German Helicopters, 1928-1945

Posted By: Plesiosaurus
Heinz J. Nowarra, "German Helicopters, 1928-1945", Schiffer Military History Book Series | ISBN 0887402895 | 1999 Year | PDF | ~12 Mb | 48 Pages “Among the makers of these unusual aircraft were Focke-Wulf, Flettner and Wiener-NaustÅ dter. B/W photographs, line drawings.” German Helicopters, 1928-1945