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 337
r to advantage. To meet the varied conditions of service, there are a mul-tiplicity of type which may be classified: 1. With respect to the cycle of operation, as a. Reciprocating {£&«£« b. Rotary; c. Centrifugal {SfeSS! 2. With respect to the number of cylinder, as a. Single cylinder; b.… … Fig. 4,280.—Deming automatic 3X3 triplex piston feed pump and receiver. It is designed to automatically drain steam coils, radiators, heaters, etc., of the water of condensationconstantly collecting therein, and to return this water to the boiler at a temperatureotherwise impossible without the use…
Electrical engineering
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