The P.B.Deviator Is Easier To Read
The P.B.Deviator Is Easier To Read Than A Turn and Bank Indicator - P.B. Deviator Ltd
Picture No
13883903
Media ID
43672855
Size
1105px x 3085px
(436KB)
Credit
© Aviation Ancestry Collection / Mary Evans
Source
Aeroplane magazine - March 9th 1932
Date
1932
