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chapter page 1 ElectroMagnetic Waves
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adjustment aerial circuit aerial system aerial tuning condenser aerial tuning inductance alternating current amperes apparatus arrangement battery brass buzzer capacity charging voltage chokes closed circuit connected connexion copper crystal detector damped waves damping designed detector circuit dielectric direction disc discharger earth ebonite effect electric oscillations electrolytic detector employed energy ether waves farads increase induction coil installations jigger jigger primary jigger secondary Leyden Jar magnetic detector Marconi Company Marconi Press Agency mast maximum ment metres Multiple Tuner natural period natural wave length obtained open circuit oscillating current oscillations oscillatory circuit oscillatory current parallel plain aerial plates plug possible potentiometer radiation received current receiving circuit resistance resonance rotary rotation shown in Fig shunted signals spark gap strain insulators studs suitable switch Telefunken telephone terminals transformer transmitting circuit usually valve variable condenser variometer voltage volts wavemeter wireless