Britain's standard heavy anti-aircraft gun, comparable to the German 88mm, the 3.7-inch defended cities and key installations through the Blitz and later against the V-1 flying bomb campaign, radar-directed predictors eventually raising its effectiveness against the fast, low-flying doodlebugs to a majority kill rate.
The British Army in the United Kingdom 1939-45 QF 3.7 inch anti-aircraft guns in Hyde Park, London in 1939.Armando Console · Public domain · sourceA Number 1 Mark III Predictor used with the QF 3.7 inch AA gun. The device is a mechanical analog computer used to track aircraft and control the attached anti aircraft weapons. South African National Museum of Military NJR ZA · CC BY-SA 3.0 · source25-pounder artillery pieces from the 2/7th Field Regiment fire along with Matilda tanks from the 2/9th Armoured Regiment and an anti-aircraft gun from the 132nd Anti-Aircraft Battery, Tarakan, June 1945.Not stated at source · Public domain · source
