| 单词 | cockspur burner |
| 释义 | > as lemmascockspur burner 6. More fully cockspur burner. A kind of gas burner with three holes which produces a flame resembling a cock's spur in shape. Now historical. ΘΚΠ the world > matter > light > artificial light > an artificial light > artificial light defined by light-source > [noun] > gaslight or lamp > parts of > gas-burner > specific cockspur burner1808 sun-burner1852 sunlight1852 the world > matter > properties of materials > temperature > heat > heating or making hot > that which or one who heats > [noun] > a device for heating or warming > fuelled by gas > gas-burner > types of cockspur burner1808 rose burner1820 batwing burner1828 gas ring1837 rosette1856 Bude-burner1875 1808 W. Murdoch in Philos. Trans. (Royal Soc.) 98 126 The shape and general appearance of this tube, has procured it among the workmen, the name of the cockspur burner. 1808 W. Murdoch in Philos. Trans. (Royal Soc.) 98 126 The number of burners employed in all the buildings, amounts to 271 Argands, and 633 cockspurs. 1861 Artizan June 129/1 The original burners were probably not so large as at present, for instead of being batswings, consuming five feet an hour, they were probably cockspurs, or similar burners, consuming not more than three feet. 1921 Gas Manuf., Distribution & Use (Brit. Commerc. Gas Assoc.) i. 43/1 Starting with Murdoch's cockspur burners—which gave less than a candle power of light for each cubic foot of gas consumed per hour—the illuminating efficiency was increased gradually. 2012 L. Tomory Progressive Enlightenment iii. 104 There had been a tendency to favour the cockspur burners..over the Argands because they were simpler and cheaper to manufacture and much easier to keep clean. < as lemmas |
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