Posted by: andy
New skill for Mark and Patrick to master in their spare time - 18/01/2010 14:38
Making vacuum tubes by hand...
http://www.dailymotion.com/video/x3wrzo_fabrication-dune-lampe-triode_tech
http://www.dailymotion.com/video/x3wrzo_fabrication-dune-lampe-triode_tech