Sperry Blind Flying Instruments &
Sperry Blind Flying Instruments and Autopilots - Sperry Weather - The Sperry Gyroscope Company Ltd
Picture No
13885104
Media ID
43673039
Size
2057px x 2997px
(1.6MB)
Credit
© Aviation Ancestry Collection / Mary Evans
Source
Aeroplane magazine - December 6th 1940
Date
1940





























