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 204
d ? Ans. It gives direct trans-mission, that is, no pulleys are Fig. 4,113.—Undermounted full magnetdrum type elevator. The hoisting drumis driven by worm gear from a motor M.The flexible conductors being shown atC running from the car H to a con-nection block B, and thence to thecontroller R. The… … required between drum andcar, also the drum may beso located that one face ofthe drum is over the centerof the car, and the otherface over the counter-balance, thus allowing thecar cables to be fastenedat one end of the drum andthe counterbalance cablesat the other end of thedrum grooves, the…
Electrical engineering
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