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January 15, 1907 in History
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Event: 3-element vacuum tube patented by Dr. Lee De Forest |
Related Topics:
Dr Forest Lee patented Tube vacuum Related Year: 1907 Related Events: January 15 |
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More Notable Events on January 15:
1997 Space Shuttle Atlantis docks with Mir Space Station 1975 Space Mountain opens at Disneyland 1973 Gene Shalit joins Today Show panel 1971 Aswan Dam official opens in Egypt 1943 World's largest office building, Pentagon, completed |
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