Changes

74 Inch

4 bytes removed, 12:23, 19 May 2016
/* Vacuum Pumping and LN2 filling: */
# After the first flask, close the cryostat vacuum valve and stop the pump.
# Continue filling slowly until full, indicated by LN2 boiling in the outer funnel. When full, using a glove, quickly remove the inner funnel and dump the excess LN2 back in the filling flask.
 
 
==='''On the Telescope:'''===
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