Rich wrote: > I am looking for a very low cost bell jar and vacuum pump. Does anyone on the list have one that they would like to sell? I don't expect to pump down to ten to the minus 6 torr. But I want to get down to the lowest possible pressure (below 100 u) You can probably get a cryopump cheap from AMD these days. - Martin -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist