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 242
re of an audion receiving set. It may be usedin connection with any other kind of detector and with one or twoindividual audion bulbs. WIRELESS TELEGRAPHY 2,333 Transmission of Pictures by Wireless.—.When it becomescommercially practical to write and send pictures by wirelessit is possible that… … FlG. 3,194.—Amateur type of audion amplifier. This is an instrument which is used in con-nection with any detector, preferably an audion detector, for increasing the intensity ofreceived signals from 5 to 10 times. It is not a detector itself in any way. Through itsuse, messages can be read clearly…
Electrical engineering
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