Original WWII U.S. Army Air Corps Type A-1 Astrograph with Star Charts and Manual in Transit Chest - dated 1942 Resin Guns and Grenades The 28 inch straight blade's

The 28 inch straight blade's ricasso is marked on one side with the Emerson & Silver company marking -

This was definitely used quite a bit during the war

The outer surfaces of the box exhibit expected wear and crazing from age and use

the ski uniform

complete with one buckle and strap but missing the closure strap over the handle

Original WWII U.S. Army Air Corps Type A-1 Astrograph with Star Charts and Manual in Transit Chest - dated 1942 Resin Guns and Grenades The 28 inch straight blade'sOriginal Item: Only One Available. This is a very nice U. S. Army Air Corps Type A 1 Astrography, or Star Chart Projector, complete in its original transit case. These instruments were used in aircraft with a navigator crewman as an aid to determine the position and course of the aircraft during nighttime flying using celestial navigation. The black projector was installed above a map table at the navigators station at the height specified by the