| | | Ordinary light bulb. Exotic light bulbs are filled with xenon or krypton, but ordinary everyday ones are filled with argon, because it's cheap.  This one happens to be a burned out bulb from a microscope, I'm using it just because it's the right size to fit in the table.
 Source: Theodore Gray
 Contributor: Theodore Gray
 Acquired: 15 April, 2002
 Price: Donated
 Size: 1.5"
 Purity: >90%
 Sample Group: Light Bulbs
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