Copper Electrolysis Process at Phelps Dodge Refining 1919

The Phelps Dodge Refining Company in El Paso, Texas, shows sheets of copper prepared for electrolysis tanks, a crucial step in copper refinement. In 1919, this facility was at the forefront of the copper industry, contributing significantly to the supply chain of this vital metal used in various applications, including electrical wiring and plumbing.

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