ROTARY DRILL, OPERATED by 3 horse power Three Phase motor from the Article THE JUNGFRAU THREE-PHASE ELECTRIC RAILWAY. By Ernest Kilburn Scott. from The Engineering Magazine Devoted to Industrial Progress Volume XIX 1900 The Engineering Magazine Co

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Size: 3653px × 2783px
Location: Switzerland
Photo credit: © Historic Illustrations / Alamy / Afripics
License: Licensed
Model Released: No

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