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 90
gnified cube there will be one particle toevery cubic inch. The action of molecular constituents of a gas is wellto note at this point. In a gas no force is needed to sepa-rate the molecules from one another. The molecules arein motion constantly. And the same applies to the mole-cules of all… … Copyright, Underwood & Underwood, N. Y.NEW COM 1ACT RADIO DEVICE CARRIED IN SUITCASEBrent Daniel, of Washington, is here shown with his supersensitiveradio receiving device, so compact that it can be carried in an ordinarysuitcase. The new radio device is capable of receiving messages withina…
Radio
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