welsbach

1. Of or pertaining to Auer von Welsbach or the incandescent gas burner invented by him. -- Welsbach burner, a burner in which the combustion of a mixture of air and gas or vapor is employed to heat to incandescence a mantle composed of thoria and ceria. The mantle is made by soaking a "stocking" in a solution of nitrates of thorium and cerium (approx. 99 : 1), drying, and, for use, igniting to burn the thread and convert the nitrates into oxides, which remain as a fragile ash. The light far exceeds that obtained from the same amount of gas with the ordinary fishtail burner, but has a slight greenish hue. Source: webster
2. Of or pertaining to Auer von Welsbach or the incandescent gasburner invented by him. -- Welsbach burner, a burner in which thecombustion of a mixture of air and gas or vapor is employed to heatto incandescence a mantle composed of thoria and ceria. The mantle ismade by soaking a "stocking" in a solution of nitrates of thorium andcerium (approx. 99 : 1), drying, and, for use, igniting to burn thethread and convert the nitrates into oxides, which remain as afragile ash. The light far exceeds that obtained from the same amountof gas with the ordinary fishtail burner, but has a slight greenishhue. Source: adambom

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