3 September, 2007 (1)

3 September, 2007

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Text and images Copyright (c) 2010 by Theodore W. Gray.
Carbon Vacuum tube with graphite
Vacuum tube with graphite.
Source: Max Cane
Contributor: Max Cane
Acquired: 3 September, 2007
Text Updated: 3 September, 2007
Price: Donated
Size: 5"
Purity: >90%