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the electrolytic refining of copper. Trainload of copper bars. Traveling crane placing set of cathode plates in a tank. Tank house. Boiler room. The furnace house -- casting and cooling refined copper bars.
Source: Steve Kirch, collector, and creator of a great website about SCIENTIFIC AMERICAN in the past
Restoration by: magscanner
- Created on
- Monday 15 March 2010
- Posted on
- Monday 15 March 2010
- Tags
- contaminants, metals, ore, purification, refinery, removal
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- 1188