The gyroplane, its principles and its possibilities
Le gyroplane - sa technique et ses possibilités <engl.>
1937
33 S., [21] Bl
Ill., graph. Darst
Book
English , French
Gyroplane -- Its principles and its possibilities
Engineering Index Backfile | 1937
|The Gyroplane : Its Principles and Its Possibilities
NTRS | 1937
|Engineering Index Backfile | 1938
|Engineering Index Backfile | 1937