Radio, miracle of the 20th century ... a story of human achievement that stands unrivalled in the history of humanity, together with a colorful portrayal, giving a broad, general view of the whole subject of wireless telegraph and telephone and its marvelous development (1922)
Drinker, Frederick E. [from old catalog], Lewis, James G., [from old catalog] joint author · [Philadelphia, Printed by National publishing co.] · leaf 321
l to D, the platecurrent is increased to H; when the second half of the 294 RADIOTELEPHONY oscillation reduces the grid potential to F the plate cur-rent is reduced to G. It will be seen that the increase incurrent due to one half of the oscillation is much greaterthan the decrease due to the other…
Radio
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