The sole Boeing Y1B-17A 37-369
The sole Boeing Y1B-17A, 37-369, was used as a flying test bed for the development of turbo-supercharged engines
Picture No
10838555
Media ID
48039855
Size
4000px x 1924px
(902KB)
Credit
© The Royal Aeronautical Society (National Aerospace Library) / Mary Evans Picture Library
Source
Photograph from The Royal Aeronautical Society Archive





























