UTD2893497: Special guests arriving at the entrance on the Diesel anniversary at the MAN factory at Augsburg, Germany 1930s (b/w photo) / Bridgeman Images

UTD2893500: Memorial plate on the Diesel anniversary at the MAN factory at Augsburg, Germany 1930s (b/w photo) / Bridgeman Images

UTD2893512: Special guests on a factory tour before the Diesel anniversary at the MAN factory at Augsburg, Germany 1930s (b/w photo) / Bridgeman Images

UTD2893516: Special guests on a factory tour before the Diesel anniversary at the MAN factory at Augsburg, Germany 1930s (b/w photo) / Bridgeman Images

UTD2893517: Special guests on a factory tour before the Diesel anniversary at the MAN factory at Augsburg, Germany 1930s (b/w photo) / Bridgeman Images

UTD2893521: Workers on the Diesel anniversary at the MAN factory at Augsburg, Germany 1930s (b/w photo) / Bridgeman Images

UTD2893528: Special guests at the banquet after the Diesel anniversary ceremonial act at the MAN factory at Augsburg, Germany 1930s (b/w photo) / Bridgeman Images

UTD2893539: Special guests at the banquet after the Diesel anniversary ceremonial act at the MAN factory at Augsburg, Germany 1930s (b/w photo) / Bridgeman Images

UTD2893542: Special guests at the banquet after the Diesel anniversary ceremonial act at the MAN factory at Augsburg, Germany 1930s (b/w photo) / Bridgeman Images

UTD2893544: Special guests at the banquet after the Diesel anniversary ceremonial act at the MAN factory at Augsburg, Germany 1930s (b/w photo) / Bridgeman Images

UTD2893546: Special guests at the banquet after the Diesel anniversary ceremonial act at the MAN factory at Augsburg, Germany 1930s (b/w photo) / Bridgeman Images

UTD2893551: Model of a planned bridge produced by bidge construction company J. Gollnow & Sohn at Stettin, Germany 1930s (b/w photo) / Bridgeman Images

UTD2893552: Model of a planned bridge produced by bidge construction company J. Gollnow & Sohn at Stettin, Germany 1930s (b/w photo) / Bridgeman Images

UTD2893553: Model of a planned bridge produced by bidge construction company J. Gollnow & Sohn at Stettin, Germany 1930s (b/w photo) / Bridgeman Images

UTD2893555: Model of a planned bridge produced by bidge construction company J. Gollnow & Sohn at Stettin, Germany 1930s (b/w photo) / Bridgeman Images

UTD2893559: Model of a planned bridge produced by bidge construction company J. Gollnow & Sohn at Stettin, Germany 1930s (b/w photo) / Bridgeman Images

UTD2893560: Model of a planned bridge produced by bidge construction company J. Gollnow & Sohn at Stettin, Germany 1930s (b/w photo) / Bridgeman Images

UTD2893561: Model of a planned bridge produced by bidge construction company J. Gollnow & Sohn at Stettin, Germany 1930s (b/w photo) / Bridgeman Images

UTD2893576: Model of a planned bridge produced by bidge construction company J. Gollnow & Sohn at Stettin, Germany 1930s (b/w photo) / Bridgeman Images

UTD2893586: Collectors looking for white mushrooms in the forest, Germany 1930s (b/w photo) / Bridgeman Images

UTD2893592: At a mushroom cultivation station, Germany 1930s (b/w photo) / Bridgeman Images

UTD2893603: White mushroom being brought to market on a push cart, Germany 1930s (b/w photo) / Bridgeman Images

UTD2893620: At Amorbach centre, Germany 1930s (b/w photo) / Bridgeman Images

UTD2893621: At Amorbach centre, Germany 1930s (b/w photo) / Bridgeman Images

UTD2893622: At Amorbach centre, Germany 1930s (b/w photo) / Bridgeman Images

UTD2893623: At Amorbach centre, Germany 1930s (b/w photo) / Bridgeman Images

UTD2893628: Oxen carriage in front of St Gangolf's church at Amorbach in the Bavarian Odenwald area, Germany 1930s (b/w photo) / Bridgeman Images

UTD2893629: Oxen carriage in front of St Gangolf's church at Amorbach in the Bavarian Odenwald area, Germany 1930s (b/w photo) / Bridgeman Images

UTD2893635: At Amorbach centre, Germany 1930s (b/w photo) / Bridgeman Images

UTD2893037: At Maerkische Landschaft area near Berlin, Germany 1930s (b/w photo) / Bridgeman Images

UTD2893041: At a Munich public garden, Germany 1930s (b/w photo) / Bridgeman Images

UTD2893065: Business street at Stuttgart, Germany 1930s (b/w photo) / Bridgeman Images

UTD2893069: Square at a German city centre, 1930s (b/w photo) / Bridgeman Images

UTD2893071: Hay sheaves after harvesting, Germany 1930s (b/w photo) / Bridgeman Images

UTD2893074: View to the city of Stuttgart, Germany 1930s (b/w photo) / Bridgeman Images

UTD2893088: Woman in landscape, Germany 1930s (b/w photo) / Bridgeman Images