单词 | almond furnace |
释义 | † almond furnacen. Obsolete. A furnace in which litharge left after the refining of silver is reduced to lead by being heated with charcoal. ΘΚΠ society > occupation and work > equipment > furnace or kiln > furnace > [noun] > furnaces for melting or refining metals forge1601 almond furnace1671 sweep1706 smelt-furnace1834 1671 Philos. Trans. (Royal Soc.) 6 2111 Conceiving it sufficient to say, that our Furnace is no other than an Alman Furnace, I shall proceed..to describe a Tin-kiln, whose structure is four square. 1673 J. Ray Coll. Eng. Words 116 Another Furnace they have which they call an Almond Furnace. 1728 E. Chambers Cycl. (at cited word) The Almond-Furnace, called also the Sweep, is usually six Foot high, four wide, and two thick; built of Brick. 1894 Lead & Zinc Mining in Foreign Countries (U.S. Dept. of State Bureau of Statistics, Special Consular Rep. X) 51 The dross (sweepings) is roasted in the almond furnace after it has been stamped into slick and partly dressed, partly added in other smelting processes. This entry has been updated (OED Third Edition, September 2012; most recently modified version published online March 2022). < |
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