5925343 British wounded outside a hospital, December 1916 (lantern slide) by Unknown photographer, (20th century); National Army Museum, London; (add.info.: British wounded outside a hospital, December 1916. Lantern slide, World War One, Salonika (1914-1918), 1916. Although there many patients with wounds caused by combat, thousands of British soldiers were hospitalised during the Salonika campaign by diseases like malaria. The hospital depicted was later used as a British Army headquarters and popularly known as the ?War Office?. From a box of 111 slides associated with the Balkans, 1914-1918.); by National Army Museum ; out of copyright.