St. John, Thomas M. (Thomas Matthew), b. 1865 · New York, T. M. St. John · leaf 151
to pass through the armature of amachine. 147 148 THE ELECTRIC MOTOR, AND HOW IT WORKS. Fig. 224 shows, by diagram, a coil H, suspended sothat it can move easily, its ends being joined to a cur-rent reverser, and this, in turn, to a dry cell DC. Amagnet, H M, will attradl the core of H when no… … Fig. 226. pole of H M to the other. There are many ways bywhich motion can be produced by the current, but tohave it practical, the motion must be a rotary one. (SeeStudy, Chapter XXVI., for numerous experiments.)161. The Electric Motor is a machine for transform-ing elecftric energy into…
Electricity
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