Original U.S. WWII Air Corps Type B-5 Drift Meter British Military Hats The strap itself is almost

The strap itself is almost torn through at one end

This is a recreation of a scarce 2nd Ranger Battalion helmet from World War II

in conjunction with the National Advisory Committee for Aeronautics (NACA)

Army Signal Corps mine detector set AN/PRS-1

having been lightly cleaned and restored by our antique gunsmiths

Original U.S. WWII Air Corps Type B-5 Drift Meter British Military Hats The strap itself is almostOriginal Item. Only One Available. This aircraft Drift Meter, type B 5, was used in several US Army Air Force bomber and transport aircraft, including the B 17 and B 24. The B 5 drift meter is used to measure the angle between the heading of the aircraft and its actual path over the ground, thus used to correct the course of the aircraft. The instrument's viewing port projects from the side of the aircraft. When viewing the ground through the eyepiece