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 271
figure 4,188. The idler pulley slides fromside to side as the cables windon or off. From the illustrationit is clear, that they alternatelyuse the same grooves in pairs.These grooves or scores as theyare called, are, in the case of theoverhead type, so made, thatthey run from the end of thedrum… … Ans. They are so arranged thatthey run from the ends of thedrum toward the center, onegroove on each side. When the engine is set to one sideof the shaft, either on a foundationor a suitable frame on one of theother floors of the building, thegrooves run in pairs side by sidefrom one end of the…
Electrical engineering
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