Appleton's dictionary of machines, mechanics, engine-work, and engineering : illustrated with four thousand engravings on wood ; in two volumes (1873)
D. Appleton and Company · New York : D. Appleton and Co. · leaf 758
ain their heat whenbrought to the proper temperature for decomposing the coal, viz. 27° of Wedgewood. and the intro-duction of a fresh charge is not nearly so much felt by them as by metaL This power of retaining heatis proved by constant practice to produce 1000 cubic feet of gas per ton from the… … When properly constructed, these retorts are not in any degree liable to fracture or to the escape ofgas, but are of such strength as to resist the greatest pressure which is likely to be put upon them.The coke also made by them is invariably of better quality, and produces less breeze or waste.…
Mechanical engineering · Mechanics · Engineering
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