Fleming's First Vacuum Tube
by Underwood Archives
Title
Fleming's First Vacuum Tube
Artist
Underwood Archives
Medium
Photograph - Photograph
Description
England 1904Early types of John Ambrose Fleming's two electrode valve, which was the first vacuum tube.
Uploaded
November 4th, 2013
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Viewed 608 Times - Last Visitor from Ottawa, ON - Canada on 04/18/2024 at 2:05 AM
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