Path: utzoo!utgpu!news-server.csri.toronto.edu!mailrus!wuarchive!usc!jarthur!nntp-server.caltech.edu!arrester!kimf From: kimf@arrester.caltech.edu (Kim Dorian Flowers) Newsgroups: sci.electronics Subject: Re: Has anyone made any homemade valves (tubes), semiconductors ... Message-ID: Date: 31 Jul 90 02:31:19 GMT References: <10368@crdgw1.crd.ge.com> <872@massey.ac.nz> <37291@shemp.CS.UCLA.EDU> <2310@ryn.esg.dec.com> Sender: news@laguna.ccsf.caltech.edu Organization: California Institute of Technology Lines: 16 taber@ultnix.enet.dec.com (Patrick Taber) writes: >In article <10368@crdgw1.crd.ge.com>, perley@galaxy (Donald P Perley) writes: >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 >science project. We got a nice tour from the folks at MIT out of it. >Sadly, our mirror mounts never worked out.) Omigod! I tried to make a laser for my freshman year in college and I couldn't get it to work because of the mirror mounts also...I'm SO glad I wasn't the only person to run into this problem. Now I can deal with my inferiority complex :) ...sob... Kim Flowers