Sperry Gyroscopic Stabilizer 1915
Sperry Gyroscopic Stabilizer 1915 - The Sperry Gyroscope Company Ltd
Picture No
13885064
Media ID
43775785
Size
1049px x 2818px
(540KB)
Credit
© Aviation Ancestry Collection / Mary Evans
Source
Flight magazine - December 31st 1915
Date
1915





























