Autogiro : rotary wings before the helicopter
2009
328 S.
30cm
zahlr. Ill.
Buch
Englisch
Airplane, helicopter, and autogiro
Engineering Index Backfile | 1929
|Problem of autogiro and helicopter
Engineering Index Backfile | 1937
|Engineering Index Backfile | 1928
|Helicopter, gyroplane and autogiro, important examples of development
Engineering Index Backfile | 1953
|Engineering Index Backfile | 1930