单词 | knobbling |
释义 | knobblingn.ΘΚΠ society > occupation and work > industry > building or constructing > building or constructing with stone > [noun] > other processes raggling1500 rigalding1688 tailing1700 rusticating1749 rustication1766 knobbling1785 boasting1823 wind-pinning1833 stroking1842 garreting1845 hearting1858 knobbing1875 ripple-flaking1883 retouch1885 1785 Jrnls. House of Commons 39 1045 The Wings Ashler omitted, and treated with rough Knobbling, or faced with Bricks—as the Center and Gate—reduced. 1840 Papers on Duties Corps Royal Engineers IV. 160 (table) Knobbling. Ireland...Piece-work, sappers. Medium stone. 1851 G. D. Dempsey Builder's Guide iii. 47 For ragstone ashlar work, the stone, when quarried, has its rough projections knocked off with a heavy double-pointed hammer... This operation is locally [sc. in Kent] called ‘skiffling’, and is the same as that known in the neighbourhood of London and other parts of the country by the term of ‘knobbling’. 1860–4 Dict. Archit. (Archit. Publ. Soc.) Knobbling, the term used near London and in the west of England for..reducing a mass of stone in the quarry to a somewhat square block... In flint work it is called ‘knapping’. 1884 Star (St. Peter Port, Guernsey) 14 Oct. The front elevation is of Cobo granite knobbling, relieved by blue granite coins. 1930 West Coast Sentinel (S. Austral.) 14 Feb. 12/3 Contract No. 734—Knobbling and blinding for width of 12 feet, about 150 chains of stoney outcrops on Waukalooriba-Colley road. 2. U.S. Metallurgy. The process of producing wrought iron from pig iron or (sometimes) steel, typically by means of smelting in a charcoal-fired furnace and hammering the hot metal to remove any remaining impurities. Chiefly attributive, as knobbling fire, knobbling furnace. Now historical and rare.Recorded earliest in knobbling fire. ΚΠ 1852 Student 5 173/2 This process of rendering the metal malleable is called ‘nobbling’, where charcoal is used, and the men or hands employed in it are called ‘nobblers’. 1868 U.S. Patent 74,314 1 The tin may be alloyed with the pig-metal at any time when it is in a molten state, but the inventor believes the best method is to introduce the tin into the molten iron in a bloomery or knobbling fire. 1916 Trans. Internat. Engin. Congr. 1915 69 The steel was usually produced in the knobbling fire, by stopping the process of knobbling before the metal in the fire had reached a state of wrought iron. 1917 Bull. U.S. Bureau Labor Statistics Oct. 485 Knobbler.—makes iron by treatment of steel scrap in a knobbling furnace. 1992 Technol. & Culture 33 770 (footnote) A ‘finery’ or ‘knobbling fire’ was for the last step and was always charcoal fired. This entry has been updated (OED Third Edition, June 2019; most recently modified version published online March 2022). < n.1785 |
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