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Reginald Fessenden
Bell and Howell
Lee DeForest
Inventions
Theodore Case Film Producer
Lee DeForest
Documentary
Vannevar Bush Electrical Engineer
Lee DeForest
Biography
WWJ-AM
Lee DeForest
Radio
Electronic Amplifier
Lee DeForest
Quotes
George Jessel Actor
Lee DeForest
Phonofilm
Nick Holonyak
Lee DeForest
Audion Tube
KDKA-AM
Lee DeForest
Oscilloscope
Merian Caldwell Cooper
Lee DeForest
vs Edison
Heinrich Randolph Hertz
Electronics Engineering
Edwin Howard Armstrong
Sound Film Movie
Morse Code
Fran Striker
John Logie Baird
Audion Amplifier Tube
RCA Corporation
Western Electric
Nikola Tesla
Alexander Graham Bell
Mihajlo Idvorski Pupin
Radar Technology
William David Coolidge
Claude Elwood Shannon
Guglielmo Marconi
Morris Chang
Sound Film History
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