Unveiling of the permanent Cenotaph at Whitehall, by His Majesty King George V, 11 November 1920.
Munition workers in a shell warehouse at National Shell Filling Factory No.6, Chilwell, Nottinghamshire in 1917.
A wounded First World War soldier with facial injuries has a plaster cast made of his face so that a mask can be produced to cover his wounds.The work was undertaken at the 3rd General Hospital in Wandsworth, London.
Icicles hanging from the roof of a dug-out Bernafay Wood, Somme, November 1916.
Soldiers of 'A' Company, 11th Battalion, the Cheshire Regiment, occupy a captured German trench at Ovillers-la-Boisselle on the Somme.
Soldiers of the Lancashire Fusiliers cleaning a Lewis Gun. On the left can be seen the gas alarm horn and wind vane. January 1917 near Ploegsteert.
A sergeant of the Lancashire Fusiliers in a flooded dugout opposite Messines near Ploegsteert Wood, January 1917.
Australian troops wait behind Quinn's Post, Gallipoli, after it was retaken on 29 May 1915.
A shell bursting amongst the barbed wire entanglements on the battlefield at Beaumont Hamel, December 1916.
One of the portable concrete-making machines used in the construction of the Hindenburg Line, and found at Izel-les-Equerchin on its capture by the 8th Division.
British troops advance to the attack through a cloud of poison gas as viewed from the trench which they have just left.
Battle of Albert. British troops asleep in a support trench previous to the attack on Beaumont Hamel, 7 a.m. July 1st 1916.
Wounded men being tended in a trench near Beaumont Hamel on the morning of the initial assault, Battle of the Somme, 1st July 1916.
A captured German pillbox nicknamed 'Gibraltar' in the ruins of Pozieres, Somme, 20th September.
A well concealed and revetted trench, between two-lines of trees. Gommecourt, given up by the Germans in March 1917.
A barbed wire gate in a trench system to form a block against raiders at Cambrin, 16 September 1917.
Officers of 12th Royal Irish Rifles wading through mud in a trench, Essigny, 7 February 1918.
Battle of Loos; British attack on the Hohenzollern Redoubt. Photograph shows a cloud of smoke and gas in the centre and on the left. 1915.
A member of the Women's Royal Air Force (WRAF) working on the propellor of an Airco DH9A in 1918.