| | | Sputtering targets. These are a pair of high-purity titanium sputtering targets (used, presumably, for vacuum-plating things with titanium).  They ring beautifully: I must get a good recording one day.
 Source: eBay seller choppermr
 Contributor: Theodore Gray
 Acquired: 10 August, 2004
 Price: $1
 Size: 12"
 Purity: 99.9%
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