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 349
core serves to modify graduallythe direction of the incomingcurrent, thereby preventingwaste of power. The pumpchamber is divided into twoparts by a radial partition,which extends entirely aroundthe interior of the chambersand encloses the base of theconoidal impellers. This par-tition prevents the…
Electrical engineering
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