Bombardiers' Information File US Army Air Force May 1945 Curtiss JN The amber lens is removable

The amber lens is removable

It also has an envelope containing wood screws for flange mounting on a map table

as used in the US Army Air Corps tricycle-landing gear (wings & nose gear

which operates identically (the reference call-outs refer to the diagram in the photo gallery reproduced from this manual):

Bombardiers' Information File US Army Air Force May 1945 Curtiss JN The amber lens is removableHere is a WWII era Bombardiers' Information File published by the US Army Air Force May 1945. It contains the essential information on the duties and responsibilities of the bombardier. It is in very good condition given its age. Measures 8. 5 x 11 inches, and ~0. 5 inches thick.