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 225
sitive and consists of a piece of zincitein contact with a piece of bornite or with chalcopyrite. The ferron detector is also used by the U. S. Government and is notonly very sensitive but is not easily affected by the transmitter. Originally, detectors were protected from the transmittedspark by a… … Fig. 3,168.—Marconi magnetic detector. The aerial is connected to one end of the primarycoil and the ground to the other and the variable condensers are connected in paralleland used for tuning. The receivers are connected to the secondary coiL Two strongpermanent magnets are placed with like poles…
Electrical engineering
Internet Archive · Brigham Young University · Public Domain Mark 1.0. Free to use for anything.
