A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Illustrates and describes the method used in the west of applying electrical energy to this work. (1200 w.) (No. 78839 A)
Illustrates and describes the method used in the west of applying electrical energy to this work. (1200 w.) (No. 78839 A)
Gold dredging by electric power
Elec Engr, Lond
Perkins, Frank C. (author)
1906
Article (Journal)
English
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Electric power in gold dredging
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