Original WWII U.S. Navy BU. Aero Mk.IIIB Navigational Drafting Protractor by Bruning-Wallace in Case British Helmets especially after the arrival of

especially after the arrival of the M60 in US Army service

Nice framed

so it is very rare to find a helmet that still has the original decal intact

and presents very well

Original WWII U.S. Navy BU. Aero Mk.IIIB Navigational Drafting Protractor by Bruning-Wallace in Case British Helmets especially after the arrival ofOriginal Item: Only One Available. Genuine rare WWII Bruning Wallace Aircraft Mk. IIIB Navigational Drafting Protractor. The instrument is identical to the AN 5750 Protractor used by the U. S. Army Air Forces, but in this case was ordered by the U. S. Navy. The organizations that were largely responsible for procurement in the 1940s were designated Bureaus, each commanded by a Rear Admiral. These Bureaus included: Aeronautics, Engineering, Navigation,