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 220
ce, when the LOOSE PULLILYO hand rope ^ puUed down for up tnpf b/ the pulley will turn in a counter- clockwise direction, and thus the beltwill be moved to the right, bringingopen belt into operation. Pulling upon hand rope rotates A clockwise,moving belt to left and bringing return wire through D… … ELECTRIC ELEVATORS 2,875
Electrical engineering
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