WARNING: Tube/Valve amplifiers use potentially LETHAL HIGH VOLTAGES.
Building, troubleshooting and testing of these amplifiers should only be
performed by someone who is thoroughly familiar with
the safety precautions around high voltages.

tubes here...

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and soon everywhere..!

http://perso.wanadoo.fr/michel.terrier/radiocol/detail/fabrication_triode.htm

remember to wash your hands before And after assembly of your tubes

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