Sperry Gyroscopic Stabilizer For Aeroplanes
Sperry Gyroscopic Stabilizer For Aeroplanes - Sperry Gyroscope Company Ltd
Picture No
13866973
Media ID
43663477
Size
1035px x 3068px
(491KB)
Credit
© Aviation Ancestry Collection / Mary Evans
Source
Aeroplane magazine - November 10th 1915
Date
1915





























