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Conversion. Automobiles to 40 mm. anti-aircraft guns. To ensure maximum efficiency, every 40 mm. anti-aircraft gun barrel…
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Conversion. Automobiles to 40 mm. anti-aircraft guns. To ensure maximum efficiency, every 40 mm. anti-aircraft gun barrel made in this former automobile plant is checked and double checked. Here an inspector is examining the size of the bore in an army barrel. Chrysler Corporation, Highland Park, Detroit. Sourced from the Library of Congress.

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Conversion. Automobiles to 40 mm. anti-aircraft guns. To ensure maximum efficiency, every 40 mm. anti-aircraft gun barrel made in this former automobile plant is checked and double checked. Here an inspector is examining the size of the bore in an army barrel. Chrysler Corporation, Highland Park, Detroit. Sourced from the Library of Congress.

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