray boards with blue-gray cloth shelf back, printed in black. First edition. Issued as Hofmann Bibliothek Nos. 107. This volume covers the rockets, missiles and jet aircraft developed and/or employed by the Allied and Axis powers during World War II. Beginning in the mid-1920s, Stemmer, a Swiss engineer and future organizer of the International Astronautical Society, worked on the development of rocket engines and in the 1930s performed on a homemade bench numerous experiments with liquid fuel engines. Ciancone 211. Hübner 713. Interlibrum 270 #324. Ley, Rockets, Missiles, and Space Travel, revised edition, 1957, p. 508. A nearly fine copy. Very scarce. (#135722).
No statement of printing.