Appleton's dictionary of machines, mechanics, engine-work, and engineering (1861)
Appleton, firm, publishers, New York. (1852, D. Appleton & Co.) · New York : D. Appleton · leaf 899
ing-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 closing… … ■ i i i i i 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
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