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www.southgatearc.org
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Fleming's Valve celebrates 100th birthdayJohn VK4FNQ tells us this year, 2004, marks the 100th anniversary of
the invention of the "Fleming Valve" also known as the "TUBE". In 1904 Sir Ambrose Fleming patented the Valve Diode and thus led us
faster down the path of electronics. So Happy 100th Birthday for the VALVE!
Source: Wireless Institute of Australia |
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