[Harp-L] Roll your own tubes
 
I am in awe of you guys who build amps, but there is even deeper 
craziness.  Here is a fascinating 17 minute video of a French guy who 
makes his own vacuum tubes, from scratch!
http://blog.makezine.com/archive/2008/01/make_your_own_vaccum_tube.html
George
     
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