Modern mechanism, exhibiting the latest progress in machines, motors, and the transmission of power, being a supplementary volume to Appletons' cyclopaedia of applied mechanics (1892)
Benjamin, Park, 1849-1922 · New York, D. Appleton · leaf 405
, which is protected by asmall, separate waler-jacket. Thus is formed a short, water-cooled channel from the furnaceto the fire-hearth. Tlu; slag-discharge from the fore-hearlh is several iiuhes higher than thischiiniul, so that the latter is covered several inches deep with molten material, and… … Fi(i. 2—Raschette furnace. FUE^ACES, SMELTING. 385 that the blast is tightly confined even after the molten material has descended below the top ofthe channel from the furnace. As it is sometimes impossible or inadvisable to close the tap-hole in the fore-hearth at the exact moment when the last of…
Mechanical engineering
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