On Mon, Dec 12, 2011 at 7:21 PM, M.L. wrote: > I'm sure you've thought of the consequences of having very cold > apparatus exposed to warm moist air. Insulate well. Thanks for reminding me. Need to do some dewpoint calculations. --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .