Public domain
Adding valve patch and stamping. As the endless tube passes by, the proper length of each tube is automatically crimped into the edge, and serves as a guide for placing the valve patch and stamping the trade name. This tire worker operates both sides of this machine....places the patch into position
From the collection of Library of Congress. Free to download, adapt and use — no permission needed.
Credit lineAdding valve patch and stamping. As the endless tube passes by, the proper length of each tube is automatically crimped into the edge, and serves as a guide for placing the valve patch and stamping th. 1941-01-01. Palmer, Alfred T., United States. Office For Emergency Management. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.
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