UTD2872793: Silos and plant railway of the Deutsche Fettsäurewerke and Maerkische Seifenindustrie company at Witten, Germany 1930s (b/w photo) / Bridgeman Images

UTD2872794: Factiory buildings at the Deutsche Fettsäurewerke and Maerkische Seifenindustrie company at Witten, Germany 1930s (b/w photo) / Bridgeman Images

UTD2872795: Female staff member of the Deutsche Fettsäurewerke and Maerkische Seifenindustrie company at Witten, Germany 1930s (b/w photo) / Bridgeman Images

UTD2872814: Arthur Imhausen, CEO of the Deutsche Fettsäurewerke and Maerkische Seifenindustrie company at Witten, at the laboratory, Germany 1930s (b/w photo) / Bridgeman Images

UTD2872815: A little boy inhaling hot steam, Germany 1930s (b/w photo) / Bridgeman Images

UTD2872819: A female pharmacist mixing and producing a homoeopathic medicine, Germany 1930s (b/w photo) / Bridgeman Images

UTD2872820: A female pharmacist mixing and producing a medicine, Germany 1930s (b/w photo) / Bridgeman Images

UTD2872850: Worker and warning signs of high voltage at a railway reparing factory, Germany 1930s (b/w photo) / Bridgeman Images

UTD2872861: Workers of a roll thread factory having lunch break at the company canteen, Germany 1930s (b/w photo) / Bridgeman Images

UTD2872899: A pilot trainee studying the steering of a plane by observing a model, Germany 1930s (b/w photo) / Bridgeman Images

UTD2872901: Pilot trainees studying the steering of a plane by observing a model, Germany 1930s (b/w photo) / Bridgeman Images

UTD2872902: Pilot trainees studying the steering of a plane by observing a model, Germany 1930s (b/w photo) / Bridgeman Images

UTD2872904: Pilot trainees learning flight theory with a lecture of an overhead projector, Germany 1930s (b/w photo) / Bridgeman Images

UTD2872908: Theroretical lesson for fututre female and male pilots, Germany 1930s (b/w photo) / Bridgeman Images

UTD2872910: The Reichsautobahn highway near Munich, Germany 1930s (b/w photo) / Bridgeman Images

UTD2872911: The Reichsautobahn highway near Munich, Germany 1930s (b/w photo) / Bridgeman Images

UTD2872912: The Reichsautobahn highway near Munich, Germany 1930s (b/w photo) / Bridgeman Images

UTD2872913: An officer at a miltary training ground with an armoured scout car, Germany 1930s (b/w photo) / Bridgeman Images

UTD2872914: Tank crew and soldier in front of an armoured scout car at a military training ground, Germany 1930s (b/w photo) / Bridgeman Images

UTD2872919: Tank crew and soldier in front of an armoured scout car at a military training ground, Germany 1930s (b/w photo) / Bridgeman Images

UTD2872956: The princess of carnival in Mainz 1938, on the occasion of the 100th anniversary of the leading local carnival association (b/w photo) / Bridgeman Images

UTD2872957: The princess of carnival in Mainz 1938, on the occasion of the 100th anniversary of the leading local carnival association (b/w photo) / Bridgeman Images

UTD2872041: View of a little lane at Allenstein, East Prussia, 1930s (b/w photo) / Bridgeman Images

UTD2872052: At river Memel in Tilsit, East Prussia, 1930s (b/w photo) / Bridgeman Images

UTD2872055: Queen Louise Monument at Tilsit, East Prussia, 1930s (b/w photo) / Bridgeman Images

UTD2872060: View to the Teutonic Order church at Tilsit, East Prussia, 1930s (b/w photo) / Bridgeman Images

UTD2872061: Church of the Teutonic Order at Tilsit, East Prussia, 1930s (b/w photo) / Bridgeman Images

UTD2872066: Memel harbor, East Prussia, 1930s (b/w photo) / Bridgeman Images

UTD2872069: View to the city of Memel, East Prussia, 1930s (b/w photo) / Bridgeman Images

UTD2872072: The Hundegatt at the river Pregel in Koenigsberg, East Prussia, 1930s (b/w photo) / Bridgeman Images

UTD2872076: Old university of Koenigsberg, East Prussia, 1930s (b/w photo) / Bridgeman Images

UTD2872081: Castle and its defence tower at Koenigsberg, East Prussia, 1930s (b/w photo) / Bridgeman Images

UTD2872082: View to the castle at Koenigsberg, East Prussia, 1930s (b/w photo) / Bridgeman Images

UTD2872089: River Pregel near Muenchenhof at Koenigsberg, East Prussia, 1930s (b/w photo) / Bridgeman Images

UTD2872105: Idyll on Paradeplatz square at Koenigsberg, East Prussia, 1930s: a mother playing with two toddlers (b/w photo) / Bridgeman Images

UTD2872107: An old lady taking a nap on Paradeplatz square at Koenigsberg, East Pussia, 1930s (b/w photo) / Bridgeman Images