Another sodium vapor lamp. | |||
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Another sodium vapor lamp. USHIO LU 250 ED18 Light Bulb, 250W LU Series High Pressure Sodium Lamp Source: Bulb Americal Contributor: Theodore Gray Acquired: 2 April, 2009 Text Updated: 3 April, 2009 Price: $1 Size: 8" Purity: <1% | |||
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