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 966
not as a carbonate; and for the same reason it is advisable to use a blast of dry air,that is to say, air deprived of aqueous vapor. The products of the furnace are, in the first place, thegases arising from the combustion of the fuel; secondly, the vapors of zinc; thinlly, the… … off through the passages A, and are made use of either for the purpose of heating the boiler of ihssteam-engine which drives the blowing machine, or to burn lime when used for a flux, or to melt thezinc which is carried over in a state of vapor, or to dry and roast the ores. The vapors of zinc…
Mechanical engineering · Mechanics · Engineering
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