Conversion. Merry-go-round plant. The woodcarving skill of those capab...
Picryl description: Public domain image of children in poverty during the Great Depression, migrant workers, free to use, no copyright restrictions.
Conversion. Toy factory. These two girls, Stephanie Cewe and Ann Manem...
Picryl description: Public domain image of girl workers, child labor, working children, economic conditions, free to use, no copyright restrictions.
Conversion. Merry-go-round plant. The capable hands of this craftsman ...
Picryl description: Public domain image of a ship in New York harbor, free to use, no copyright restrictions.
Conversion. Merry-go-round plant. These hands and this machine used to...
Picryl description: Public domain image of children in poverty during the Great Depression, migrant workers, free to use, no copyright restrictions.
Conversion. Cash registers to gun magazines. A special machine drills ...
Public domain photograph of a woman, female portrait, free to use, no copyright restrictions image - Picryl description
Machinists drilling and reaming valve guide holes in aluminum valve ho...
Picryl description: Public domain image of an industrial building, factory, workshop, workers, 19th-20th century, free to use, no copyright restrictions.
Pickwick Dam. View of generator hall from visitors' overlook Note that...
Picryl description: Public domain image of an aircraft, assembly line, industrial facility, 1930s aviation, free to use, no copyright restrictions.
Conversion. Paper machinery to plant wing parts. All bearing surfaces ...
Public domain image of an industrial building, factory, structure, works, 19th-20th century industrial revolution, free to use, no copyright restrictions - Picryl description
Conversion. Paper machinery to naval sights. Sight rings and details f...
Public domain photograph of New York in 1930s, free to use, no copyright restrictions image - Picryl description
Conversion. Merry-go-round plant. These are landing gear housings for ...
Public domain photograph related to Great Depression, free to use, no copyright restrictions image - Picryl description
Norris Dam and powerhouse. Norris generator hall. Turbines are enclose...
Public domain photograph of 1930s America, free to use, no copyright restrictions image - Picryl description
Production. A-31 ("Vengeance") dive bombers. Burring landing gear hous...
Picryl description: Public domain image of an industrial equipment, workshop, assembly line, factory, power engine, 19th-20th century, free to use, no copyright restrictions.
Norris Dam and powerhouse. Norris generator hall. Turbines are enclose...
Public domain photograph of indoor, interior activity, America in the 1930s, free to use, no copyright restrictions image - Picryl description