5925219 German sailors at rest in Handforth Barracks prisoner of war camp, Cheshire, 1917 (lantern slide) by Unknown photographer, (20th century); National Army Museum, London; (add.info.: German sailors at rest in Handforth Barracks prisoner of war camp, Cheshire, 1917. Lantern slide, World War One, POWs (1914-1918), 1917. Handforth camp opened in November 1914 in a converted rubber factory. It was initially used to intern enemy civilians. As the war progressed, sailors from the German navy and merchant fleet were also imprisoned there. From a box of 60 lantern slides.); by National Army Museum ; out of copyright.