Hawkins electrical guide ... : questions, answers & illustrations : a progressive course of study for engineers, electricians, students and those desiring to acquire a working knowledge of electricity and its applications ; a practical treatise (1914)
Hawkins, N. (Nehemiah), 1833-1928 · New York : T. Audel & Co. · leaf 459
case of electrified steam roads, which operateheavy trains at high speed. 2,550 HAWKINS ELECTRICITY By means of the third rail it is possible to successfully deliveito the cars much heavier currents, and to operate the carssafely at higher speeds than is possible with the ordinary type ofoverhead… … TIE. 7X9X96,-_49 V TO C. L. OF TRACK
Electrical engineering
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