In reply to Bob Higgins's message of Sun, 8 Mar 2015 14:31:01 -0600: Hi Bob, [snip] IIRC Ed is also an expert in Tritium detection, though I'm not sure whether or not he has the equipment needed at present. You should ask.
Regards, Robin van Spaandonk http://rvanspaa.freehostia.com/project.html
