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 74
nd the motor generator must beused. The motor is operated with 110 volts direct current and is startedby a rheostat.The generator is then connected to the switchboard by the throwing of switches. Its useis only temporary. THE TELEPHONE 2,167 Ques. What kind and size of wire is used for tollor long… … ATEN5IQNSTATION METAL\ ORCARBON PLATE. RESISTANCELAMPS — Q Q 1^1 TELAUTOGRAPH POSTSGROUND Fig. 2,981.—Telephone and telautograph circuits as connected to the line by means of a listen-ing key. When the key is normal and the line connected to central through a switchboard,the extension can talk…
Electrical engineering
Internet Archive · Brigham Young University · Public Domain Mark 1.0. Free to use for anything.
