Spon, Ernest, Haldane, Robert, Lock, Charles G. Warnford (Charles George Warnford), 1853-1909 · London ; New York : E. & F.N. Spon · leaf 359
Lead — Blast furnaces ; Precipitation. 341 it into the flues. The reduction of the a steam boiler. Omitting the water- metal takes place a little above the jacket, a similar furnace is employed at level of the twyers 6, and the metal and Snailbeach for smelting slags. (Dr. Bal- slag, with a regulus… … descends to 3 ft. at the level of the ofl. At the Sheffield Smelting Co.'s twyers, reaches 4 ft. 9 in. at the level works, a form of blast furnace, in use of the throat ; each face is provided with for smelting rich argentiferous ores, is 5 twyers arranged in quincunx order. much lower than the…
Workshop recipes · Technology · Industrial arts
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