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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 516

An illustration from 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, leaf 516
he dynamo is in operation oil will flow from the oil tank, butwhen the dynamo is inoperative, the supply is cut off and no waste takes place. The pre-determined speed of dynamo was 915, at which it delivered 20 amperes. McElroy System.—In this system the dynamo is mounted directlyon the trucks and… … m 2£3 EhS 1.9 I ° 8 ° ©-J* u § e»3 a) £ 4-> CD Q) CD £> <d <^H $.2 ^ o *0 V.V <D^~M <u r! CD -_, n <D +* <D

Electrical engineering

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