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3D3DLow-pressure sodium lamp.
This is a low-pressure sodium vapor lamp (the most efficient type, but gives off an unpleasant yellow light).
Source: eBay seller emmjane-ejc
Contributor: Theodore Gray
Acquired: 21 April, 2009
Text Updated: 21 April, 2009
Price: $35
Size: 12"
Purity: <1%
Sodium