| 单词 | welsbach | 
| 释义 | Welsbachn.  Used attributively to designate the gas mantle (mantle n. 16b), invented by von Welsbach, and the lamps employing it. A proprietary name in the U.S. ΘΚΠ the world > matter > light > artificial light > an artificial light > artificial light defined by light-source > 			[adjective]		 > of or lit by specific types of gas lamp Welsbach1887 1887    Pall Mall Gaz. 18 Mar. 12/1  				The Welsbach burner would produce a purer light..with two cubic feet of gas per hour. 1901    Daily Colonist 		(Victoria, Brit. Columbia)	 1 Oct. 5/4  				The Victoria Gas Co., Ltd., are now installing complete Welsbach Lamps free of cost, charging the nominal sum of 5 cents per lamp per month for mantle renewal. 1912    A. Bennett Matador of Five Towns & Other Stories 308  				The Welsbach incandescent mantles on the chandelier saved thirty per cent in gas-bills while increasing the light by fifty per cent. 1964    Official Gaz. 		(U.S. Patent Office)	 21 July  tm119/2  				The Welsbach Corporation, Philadelphia, Pa... Welsbach. For gas lamps..and gas mantles. 1980    Sci. Amer. May 123/2  				The Welsbach mantle, a type of gas burner widely used for home lighting around the turn of the century, proved to be a rich source of N rays. This entry has not yet been fully updated (first published 1986; most recently modified version published online September 2018). < | 
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