Dynamo-electricity: its generation, application, transmission, storage and measurement (1884)
Prescott, George B. (George Bartlett), 1830-1894 · New York, D. Appleton · leaf 642
411, gov-erning the regulation, and by the accuracy of which the smallestvariations of current are counteracted. The controller magnetis contained in a box placed near the generator, and consists ofa delicate double axial magnet controlling the admission of thecurrent to the regulator npon the… … 622 THE ELECTRIC LIGHT. DELAFIELDs unipolar continuous CURRENT MACHINE. Fig. 412 is a general view of the Delafield machine, whosearmature has neither wire, bars nor commutator. The mac-hineconsists of a field magnet having hollow cylindrical polar ex-tremities, in each of which a tubular armature…
Electrical engineering
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