Public domain
The art of mixing and milling requires skillful judgement and deftness of hand. Part of the secret of these tires lies in the careful training and supervision of these skilled workers. Rubber is flopped and turned over and over again, slashed and bunched in some sports, permitted to run thin in othe
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Credit lineThe art of mixing and milling requires skillful judgement and deftness of hand. Part of the secret of these tires lies in the careful training and supervision of these skilled workers. Rubber is flopp. 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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