Copper Electrolysis Process at Phelps Dodge Circa 1900

Pure copper sheets undergo melting and casting into ingots at the Phelps Dodge refining company in El Paso, Texas, circa 1900. This process, vital to the copper industry, utilized electrolysis to produce high-quality metal. El Paso, known for its significant mining operations, played a crucial role in the early 20th-century industrial landscape.

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