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 891
thecooling-furnace are connected with each other by a low-arched, wide aperture E, for the passage of theplates, as well as by a smaller, higher opening g, for the admission of the flame. The heat in the in-terior can easily be regulated by pushing plates over the apertures c c, and opening or… … The most essential part of the furnace, however, is the spreading-plate or flatting-stone q and <•This must be perfectly even, without any roughness or inequalities which would scratch the glass ormake it lumpy; it must be inalterable in the fire, and of a size somewhat larger than the…
Mechanical engineering · Mechanics · Engineering
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