Public domain
Molds automatically open. At the end of the curing time, the mold draws the steam out of the airbag, opens the lid and ejects the tire from the tread pattern. Workers need to do nothing but pull out the finished tire and put in another uncured carcass. General Tires, Firestone, Akron, Ohio
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Credit lineMolds automatically open. At the end of the curing time, the mold draws the steam out of the airbag, opens the lid and ejects the tire from the tread pattern. Workers need to do nothing but pull out t. 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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