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The Epic Interactive Encyclopedia 1998
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Epic Interactive Encyclopedia, The - 1998 Edition (1998)(Epic Marketing).iso
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De_Forest,_Lee
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1992-09-02
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9 lines
1873-1961. US physicist who was able to
exploit the commercial value of radio.
Ambrose Fleming invented the diode valve
1904. De Forest saw that if a third electrode
were added, the triode valve would serve as
an amplifier and radio communications would
become a practical possibility. He patented
his discovery in 1906.