St. John, Thomas M. (Thomas Matthew), b. 1865 · New York, T. M. St. John · leaf 155
run by the current from the street. Figs. 229-231 show other forms of fan motors. Fig. 232 shows an eledtric hat polisher. A church organ bellows is shown in Fig. 233, so arranged that it can be pumped by an electric motor. Fig. 234 shows a motor direcft connecfted to a drill press. 163. Starting… … Fig. 234. THE ELECTRIC MOTOR, AND HOW 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…
Electricity
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