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Old January 10th 08, 06:25 AM posted to rec.radio.amateur.homebrew
John Smith John Smith is offline
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First recorded activity by RadioBanter: Nov 2006
Posts: 2,915
Default Homebrew Triode !!

lw1ecp wrote:
At last!. I had been looking for vacuum tubes homebrewing for ages.
Very good job. Of course, having all the needed tools does help!. Does
anybody know about vacuum pumps homebrewing??? :-)
Daniel Perez


If you wish to go the vacuum pump route, an old refrigerator unit can
pull a vacuum. I would think you would need at least two in series with
a small tank (reservoir) in between the pumps ...

JS