Original U.S. WWII Air Corps Type B-5 Drift Meter DP-28 LMG The bottom four of the

The bottom four of the size front closure buttons are still present

We believe these to have been manufactured in the early late 19th century

Waist width: 17 1/2"

with only small areas of fouling and oxidation

- Enlistment and Discharge document copies

Original U.S. WWII Air Corps Type B-5 Drift Meter DP-28 LMG The bottom four of theOriginal 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