Sperry Gyroscopic Aircraft Instruments - Sperry Zero Reader
Sperry Gyroscopic Aircraft Instruments - Sperry Zero Reader - The Sperry Gyroscope Company Ltd
Picture No
13885264
Media ID
43735022
Size
2482px x 3431px
(3.0MB)
Credit
© Aviation Ancestry Collection / Mary Evans
Source
Aircraft Engineering magazine - January 1952
Date
1952





























