Vacuum tube with mercury. | |||
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Vacuum tube with mercury. I have no idea why this vacuum tube contains beads of mercury. If it gets hot in operation that mercury will vaporize and create a gas much better able to sustain an arc than is vacuum. That is the function of mercury in arc lamps, and presumably that is what it's here for as well. Source: Max Cane Contributor: Max Cane Acquired: 11 August, 2007 Text Updated: 3 September, 2007 Price: Donated Size: 5" Purity: >90% | |||
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