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Old 5th Feb 2018, 9:29 pm   #8
FERNSEH
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Join Date: Mar 2005
Location: Gateshead, Tyne and Wear, UK.
Posts: 7,444
Default Re: GEC BT336 possible tube change

Barkhausen Effect: https://sciencedemonstrations.fas.ha...khausen-effect
And: https://tesla3.com/heinrich-georg-barkhausen/

DFWB.
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