--- In VacuumX@..., "nano_tronics" <nortronics@s...>
wrote:
--- In VacuumX@..., gjnelson@a... wrote:
Were you thinking of this?
It is a sorption pump and is useful for small things.
I think it could be used very well for testing gauges but not for
pumping down a
chamber of a significant size
some time ago on the net i saw a site witch talked about plans
to
make
OK found it :)
just read the article
your own VD pump out of ordinary threaded steel or copper pipes
and
fittings and performed quite good especialy from out of standard
plumbing stuff, i cant remember what magazine it was all i
know
that
it was a monthly science mag like american scientist or amateur
scientist or something like that
no no i was talking about a real home made vapor diffusion pump
damm
i cant remember in witch magazine and what article it was :( ill
try
to trace that info
