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De Forest   /di fˈɔrəst/   Listen
De Forest

noun
1.
United States electrical engineer who in 1907 patented the first triode vacuum tube, which made it possible to detect and amplify radio waves (1873-1961).  Synonyms: Father of Radio, Lee De Forest.



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"De forest" Quotes from Famous Books



... to be coaxed or threatened out of Maria," said Bell Masters. "I believe it's something too awful to tell. Mr. De Forest, can't you ...
— Only an Incident • Grace Denio Litchfield

... farintaj de Doktoro de Forest por plirapidigi la elsendon de signaloj. Antaux malmultaj tagoj li sukcese signalis po tridek vortoj dum minuto, kaj li kredas ke li povos signali po kvindek vortoj dum minuto, per sia sistemo kiu malsimilas al tiu de Signor Marconi. Membroj ...
— The Esperantist, Vol. 1, No. 4 • Various



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