The Eyes of the Army, 1917 (c).

The Eyes of the Army – Sopwith Camels ready for a patrol over the German lines’, 1917 (c). The Sopwith Camel entered British service in 1917. Highly manoeuvrable, it was used as a fighter, for reconnaissance and in a ground-attack role. It was armed with two .303 inch Vickers machine guns that were mounted directly in front of the cockpit, firing through the propeller disc with synchronisation gear. Over 5,400 of these aircraft were eventually produced. One of 100 stereoscopic photographs associated with World War One, Western Front (1914-1918).From the collection of the former Buffs Regimental Museum.Stereographs consist of two identical photographs paired in such a way that when seen through a special viewing instrument, a stereoscope, they appear as a three-dimensional images. By 1899 the photographs were mounted on thick card that was given a slight curvature to increase the illusion of depth.