here is a good site awith some instructions on phase change. http://www.wizard.com/~scfoster/freoncool.html
another cool site with info on temp and refrigeration in general is http://3rotor.dns2go.com/htmls/my_pc/Ref_p.html (I beleave this is #rotor's page.)
hope that helps.
Last edited by superart; 03-14-2002 at 02:22 PM.
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