2836243 "Our monster tanks break down the belts of barbed wire and completely surprise the Hun at Cambrai", 1914-18 (b/w photo) by English Photographer, (20th century); National Army Museum, London; (add.info.: From a collection of ninety-six stereoscopic photographs in box two of two entitled ???he Great War??including the official series. With stereoscopic viewer. Associated with World War One, Western Front (1914-1918).); 穢 National Army Museum ; English, out of copyright.