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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 240

An illustration from 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, leaf 240
aerial. Itmust also be connected to the sliding rod with a piece ofwire. The twin binding post at this end is hooked-up orconnected with the upper sliding rod with a piece of wireand is known as the detector connection. One single binding post is attached to the opposite endof the tube in the… … imMUtlllll1lllulllllMMIIIIIUIIIIUUIIIIII1lll|\Vl uunmimuMMmitumi in mi minim immll 1 iiiiiiiiiiiMiiiniMniiiniiiiiHiiiinfUHiniiiii I

Radio

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