Dynamo-electricity: its generation, application, transmission, storage and measurement (1884)
Prescott, George B. (George Bartlett), 1830-1894 · New York, D. Appleton · leaf 714
ment is contrary to the mode of action ofelectro magnetism, and that every useful electro motor in whichthe utilized force is derived from an electro magnet must have acontinuous circular primitive movement. JACOBlS ELECTRO MOTOR. Fig. 460 represents Jacobis machine. Four horseshoe electro JACOBIS… … Fig. 460. former may come exactly opposite to and at the smallest possibledistance from the poles of the fixed electro magnets. The samecurrent passes simultaneously in all the coils, and always main-tains the same direction in the system of fixed electro magnets, but 694 THE ELECTRICAL…
Electrical engineering
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