Dynamo-electricity: its generation, application, transmission, storage and measurement (1884)
Prescott, George B. (George Bartlett), 1830-1894 · New York, D. Appleton · leaf 609
the fact that the collectingsprings; before leaving one of the radial pieces, already touchthe next. This machine, though it was at least as good, theo-retically, as the Lontin, was never developed industrially,probably because M. Niaudet conceded its inferiority to theGramme machine. brushs… … Fig. 383. ference it is alternately wide and narrow, as shown in fig. 383,which represents a portion of the iron ring. The ring isdivided into sectors by rectangular grooves; in these the coilsof insulated copper wire are wound until the groove is filled,and the flat converging recesses become…
Electrical engineering
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