Simmer & Jack Stamp Mill Stamps grouped by Twenties. 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: 3359px × 2530px
Location: South Africa
Photo credit: © Historic Illustrations / Alamy / Afripics
License: Royalty Free
Model Released: No

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