SZT2986421: Railway tracks in Germany, 1920s (b/w photo) / Bridgeman Images

SZT2986430: Railway signalbox, 1902 (b/w photo) / Bridgeman Images

SZT2986443: Station scene, 1908 (b/w photo) / Bridgeman Images

SZT2985653: Russian infantry in a Galician village, 1914 (b/w photo) / Bridgeman Images

SZT2985656: Artillery is on the march in the East, 1915 (b/w photo) / Bridgeman Images

SZT2985657: German soldiers take a break at the roadside, 1915 (b/w photo) / Bridgeman Images

SZT2985668: First World War: Battle of Cameroon, August 1914-February 1916 (b/w photo) / Bridgeman Images

SZT2985688: Ambulance service in German South-West Africa in World War I (b/w photo) / Bridgeman Images

SZT2985691: Struggles in Swakopmund in German South-West Africa, 1914 (b/w photo) / Bridgeman Images

SZT2985693: German pilot in German South-West Africa, 1914I (b/w photo) / Bridgeman Images

SZT2985694: Proclamation of the state of war in German South-West Africa in World War I (b/w photo) / Bridgeman Images

SZT2985702: Artillery in German South-West Africa in World War I (b/w photo) / Bridgeman Images

SZT2985705: English in captivity in German South-West Africa in World War I (b/w photo) / Bridgeman Images

SZT2985707: Detention camp in Southafrica, 1916 (b/w photo) / Bridgeman Images

SZT2985712: German protection force in German East Africa in World War I, 1914 (b/w photo) / Bridgeman Images

SZT2985714: German protection force in German East Africa in World War I (b/w photo) / Bridgeman Images

SZT2985715: Fighting in German East Africa in World War I (b/w photo) / Bridgeman Images

SZT2985718: Duty station in German East Africa in World War I (b/w photo) / Bridgeman Images

SZT2985726: Struggles in German East Africa in World War I (b/w photo) / Bridgeman Images

SZT2985734: Naval warfare in German East Africa in World War I (b/w photo) / Bridgeman Images

SZT2985737: Military exercisein German East Africa in World War I (b/w photo) / Bridgeman Images

SZT2985743: German protection force in German East Africa in World War I (b/w photo) / Bridgeman Images

SZT2985751: Wounded Ottoman soldiers in a military hospital, 1917 (b/w photo) / Bridgeman Images

SZT2985754: German dentalists at the western front, 1915 (b/w photo) / Bridgeman Images

SZT2985765: The 'Iron Door' in Berlin-Schöneberg, 1915 (b/w photo) / Bridgeman Images

SZT2985769: War memorial monument in Essen, 1915 (b/w photo) / Bridgeman Images

SZT2985776: German auxiliary troops, 1916 (b/w photo) / Bridgeman Images

SZT2985777: Signing up for the auxiliary service, 1917 (b/w photo) / Bridgeman Images

SZT2985779: Farewell of soldiers in Berlin, 1915 (b/w photo) / Bridgeman Images

SZT2985787: Distribution of clothes to children, 1916 (b/w photo) / Bridgeman Images

SZT2985789: Female coachman in Berlin (b/w photo) / Bridgeman Images

SZT2985792: Firefighters training during the First World War (b/w photo) / Bridgeman Images

SZT2985793: Female night-watchmen during the First World War (b/w photo) / Bridgeman Images

SZT2985795: Women at needlework, 1914 (b/w photo) / Bridgeman Images

SZT2985798: Distribution of home work, 1917 (b/w photo) / Bridgeman Images

SZT2985807: Sewing room of the Red Cross, 1917 (b/w photo) / Bridgeman Images