Armament & Fields of Fire, Luftwaffe Aircraft USAAF Training Manual French Armée de l'Air The housing had been repainted

The housing had been repainted at one point

Once past 20

with BU AERO US NAVY embossed in very small letters on the center of its face

as used in the US Army Air Force's Boeing B-29 Superfortress (see illustrations of B-29 Flight Engineer's instrument panel showing instrument location)

There are some markings on the glass denoting the operating limits and orientation of the glass (the white mark

Armament & Fields of Fire, Luftwaffe Aircraft USAAF Training Manual French Armée de l'Air The housing had been repaintedHere is an authentic original WWII era training brochure, "Armament & Fields of Fire, German Aircraft", published Dec 1942 by the US Army Air Force. This simple manual lists and illustrates the location of armament of 20 armed aircraft of the German Luftwaffe in service by 1942, and the fields of fire of each gun carried by each aircraft. This information was critical to pilots of US fighter aircraft and aircrew of bomber and transport aircraft as