5927068 Indian Army Vickers machine gun section, India, 1940 circa (b/w photo) by Unknown photographer, (20th century); National Army Museum, London; (add.info.: Indian Army Vickers machine gun section, India, 1940 circa. Photograph, North West Frontier, India, 1940 circa. The water-cooled .303 inch Vickers was famed for its reliability and could fire over 600 rounds per minute and had a range of 4,500 yards. With proper handling, it could sustain a rate of fire for hours, providing a necessary supply of belted ammunition, spare barrels and cooling water was available. First introduced in 1912, the Vickers remained in service with the British Army until 1968. From an album of photographs compiled by Major C W Hopkins, 2nd 19th Hyderabad Regiment, North West Frontier, India, 1940-1944.); by National Army Museum ; out of copyright.