Public domain
Conversion. Auto radiators to army helmets. "Spanking," or forming the edge of a steel army helmet. This operation, performed on a medium-sized press in a converted auto radiator plant, is part of the process of making helmets from flat sheets of steel. McCool Radiator Company, Detroit, Michigan
From the collection of Library of Congress. Free to download, adapt and use — no permission needed.
Credit lineConversion. Auto radiators to army helmets. "Spanking," or forming the edge of a steel army helmet. This operation, performed on a medium-sized press in a converted auto radiator plant, is part of th. 1942-01-01. Baune, United States. Office Of War Information. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.