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 53
Fig. 38.—Hydrostatic analogy of fall of potential in an electrical circuit. Fig. 39.—Showing method of connecting voltmeter to find potential difference between anytwo points as m and n on an electrical circuit. Strength of Current.—It is important that the reader havea clear conception of this…
Electrical engineering
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