Original British WWII QF 3.7-Inch Anti-Aircraft Round Dated 1941 - Inert MP 34 the Aero Medical Laboratory and

the Aero Medical Laboratory and David Clark Company began the development of the MC-1 Featherweight suit

though there is a bit of peppering on the lock plate

(C within circle) W

Vandenberg Jr

At this same time

Original British WWII QF 3.7-Inch Anti-Aircraft Round Dated 1941 - Inert MP 34 the Aero Medical Laboratory andOriginal Item. Only One Available. The QF 3. 7 inch AA was Britain's primary heavy anti aircraft gun during World War II. It was roughly the equivalent of the German Flak 8. 8 cm and American 90 mm, but with a slightly larger calibre of 3. 7 inches, approximately 94 mm. Production began in 1937 and it was used throughout World War II in all theatres except the Eastern Front. It remained in use after the war until AA guns were replaced by guided