Society of Glass Technology · [Sheffield] · leaf 538
makingglass cylinders by drawing, and the specification discusses at lengththe relative advantages and disadvantages of the hot baitmethod, in which the bait is preheated to the point at which itwill weld to the glass, and the cold bait method, in which thebait is used at a temperature much below… … 56 JOURNAL OF THE SOCIETY OF GLASS TECHNOLOGY. present invention consists in using a heated bait having a tempera-ture below that at which the glass will fuse thereto, but highenough to have the same radial contraction during the drawingprocess as that which occurs in the novel or rim of glass…
Glass
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