Ratier Electrically Operated Varibale Pitch Propellers
Ratier Electrically Operated Varibale Pitch Propellers - Ratier
Picture No
13863186
Media ID
43732005
Size
2116px x 3001px
(587KB)
Credit
© Aviation Ancestry Collection / Mary Evans
Source
Aeroplane magazine - September 16th 1936
Date
1936





























