ights or to draw loads. Hundreds of gine revolved 160 soft iron cores surrounded by coils of wire structed by Professor Frederick H. Holmes. The following such engines have been made, only to demonstrate the con- near the poles of the magnets about 100 times a minute. The April a favorable report… … cerned. In prac- heat) capable of GRAMME'S NEW ELECTRIC LIGHT MACHINE. tice, however, he raising 335 gram- found it most ad- day, who thus had the satisfaction of seeing his discoveries mes more, which must be added to the 1,300 grammes ; from vantageous to limit himself to three magnets. When the…
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