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Welsbach mantle

The Columbia Encyclopedia, 6th ed. | 2011 | 294 words | Copyright

Welsbach mantle or Welsbach burner [for C. A. von Welsbach ], cylindrical framework of gauze impregnated with oxides of thorium and cerium. When heated in a gas flame, it produces a very bright light because of the incandescence of the oxides. It is now used in outdoor and camp lamps.

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