Nurses on a British ambulance train near Doullens with their pet canaries, 27 April 1918.
Two women munition workers operate a shell case forming machine during the First World War at the New Gun Factory of the Royal Arsenal, Woolwich, London.
A Sopwith 1 1/2 Strutter takes off from a ramp on the 'Q' turret of the battlecruiser HMAS AUSTRALIA. This feat was first achieved on 4 April 1918.
The liner RMS ACQUITANIA dazzle-painted during her role as a troopship during the First World War.
The Duchess of Sutherland sitting with patients at her hospital at Calais during July 1917.
A Middleweight bout at the Grand Fleet Boxing Tournament in 1918 between Chief Carpenter's Mate Gartner (US Navy) and Leading Stoker Roberts (Royal Navy).
Two cooks of the First Aid Nursing Yeomanry (FANY) outside their hut with trays of food at a military hospital at Calais in January 1917.
Gladys Wilburn, a motor boat driver with the Women's Royal Naval Service, in her boat, the 'BALMACAAN', with her spaniel dog, Southwick, Sussex, 1918.
Remains of a Mk I 'Male' Tank of 'D' Company on the old Somme battlefield, September 1917.
Roll call of the 1st Battalion, Lancashire Fusiliers on the afternoon of 1 July 1916, following their assault on Beaumont Hamel during the opening day of the Battle of the Somme.
Officers and S.E.5a Scouts of No. 1 Squadron, RAF at Clairmarais aerodrome near Ypres.
A 6-inch howitzer being manhauled through the mud near Pozieres during the Battle of the Somme in September 1916.
Two women munitions workers with a truck load of shell cases in the New Case Shop at the Royal Arsenal, Woolwich during the First World War.
An Inspector and Sergeant of the Women's Police Service during the First World War.
Miss Mairi Chisholm, one of the 'Women of Pervyse' looking through binoculars in Pervyse.
A motorcyclist with the Women's Royal Air Force (WRAF) on a Clyno motorcycle combination.
Ernest Brooks: Men of the Wiltshire Regiment waving their helmets as they march along the Acheux road to the trenches.
The pre-Dreadnought battleship HMS AGAMEMNON, which served in the Mediterranean during the First World War.
A sergeant of the Royal Flying Corps demonstrates a C type aerial reconnaissance camera fixed to the fuselage of a BE2c aircraft, 1916.
Forward scouts of the 9th Hodson's Horse, an Indian cavalry regiment, pause to consult a map, near Vraignes, April 1917.
Experimental camouflage on the fuselage of a Sopwith camel, developed during the First World War to disguise the aircraft's direction of flight.
Members of the Women's Land Army climbing over a gate on a British farm during the First World War.
Still from the British film "The Battle of the Somme". The image is part of a sequence introduced by a caption reading "British Tommies rescuing a comrade under shell fire".
Aerial photograph showing front line trenches and mine craters near Loos in 1917.