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 272
erof the car and allowed to hang all the way down the shaft as at C, or else two chainsM and S, each of equal weight and about half the length of the chain C, may be attachedto the bottom cf the car and fastened at the middle of the shaft as shown, so that theyhang in a loop in the shaft and travel… … ELECTRIC ELEVATORS 2,927
Electrical engineering
Internet Archive · Brigham Young University · Public Domain Mark 1.0. Free to use for anything.
