Conservation of used material bears heavily on the progress of the def...
Public domain photograph of America during the Great Depression, 1930s, free to use, no copyright restrictions image - Picryl description
Langdon Tent and Awning Company, Wichita, Kansas. A modern automatic g...
Picryl description: Public domain image of a worker, labor, factory, plant, manufacture, industrial facility, 1930s, mid-20th-century industrial photo, free to use, no copyright restrictions.
Fort Story coast defense. It takes a keen eye and a steady hand to ope...
Public domain photograph of Virginia, 1930s, free to use, no copyright restrictions image - Picryl description
Production. B-24 bombers and C-87 transports. Center wing sections at ...
Picryl description: Public domain photo of an industrial building, factory or warehouse, free to use, no copyright restrictions image.
On board the fishing boat Alden, out of Gloucester, Massachusetts. A s...
Picryl description: Public domain image of a fishing boat, free to use, no copyright restrictions.
Freight operations on the Indiana Harbor Belt railroad between Chicago...
Picryl description: Public domain photograph of an office worker, 1930s, free to use, no copyright restrictions.
Freight train operations on the Chicago and Northwestern Railroad betw...
Public domain photograph - historical image of Illinois, United States, free to use, no copyright restrictions image - Picryl description
Production. B-24 bombers and C-87 transports. Center wing sections at ...
Public domain image of an industrial building, factory, structure, works, 19th-20th century industrial revolution, free to use, no copyright restrictions - Picryl description
Freight train operations on the Chicago and Northwestern Railroad betw...
Picryl description: Public domain image of railroad tracks, railway, train car, free to use, no copyright restrictions.
Citations of individual production merit awarded. The first five Citat...
Public domain photograph of 1930s America, free to use, no copyright restrictions image - Picryl description
Bureau of Standards speeds up photomicrography with new apparatus. Was...
Picryl description: Public domain image of a picnic in the park, outdoor activity, leisure time, free to use, no copyright restrictions.
On board a fishing vessel, out from Gloucester, Massachusetts. The so-...
Public domain photograph of 1930s-1940s US industrial development, Second World War, US war production, indusry, no copyright restrictions image - Picryl description
Production. Milling machines and machine castings. It's all a matter o...
Picryl description: Public domain photograph of a machine, worker, factory, industrial equipment, free to use, no copyright restrictions.
Production speeds up. Dozens of parts for anti-aircraft guns roll off ...
Picryl description: Public domain image of an industrial building, factory, workshop, workers, 19th-20th century, free to use, no copyright restrictions.