The bright uniforms worn by French infantry in the early months of the war, alongside a reckless doctrine of attack at all times, help explain the staggering losses sustained by the French Army. By the end of 1914 they had lost nearly a million men killed, captured or wounded. Lantern slide from a box of 73 lantern slides, one of two boxes associated with World War One, Western Front, 1914-1916. Published by Newton and Company, 3 Fleet Street, London. One of 29 boxes of lantern slides. Associated with World War One, Western Front (1914-1918).