St. John, Thomas M. (Thomas Matthew), b. 1865 · New York, T. M. St. John · leaf 156
IT WORKS. 153 suddenly allowed to pass into the armature of a motor,the coils would be over-heated, and perhaps destroyed,before it attained its full speed. A rapidly revolvingarmature will take more current, without being over-heated, than one not in motion. A motor at full speedadts like a…
Electricity
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