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506548
Caption: Part of a modern potline based on the electrolytic Hall-Heroult smelting process
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 23.94 MB
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507011
Caption: A side-blown copper-nickel matte converter
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 35.31 MB
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506722
Caption: A zinc-lead blast furnace and lead-splash condenser rotors
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 34.27 MB
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507092
Caption: The open-hearth process, a steelmaking technique that accounted for a major part of all steel made during the 20th century
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 32.99 MB