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
The 12 pounder 12 cwt anti-aircraft gun was a British anti-aircraft gun of the First World War, The guns were QF 12 pounder 12 cwt naval guns taken from coast defence positions with the addition of a
Mk I* on World War I AA traveling platform mounting
12 pdr 12 cwt gun in use as improvised anti-aircraft gun on garrison mounting, Gallipoli 1915
12pdr 12cwt Cartridges Mk II Mk III Diagram
12pdr Common Lyddite Mk IV Shell Diagram