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 361
bina-tion short belt and spur gear drive. This type has the desirable features of quietrunning and compactness. When a rawhide pinion is used practically all noise is elim-inated. This type of drive is desirable for tank pamping in residences, apartment houses,hotels, or wherever noise is… … a double reductionspur gear drivewhich makes a com-pact unit, and fig.4,321, a combina-tion spur gear andbelt double reduc-tion drive, the beltrendering the driveless noisy th an when1: oth reductions areby spur gear, andyet retaining a highdegree of compact-ness. Fig. 4,322.—Goulds double acting…
Electrical engineering
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