Bombardiers' Information File US Army Air Force May 1945 Curtiss The spirit bubble level is

The spirit bubble level is present and intact

the transmitter frequency will have changed

that was installed on the instrument panel of a number of aircraft of the German Luftwaffe

Here is a restored WWII-era Remote Indicating Compass Bendix 10061-1E-A1

Bombardiers' Information File US Army Air Force May 1945 Curtiss The spirit bubble level isHere 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 exceptional condition given its age. Measures 8. 5 x 11 inches, and ~0. 5 inches thick.