SZT6312793: Production of "Geschosskoerbe" (baskets for ammunition), 1916 (b/w photo) / Bridgeman Images

SZT6312805: Indigo extraction in Indonesia, 1914 (b/w photo) / Bridgeman Images

SZT6312808: Production of hats, 1909 (b/w photo) / Bridgeman Images

SZT6312817: Loom for tapestries, 1931 (b/w photo) / Bridgeman Images

SZT6312823: Coal harvest in Bavaria, 1909 (b/w photo) / Bridgeman Images

SZT6312835: Fritz Rasp in "The Love of Jeanne Ney", 1927 (b/w photo) / Bridgeman Images

SZT6312847: Construction of the lighthouse Fastnet Rock at the southern tip of Ireland, 1907 (b/w photo) / Bridgeman Images

SZT6312853: Krupp cannons on the fort of Rabat, 1903 (b/w photo) / Bridgeman Images

SZT6312880: Minstinguett, 1908 (b/w photo) / Bridgeman Images

SZT6312886: Boy doing preparatory work in a diamond cutting shop , 1904 (b/w photo) / Bridgeman Images

SZT6312925: Child labour, 1925 (b/w photo) / Bridgeman Images

SZT6312934: Child labour, 1924 (b/w photo) / Bridgeman Images

SZT6312952: Children in a dark flat (b/w photo) / Bridgeman Images

SZT6312967: Family making dolls, 1924 (b/w photo) / Bridgeman Images

SZT6312951: Child labour in a pottery workshop, 1919 (b/w photo) / Bridgeman Images

SZT6312957: Child labour, 1932 (b/w photo) / Bridgeman Images

SZT6312992: The bread line in front of the Fleischmann Bakery on Broadway, 1904 (b/w photo) / Bridgeman Images

SZT6313014: Women making jewellery, 1910 (b/w photo) / Bridgeman Images

SZT6312996: Children in front of a house, c.1930 (b/w photo) / Bridgeman Images

SZT6313000: Friedaheim in Berlin, 1914 (b/w photo) / Bridgeman Images

SZT6313059: Women working in a cable factory, 1895 (b/w photo) / Bridgeman Images

SZT6313078: Hall of the Krupp works in Essen, 1910 (b/w photo) / Bridgeman Images

SZT6313092: A plant of Siemens&Halske AG, 1900 (b/w photo) / Bridgeman Images

SZT6313095: Boiler manufacturing plant, 1905 (b/w photo) / Bridgeman Images

SZT6313087: Boiler manufacturing plant, 1905 (b/w photo) / Bridgeman Images

SZT6313125: Revue girls from Denmark, 1910 (b/w photo) / Bridgeman Images

SZT6313131: Scene from the farce "Olympische Spiele" in Berlin, 1907 (b/w photo) / Bridgeman Images

SZT6312994: Chimney sweeper in Paris, 1870 (b/w photo) / Bridgeman Images

SZT6313134: Theatre scene from the Parisian play "Le Refuge", 1909 (b/w photo) / Bridgeman Images

SZT6313147: Performance of Anton Chekhov's "Seagull" in Berlin, 1909 (b/w photo) / Bridgeman Images

SZT6313022: Freibank in Berlin, 1905 (b/w photo) / Bridgeman Images

SZT6313034: Cable laying ceremony, 1905 (b/w photo) / Bridgeman Images

SZT6313179: Blessing of weapons at the Military Academy in Vienna, 1913 (b/w photo) / Bridgeman Images

SZT6313195: Secretary with Torpedo typewriter, 20's (b/w photo) / Bridgeman Images

SZT6313185: Prince Friedrich Siegismund as craftsman, c.1910 (b/w photo) / Bridgeman Images

SZT6313112: Transmission factory, 1910 (b/w photo) / Bridgeman Images