https://www.nationalmuseum.af.mil/Upcoming/Photos/igphoto/2000517126/
Interwar Bombsights
An Estoppey D-1 installed in a Martin MB-2 bomber. This photograph shows the sight adjusted to compensate for wind drift. (U.S. Air Force photo)
interwar
https://www.nationalmuseum.af.mil/Upcoming/Photos/igphoto/2000517118/
Interwar Bombsights
Like so many other bombsights, the Inglis L-1 (1932) also proved inferior to the Norden bombsight. (U.S. Air Force photo)
interwar