Society of Glass Technology · [Sheffield] · leaf 646
ffare placed in suitably shaped holders and are rotated in front ofan electrically heated wire. To assist in getting a straight crack,water-cooled bushings may be arranged on each side of the hotwire in such a way as further to localise the heated zone. S. E. 373. Machine for Making Vials. G. P.… … Fig. 179. 216 JOURNAL OF THE SOCIETY OF GLASS TECHNOLOGY. jilates, 34, and resting on an anti-friction holder, 15, which ismounted on a continuous conveyor, 10. The movement of thisconveyer carries the tube under a bar which is faced with india-rubber so as to cause the tube to rotate in the…
Glass
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