| 单词 | ventilating lamp |
| 释义 | > as lemmasventilating lamp ventilating lamp n. now historical a type of gas lamp that incorporates a room-ventilating feature, typically holes to admit air from below, and a tube, duct, or flue above the burner to allow the passage of hot air and combustion products to the outside.Ventilating lamps were typically very large ceiling lamps which provided some air movement whether or not they were lit. ΘΠ the world > matter > light > artificial light > an artificial light > artificial light defined by light-source > [noun] > gaslight or lamp gaslight1808 gas lamp1814 gas1817 pronghorn1922 1818 La Belle Assemblée July 48 Bed-room ventilating lamps. 1894 Jrnl. Franklin Inst. 341 In the ventilating lamps the heat developed by the combustion of gas is not only carried away without entering the room, but it is utilized to assist in educing heat or vitiated air from the apartments. 2002 M. Dillon Artific. Sunshine v. 147 A costly alternative came in the form of ventilating lamps that required the installation of ducts and flues to take the vitiated air outside the building. < as lemmas |
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