| 单词 | frost lamp |
| 释义 | > as lemmasfrost lamp frost lamp n. now chiefly historical a small subsidiary lamp used to keep the oil used in a larger lamp warm in cold weather, esp. in a lighthouse. ΘΚΠ the world > matter > light > artificial light > an artificial light > artificial light defined by light-source > [noun] > oil-lamp > argand lamp > types of or lamps used with student lamp1822 frost lamp1846 1846 Rep. Secretary of Treasury on Improvem. Light-house Syst. 91 in U.S. Congress. Serial Set (29th Congr., 1st Sess: Senate Doc. 488) IX It frequently happens that to a stove, must be added a frost lamp for each of the reflectors. 1875 E. H. Knight Amer. Mech. Dict. II. 918/2 Frost-lamp, an oil-lamp placed beneath the oil-tube of an Argand lamp to keep the oil in a flowing condition. 1959 D. A. Stevenson World's Lighthouses before 1820 295/2 (caption) Robert Stevenson's metal parabolic reflector with frost lamp F in 1810. 2010 R. S. Conde Refl. in Mirror ii. 17 This apparatus, in 1849, initially burned Whale oil, from a 24 hour reservoir and utilized a secondary frost lamp in cold weather, to warm the main lamp. < as lemmas |
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