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 461
g contact withthe conductor. This system is used in the streets of large cities where theuse of overhead trolley wires are objectionable, but the cost ofconstruction is very great. 2,552 HAWKINS ELECTRICITY Ques. How does the conduit system differ from theoverhead system electrically? Ans. The… … FlG. 3,514,-Direct current railwny motor, casing closed; as shown, the armature shaft A, projectsthrough its bearing B, lubricated by the grease box C, and is connected with the car axleby gear wheels enclosed in the gear cover D. The gears serve to reduce the speed of thecar, and also to increase…
Electrical engineering
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