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 303
chief use of automatic telphers? Ans. They are employed for handling coal, ore, and bulkmaterial. ELECTRIC CRANES .2,957 Ques. Define non-automatic telphers. Ans. Non-automatic telphers are those which are controlledby an operator who travels with the load and who operatesboth the telpher and… … Fig. 4,238.—Shaw mono-rail system, showing fixed tongue track switch in upper foreground.The two I beams, as shown, constituting the main or shaft through track and the thirdI beam, constituting the spur or curved track, terminals near the point of tangency ofthese center lines and, have rigidly…
Electrical engineering
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