Radio for everybody; being a popular guide to practical radio-phone reception and transmission and to the dot-and-dash reception and transmission of the radio telegraph, for the layman who wants to apply radio for his pleasure and profit without going into the special theories and the intricacies of the art (1922)
Lescarboura, Austin C. (Austin Celestin), 1891- · New York, Scientific American publishing company [etc.] · leaf 157
ne—an instrument equipped with a hornthat projects loud sounds throughout a large room, thusmaking the use of telephone head sets unnecessary. Aloud-speaker must be operated by means of an ampHfier, 138 RADIO FOR EVERYBODY and this phase of radio reception will be described in thenext chapter. It… … Regenerative set making use of tickler coil. P—primary ofTario-coupler; TIC—tickler coil; VCl—variable condenser forvarying- antenna-ground wave length; VC3—variable con-denser for varying secondary of vario-coupler; GLi—gridleak; GC—grid condenser; VT—vacuum tube detector; B—high voltage or plate…
Radio
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