37 pages matching choke coil in this book
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adjustment amateur radio amateur stations American Radio Relay antenna apparatus audio bakelite band battery broadcast calibration catalog choke choke coil coil complete Conn Convention copy coupling crystal detector dial DIVISION Electric equipment filament filter fixed condenser fone frequency meter gang grid bias grid leak hamfest handled Hartford Headquarters Hiram Percy Maxim inductance input klcm KlCY license messages mitter modulator month mounted ohms oscillator output plate current plate supply plate voltage portable power amplifier push-pull QSL cards radio amateurs Radio Club Radio Relay League receiver rectifier reports resistance resistor says schedules screen-grid Section Short Wave signal skeds speech amplifier switch Thurs tion traffic trans transformer transmitter tube tuning condenser turns unit Vacuum Tube VIBROPLEX volts W1MK watts wire xtal York