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ALMANAC: Vacuum tubes

Name: ALMANAC: Vacuum tubes
Uploaded: 2014-11-16T09:19:00-0500
Duration: 1 min 21 s
Description: On November 16, 1904, British inventor John Ambrose Fleming patented an electronic receiver that revolutionized communications. Charles Osgood reports.

On November 16, 1904, British inventor John Ambrose Fleming patented an electronic receiver that revolutionized communications. Charles Osgood reports.