NEUERE ERGEBNISSE DER RAKETENFLUGTECHNIK. Wien: Verlag Zeitschrift "Flug," H. Pittner, 1934. Large octavo, pp.  2-22 [23: ads] [24: blank], 25 illustrations, diagrams and charts in the text, original gray wrappers printed in black, stapled. First edition. A famous paper which describes Sanger's experiments on a motor to power a high altitude rocket plane, published as a special issue of the Austrian aviation journal FLUG, December 1934. An English-language translation was published by the NACA as TM-1012 (1942). Ciancone 204. Interlibrum 270 #309. Ley, Rockets, Missiles, and Space Travel, revised edition, 1957, pp. 507-8. Ley (1968), pp. 425-7. A fine copy. (#135428).
No statement of printing.