July 1942. "Conservation. Rubber. This truck tire has run 146,000 miles. It is now planned to retread it with a life expectancy of at least half the original mileage. The tire is size 9.75 x 20, weighs 129 pounds and was run at an air pressure of 70 pounds. Miss Jean Spanitz, stenographer in the Division of Motor Transportation, Office of Defense Transportation, poses with the tire." 4x5 inch acetate negative by Albert Freeman for the Office of War Information.
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