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Production. War housing trailers. The top of a war housing trailer com...
Public domain photograph of 1930s-1940s US industrial development, Second World War, US war production, indusry, no copyright restrictions image - Picryl description
Senator Ellender. Senatorial sweat! The steam bath, heated with electr...
Public domain photograph, 1910s-1920s portrait, American, free to use, no copyright restrictions image - Picryl description
Great Falls, Montana. Anaconda Wire and Cable Company. Removing anneal...
Public domain image of an industrial building, factory, structure, works, 19th-20th century industrial revolution, free to use, no copyright restrictions - Picryl description