1925-1938
  • Man shoveling ash from locomotive, Anhalter Bahnhof, Berlin, 192
  • Locomotive Wheels, Borsig-Werke, Berlin, 1928
  • Workers on the factory floor, C.H. Jucho Bridgebuilders, Dortmu
  • Skeleton of Graf Zeppelin, Friedrichshafen, 1928