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October 25, 1906 in History
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Event: U.S. inventor Lee de Forest patents "Audion," a 3-diode amplification valve which proved a pioneering development in radio and broadcasting |
Related Topics:
amplification Audion broadcasting development Forest inventor Lee patents pioneering proved Radio valve which Related Year: 1906 Related Events: October 25 |
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More Notable Events on October 25:
1981 200,000 demonstrate in Brussel against cruise missiles 1971 Roy Disney dedicates Walt Disney World 1971 U.N. votes to expel Taiwan and admit Red China 1962 1st Belgian nuclear reactor begins operation 1955 Tappan sells 1st microwave oven |
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