Public domain
Production. Copper (refining). Electrolytic tanks in a large copper refining operation. Sheets of pure copper are formed by electrolysis, later melted and poured into ingots. Large amounts of copper are produced for the war effort at the El Paso, Texas plant of Phelps-Dodge Refining Company
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Credit lineProduction. Copper (refining). Electrolytic tanks in a large copper refining operation. Sheets of pure copper are formed by electrolysis, later melted and poured into ingots. Large amounts of copper a. 1942-01-01. Henle, Fritz, United States. Office Of War Information. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.
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El Paso, Texas. Phelps Dodge refining company. Sheets of pure copper are formed by electrolysis in large tanks in later melted and poured into ingots
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