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Aluminum casting. This special gauge checks diameter of the piston skirt. Made of aluminum, this piston will be used in army jeeps, and is one of the products of a large Midwest factory now converted to manufacture of war essentials. Aluminum Industries Inc., Cincinnati, Ohio. Sourced from the Library of Congress.
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Aluminum casting. This special gauge checks diameter of the piston skirt. Made of aluminum, this piston will be used in army jeeps, and is one of the products of a large Midwest factory now converted to manufacture of war essentials. Aluminum Industries Inc., Cincinnati, Ohio. Sourced from the Library of Congress.

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Aluminum casting. This special gauge checks diameter of the piston skirt. Made of aluminum, this piston will be used in army jeeps, and is one of the products of a large Midwest factory now converted to manufacture of war essentials. Aluminum Industries Inc., Cincinnati, Ohio. Sourced from the Library of Congress.

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