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 361
ust-ment coil can be connected. Where sufficient ivariation of the voltage is not obtainable bymeans of these taps, the connection from thelamp terminal can be shifted to a different coiland the finer adjustment is then made as beforestated. The voltage adjustment oan be easilyreached through the… … Terminal volts200-230200-230420-460420-460 Current adjustmentTap 1 Tap 2 Tap 3 oV2 6 6H bV2 6 6H 5J4 6 6H 5V2 ■ 6 6V2 DescriptionDouble globeSingle globeDouble globeSingle globe The values in the table are for 7,200 alternations only. Parallel Arc Lamps.—The disadvantages of more than onesystem of…
Electrical engineering
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