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
a plate, and the cylinder must be cut open lengthwise.The cylinder, supported by an assistant upon a wooden rod, is, therefore, turned round two or threetimes in the curve of a bent iron, heated to redness, as shown in Fig. 2138, and a drop of water is 888 GLASS. allowed to fall upon the heated… … 2139. I\ Furnaces constructed purposely, in separate buildings, are necessary for this operation, the principalparts of which are shown in horizontal section over the sole in Fig. 2140. The arched space A whichextends the whole length of the furnace, comprising the ash-pit a, and the grate r; the…
Mechanical engineering
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