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Mercury-vapor lamp - Simple English Wikipedia, the free encyclopedia
The Mercury Vapor Lamp - How it works & history
The Mercury Vapor Lamp - How it works & history
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Sylvania 400 Watt Mercury Vapor Lamp, Coated Finish, Mogul Base, ANSI H33, ED37 Bulb Shape, 24,000 Average Life Hours, 69450 - Walmart.com
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Howard Lighting H39KC-175/DX HID Mercury Vapor Lamp
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