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The Mark IV tank was introduced by the British in May 1917 to fight in World War I. The "female" version, as pictured here, was armed with five machine guns. Production of the Mark IV ceased at the end of the War in 1918. A small number served briefly with other combatants afterwards.
This Mark IV tank, on display in Ashford, Kent, was presented to the town after the end of World War I. The engine was removed to install an electricity substation inside it, though this substation was subsequently removed; the tank's interior is now empty.Photograph: Peter Trimming
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