LN2 demos: pewter bell and spring, color change tube, LN2 cannon. added to demo request on 26-01-2015

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Demo Name: 
LN2 demos: pewter bell and spring, color change tube, LN2 cannon.
Demo Class: 
10
Demo Semester: 
spring
Demo Professor Name: 
Steve Stahler

Demo Request Status:

Demo Week: 
2