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 221
ELECTRIC ELEVATORS 2,875 … PlG^i^S^b1?i^^uCn o^l-Hy Sf ^Pe^Ca5le- /* 8hown an endless cable A. known as ararM ao [ P e S?e of the shaft and over a Pulley C, down through the elevator a?thfmntor°WTftlnd a%nnd * pulley £ con*ected to the swiich or regulating^^pparatusthrough thecaeithS? SfcS^w F ^ Cfr Pulithat P°rtl™ of the…
Electrical engineering
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