  Argon indicator light, lit.
See two samples back for a description of this argon indicator lamp. Here it is shown with 120V AC applied to it, creating the purple glue characteristic of argon.
Source: eBay seller ramblingguy
Contributor: Theodore Gray
Acquired: 11 March, 2009
Text Updated: 12 March, 2009
Price: $10
Size: 3"
Purity: 90%
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