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 197
ass through the coherer and the telephonereceiver or relay TR. For sending signals the primary circuit of the transmitting systemis closed and opened for short or long intervals of time by means ofthe telegraph key, thus limiting the duration of the oscillations in theoscillator circuit. These… … RKUVIN65Y5Tfrt i CAPACITY ARtA
Electrical engineering
Internet Archive · Brigham Young University · Public Domain Mark 1.0. Free to use for anything.
