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 306
ne; the motorsfor telpher tractors vary from 5 to 15 h. p. and for the hoists, 2,960 HAWKINS ELECTRICITY from 3 to 75 h. p., the loads being from 500 lb. to 30,000 lb.The load factor for the tractor motor is .25 and for the hoistingmotor .16. The driving wheels and the motors may be con-nected by… … Fig. 4,241.—Brown motor driven trolley. It consists of two steel side plates connected by-separator bolts. The steel pins which serve as axles for the wheels, are supported incastings which in turn are bolted to the side plates. These castings together with steelaxles and wheels are easily removed.…
Electrical engineering
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![An illustration from The Mason Machine Works, Taunton, Massachusetts, U.S.A., inventors and builders of cotton machinery : Founded 1842 ; Incorporated 1873 ; [Catalogue] (1898)](https://img.insideoutlibrary.com/img/200/ia-masonmachinework00maso-165-52@90.webp)
