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Production. 105 millimeter shells. This red-hot billet is undergoing processing in a hydraulic press, where it will be pierced and drawn into the rough shape of an artillery shell. In pre-war days, plumbing fixtures were processed in this Midwest factory (Manitowac Shipyards). Sourced from the Library of Congress.

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Production. 105 millimeter shells. This red-hot billet is undergoing processing in a hydraulic press, where it will be pierced and drawn into the rough shape of an artillery shell. In pre-war days, plumbing fixtures were processed in this Midwest factory (Manitowac Shipyards). Sourced from the Library of Congress.

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