Mark IV female captured late December 1917'.

A captured British tank, 1916-1918. The Mark IV was an up-armoured version of the Mark I tank. To improve safety, its fuel was also stored in a single external tank located between the rear track horns. The ‘female’ Mark IV was armed with six .303 Lewis machine guns and the ‘male’ with two six pounder guns and four Lewis guns. From photograph album of 105 photographs, 1916-1918.Relating to the British Army.Associated with World War One, Western Front (1914-1918).