5925405 Taking a rest on the Somme, November 1916 (lantern slide) by Unknown photographer, (20th century); National Army Museum, London; (add.info.: Taking a rest on the Somme, November 1916. Lantern slide, World War One, Western Front (1914-1918), 1916. A member of a working party takes a rest during improvements to the Mametz to Contalmaison Road. By November 1916 the French and British attacks on the Somme had become bogged down in mud. The communications and logistics system behind the lines was at breaking point as men tried to maintain the infrastructure in appalling weather. From a box of 73 lantern slides.); by National Army Museum ; out of copyright.