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 282
2. Transporters; 3. Telphers {mono^Sf systems. 2,936 HAWKINS ELECTRICITY The following definitions of the various type show the inherentfeatures of each: Swinging cranes.—Having rotation, but no trolley motion. Jib cranes.—Having rotation and a trolley traveling on the jib. Column cranes.—Identical… … ppss^ DnnmmnmmnifcnaQa u T)iT H Ej5p
Electrical engineering
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