QF 3-inch 20 cwt
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The QF 3-inch 20 cwt anti-aircraft gun became the standard anti-aircraft gun used in the home defence of the United Kingdom against German Zeppelins airships and bombers and on the Western Front in Wo
Aboard HMS Royal Oak in World War I
Guns on 4-wheeled trailers with Vickers Predictor at left, Australia c. 1937
Demonstration of towing on 2-wheeled travelling platform
Demonstration of deployment for action on cruciform travelling platform with wheels removed
QF 3.7-inch AA gun
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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
QF 3-inch 20 cwt
…m). Both Predictors received height data, generally from the Barr & Stroud UB 7 (9-foot base) instrument. The 3-inch 20 cwt gun was superseded by the QF 3.7-inch (94 mm) AA gun from 1938 but numbers of various Marks remained in service throughout World War II. In Naval use it was being replaced in the 1920s by the QF 4-inch…
A 3.7-inch gun on a travelling carriage in London in 1939
A QF 3.7 inch gun barrel being drawn from a furnace in Australia in 1940
A static 3.7-inch gun assigned to the 127th Heavy Anti-Aircraft Regiment, mounted on a Pile platform at Orford, Suffolk, October 1944
A 3.7-inch anti-aircraft gun towed by an AEC Matador at Burrow Head, Scotland, early 1944.