Machinery and processes of the industrial arts, and apparatus of the exact sciences (1869)
Barnard, Frederick A. P. (Frederick Augustus Porter), 1809-1889 · Washington, Govt. print. off. · leaf 446
Fig. 90. Fig. 91, … Wildes Magneto-electric Machine In the year 1857, Dr. Werner Siemens, of Berlin, whose name hasbeen already mentioned above, constructed a magneto-electrical machine, 430 PARIS UNIVERSAL EXPOSITION. in which an elongated cylindrical armature, wound with insulated wirein the direction of its length,…
Machinery · Scientific apparatus and instruments
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