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New type of plating machine being used at the Hamilton Standard Propeller Corporation. It automatically dips the part into the proper solutions for the proper lengths of time. East Hartford, Connecticut. Sourced from the Library of Congress.

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New type of plating machine being used at the Hamilton Standard Propeller Corporation. It automatically dips the part into the proper solutions for the proper lengths of time. East Hartford, Connecticut. Sourced from the Library of Congress.

More