De Havilland Controllable Pitch Propellers 1934
De Havilland Controllable Pitch Propellers 1934 - The De Havilland Aircraft Co Ltd
Picture No
13856653
Media ID
43728604
Size
2196px x 2970px
(468KB)
Credit
© Aviation Ancestry Collection / Mary Evans
Source
Flight magazine - August 9th 1934
Date
1934





























