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 143
ECTRICITY and connections are exactly the same at both terminals, andthe description of the operation at one will serve for both.The diagram shows the keys open and the batteries of equalstrength connected in opposition. Accordingly no current flowsin the main line but in the artificial line, the… … MAIM LINE fPT|_ * J :§:b Ra R/7
Electrical engineering
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