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Flotation bag manufacturing. Stack of flotation bags made of rubberize...
Public domain photograph of the 1930s-1940s World War Two, armed forces, military production, no copyright restrictions image - Picryl description
Flotation bag manufacturing. There are as many types of flotation bags...
Public domain photograph of indoor, interior activity, America in the 1930s, free to use, no copyright restrictions image - Picryl description
Subcontracting aircraft parts. These workers at the huge airship dock,...
Picryl description: Public domain image of a factory, plant, manufacture, assembly line, industrial facility, early 20th-century industrial architecture, free to use, no copyright restrictions.