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The principles underlying radio communication (1922)

United States. National Bureau of Standards, Ould, Richard Sheldon, 1889-, United States. Army. Signal Corps · Washington, Govt. Print. Off. · leaf 360

An illustration from The principles underlying radio communication, 1922, leaf 360
for that reason the sparking surfaces should be ample.Often the electrodes have fins for radiating away the heat. Anair blast across the gap will greatly aid the recharging by re-moving the ionized air, to which the conducting power of thegap is due. At the sparking surfaces an oxide slowly… … With a given condenser, the quantity of electricity stored onthe plates at each charging is proportional to the voltage im-pressed (Sec. 30), and this can be regulated by lengthening orshortening the spark gap to obtain a higher or lower voltage atthe beginning of the discharge. The length of the…

Telegraph, Wireless · Radio

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