31 pages matching rheostat in this book
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Active Broadcasting Stations adjustment alternating current amperes ampliﬁer ampliﬁer tubes antenna antenna circuit apparatus arrestor battery binding posts Calif capacity charge charger Chicago Church City coil antenna College Colo connected coupling crystal detector current ﬂows curves cycles denser diagram dielectric diﬂerent eﬂect Elec electron tube ﬁeld ﬁgure ﬁlament ﬁrst ﬁxed frequency grid condenser grid leak IIII IIIII increased inductance Iowa KDPM kilocycles Lefax Location of Station microhenries Minn Nebr obtained Ohio ohms operation Orleans oscillations Owner of Station Philadelphia Phone plate circuit plate voltage Radio Corp radio waves radio-frequency Radiofax reactance receiving set rectiﬁer regenerative resistance resonance rheostat shown in Fig signals Station Location telephone receiver terminals Texas tickler coil tion transformer transmitting station tuning Univ variable condenser variometer voltage volts Wash wave length WBBL WBBR WCAO wire WKAV WLAX WTAM