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 364
pling is also formed with this wheel. _ Theposition of the worm below the gear wheel allows it to run in an oil bath, thus givingmaximum lubrication. advantage when the demand on the pump is practically constant.The pressure on the pump is controlled by the pressure in acompression tank. The… … Fig. 4,325.—Goulds type L automatic pressure regulator and by pass.
Electrical engineering
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