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 51
ce of level or otherwise. In addition to the pressure there must also be a suitable pathor channel provided for the water to flow through, or there willbe no flow, however great the head, until something breaksdown under the strain. In the case just cited, although thereis full pressure in the… … Fig. 36.—Hydraulic analogy of the electric current. If, say 10 gallons of water flow inevery second into a system of vessels and pipes of any shape, whether simple or morecomplicated as shown in the figure, and 10 gallons flow out again per second, it ^s evidentthat through every cross section of…
Electrical engineering
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