Re: Has anyone made any homemade valves (tubes), semiconductors ...

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Article #5385

#5385

From: David "IGOR" Latter
Date: Tue, 31 Jul 1990 23:42

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 >Scientific American published articles on making your own HeNe LASER 
 >back in the late 60's/ early 70's that among other things detailed
 >making your own getters to purge the LASER tube.  (I remember it
 >because my buddy and I tried to make a LASER as a high-school

Does anyone know the issue that this appeared in?
I am currently setting up a pumping system to resore vintage radio tubes
and would find the information interesting.
Eventually I intend to re-create replacement parts for pre 1930 radio
gear for the Historical Radio Society of Australia members.

                      David.

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References: <10368@crdgw1.crd.ge.com> <872@massey.ac.nz> <37291@shemp.CS.UCLA.EDU> <kimf.649391479@arrester>

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Path: arc1-ca.pugleaf.net!utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!samsung!munnari.oz.au!goanna!dnl
From: dnl@goanna.cs.rmit.oz.au (David "IGOR" Latter)
Newsgroups: sci.electronics
Subject: Re: Has anyone made any homemade valves (tubes), semiconductors ...
Summary: reference wanted
Message-ID: <3496@goanna.cs.rmit.oz.au>
Date: 31 Jul 90 23:42:17 GMT
References: <10368@crdgw1.crd.ge.com> <872@massey.ac.nz> <37291@shemp.CS.UCLA.EDU> <kimf.649391479@arrester>
Organization: Comp Sci, RMIT, Melbourne, Australia
Lines: 14

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