An elementary book on electricity and magnetism and their applications (1919)
Jackson, Dugald C. (Dugald Caleb), 1865-1951, Jackson, John Price, b. 1868, Black, Newton Henry, b. 1874 · New York, The Macmillian Co · leaf 285
and that the efficiencyof the motor is 86 per cent. 10. Repeat the computation of problem 9 for a switchboard-voltageof 550 and for the same per cent voltage drop to the motor. 174. A few of the uses of stationary electric motors. Theuses to which electric motors are put are almost endless.… … FlO. 17.,. — Portable fanoperated by a Berieamotor.
Electricity · Magnetism
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