Original U.S. WWII Air Corps Type B-5 Drift Meter NATION There is a size label

There is a size label indicating 7 1/8

shows rust and paint wear

with a lovely half-octagonal brass barrel

This is a very nice service used Heer Infantry Unteroffiziere ohne Portepee (Junior NCO) M35 Waffenrock Dress Tunic

Original U.S. WWII Air Corps Type B-5 Drift Meter NATION There is a size labelOriginal 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