Comment metalica SNF 2007-02-21 14:49:51: roughing pump valve left open

dkozak at snf.stanford.edu dkozak at snf.stanford.edu
Wed Feb 21 14:49:51 PST 2007


at 10:30 today (2/21), found roughing pump valve fully open, with no liquid N2 in the coldtrap.  No apparent damage, could reach good vacuum in good time.  




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