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 458
rarefied gas some of the electrons present are constituentparts of atoms and some are free. These free electrons moveabout with great velocity, and if one of them strikes an atom THE ELECTRON FLOW. 453 it may dislodge another electron from the atom. Under theaction of the emf. between plate and… … Fig Itt Two-elect rodeEJecfron tube F - Filament P - Plate A- battery {or heating■filament b- Battery {or sendingcurrent thro 5|»aoe betw««nf>late and {/lament Fiq £54- *? »* T«m(». T-j ^r^ Tem|» Ti V 0 U i a. Plate Voltai. Characteristic, curve* ofatwo-electrode tube, -for two differenttemjae…
Telegraph, Wireless · Radio
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