 | George Richardson Porter - 1846 - 256 Seiten
...the surface of the table, which must previously have been heated, and wiped perfectly clean. Fig. 13. The glass is prevented from running off the sides...which has been made perfectly true and smooth in a turning-lathe, and which extends entirely across the table, resting on the side ribs, is set in motion... | |
 | Useful arts - 1851 - 228 Seiten
...height by a crane; and then, by means of another simple piece of mechanism, is swung over the upper end of the casting table; and being thrown into an...turning lathe, and which extends entirely across the table, resting on the side ribs, is set in motion; and the glass, during its progress, is spread out... | |
 | Robert Hunt - 1851 - 494 Seiten
...height by a crane, and then, by means of another simple piece of mechanism, is swung over the upper end of the casting table, and being thrown into an...When the whole contents of the crucible have been West.] SILVERING PLATE GLASS. 7 delivered, a large hollow copper cylinder, which has been made perfectly... | |
 | Robert Hunt - 1862 - 1068 Seiten
...table by ribs of metal, one of which is placed along the whole length of each side, their depth beipg the exact measure which it is desired to give to the...cross piece, is temporarily held during the casting of the lower end of the table. When the whole contents of the crucible have been delivered, a large... | |
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The glass is prevented from running off the sides of the table by ribs of metal, one of which is placed along the whole length of each side, their depth being the exact measure which it is desired to give to the thickness of the glass. A similar rib,... 