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 233
s controlled entirely ELECTRIC ELEVATORS 2,887 of the car is reduced to approximately 30 per cent, of normal speedand from this slow speed it is very easy to make an accurate landing,the tendency of the car to coast being practically eliminated. Ques. State an additional advantage of slow… … AWIRES CONNECTTO FLOOR PUSHBUTTONS•B FEED
Electrical engineering
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