Ore sorting floor FERREIRA GOLD MINING CO. from the Article MILLING THE GOLD ORES OF THE WITWATERSRAND. By H. H. Webb and Pope Yeatman. from The Engineering Magazine Devoted to Industrial Progress Volume XV 1898 The Engineering Magazine Co

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Size: 3475px × 2446px
Location: South Africa
Photo credit: © Historic Illustrations / Alamy / Afripics
License: Royalty Free
Model Released: No

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