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Conversion. Beverage containers to aviation oxygen cylinders. An oxygen cylinder for high altitude flying, manufactured by the metal division of a large Eastern rubber factory is completed, and after having passed all tests, it is placed on the huge stack ready for shipment to the U.S. Army. Firestone, Akron, Ohio. Sourced from the Library of Congress.

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Conversion. Beverage containers to aviation oxygen cylinders. An oxygen cylinder for high altitude flying, manufactured by the metal division of a large Eastern rubber factory is completed, and after having passed all tests, it is placed on the huge stack ready for shipment to the U.S. Army. Firestone, Akron, Ohio. Sourced from the Library of Congress.

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