Lead read · 4 min
Ardis Furnace: Iron Mountain's Expensive Failure
In 1908 John T. Jones patented a way to pull nearly pure iron out of low-grade ore without ever melting it, and built a 120-foot rotating…
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Lead read · 4 min
In 1908 John T. Jones patented a way to pull nearly pure iron out of low-grade ore without ever melting it, and built a 120-foot rotating…
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