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From: Jeff.Miller@samba.acs.unc.edu (BBS Account)
Newsgroups: misc.wanted,sci.electronics
Subject: Geiger counters/tubes, ion chambers, isotopes etc wanted
Message-ID: <621@beguine.UUCP>
Date: 24 Jul 90 09:52:35 GMT
Sender: usenet@beguine.UUCP
Followup-To: poster
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I find these things at swap meets and surplus stores occasionally and find them
fascinating.
 
I want GM tubes, ion chambers, proportional counter tubes, solid-state
detectors, dosimeters, maybe PM tubes and scintillators, and instruments based
on these, even if they don't work or are old. I like sensitive instruments,
ones that can measure background radiation, but I'll consider anything.
 
I have a 1 ug source of radium and a few found-things sources, but I want
something hotter to use with the less sensitive ion chambers. Something
calibrated would be much preffered, maybe an old cobalt source. 25 mR/h at 1 
foot sounds reasonable.
 
Thank you.
 
* Please send any e-mail replies to me as cornhead@sutro.sfsu.edu