1920 Copper Electrolysis Process at Phelps Dodge Refining Company
The image showcases sheets of pure copper, formed by electrolysis at the Phelps Dodge Refining Company in El Paso, Texas. In 1920, the company refined copper using innovative melting processes, preparing the metal for casting into ingots. El Paso played a significant role in the copper industry, contributing to economic growth in the region.
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1920 Copper Electrolysis Process at Phelps Dodge Refining Company
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