Influence
The achievements of Hall in the U.S. and of Héroult in Europe, and their influence on aluminum companies, some through Héroult's Société Electrometallurgique Française, have been called one of the greatest events in metallurgy. Over ten years, aluminum output in the U.S. increased by 100,000 times and its price dropped to about 2% of its cost before their discovery. Cowles engineered a separate venture and did not share that glory, but sometimes the brothers are credited with envisioning and promoting what was the beginning of electrical smelting on a large scale.
Read more about this topic: Electric Smelting And Aluminum Company
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