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To: John Finley who wrote (836)	4/29/2000 10:01:00 AM
From: j t jackson	Read Replies (1) \| Respond to of 1227

...""Re: GE GM MRI - jtj I went looking for info about the system on the web but didn't have any luck. Did find this... kagaku.com; JF...This reference is for a 10 cm diameter room temperature bore laboratory magnet system for NMR studies. Note: cool-down time for this size magnet is 2.5 days, from their specs. IMHO..using a GM cooler to cool-down and refrigerate a 4.2 degree Kelvin superconducting magnet with a 1 meter diameter room temperature bore typically found in medical facilities for MRI just not in the cards. Regards....jtj