Definition of Welsbech
Wels"bach (?), a. 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.
Wels"bach (?), a. 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.
- Webster's Unabridged Dictionary (1913)
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