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 243
ect, technically, but it will convey a better idea of the 216 RADIOTELEPHONY mechanical functions of this type of detector than mightsome other description. The accompanying illustrationwill give a clear idea of how such a detector is set up. The condenser is the other essential part of such a… … Paraffined Paper deparalingeach piece °f Tin Foil 1 Finished Condenser signed, but the simplest is built up of alternate layers oftin foil and paraffined paper cut in strips. There shouldbe ten strips of foil about four inches long by three wide,arranged as shown in the accompanying diagram.…
Radio
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