Society of Glass Technology · [Sheffield] · leaf 539
Fig. 37. Fig. 38. 41686).—Relates to the method of drawing glass cylinders by thecold bait process, that is, the process in which the bait, when MACHINERY FOR THE WORKING OP GLASS. 57 inserted in the metal, is at a temperature considerably below thatat which the glass fuses on to the metal of the…
Glass
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