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 crossguard has a typical

The crossguard has a typical Alcoso style open winged eagle which looks to the viewer's right

This was definitely used quite a bit during the war

The cast iron hilt shows the usual pattern of approximately 18 vertical grooves intersected by 6 horizontal grooves

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

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 crossguard has a typicalOriginal 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