Society of Glass Technology · [Sheffield] · leaf 482
ng unequally heated. Air jets or gas jetsare directed on to the surface of the roller while it is in rotationin order to maintain its temperature at any desired point. Endlesschains passing over driving sprockets and sprockets on the shaftof the roller are used for traversing it along the table.… … machine for grinding glassware, especially the cracked-off ends of tumblers, etc., comprises a number of similar units, all the grinders VOL. VT. 6 82 JOURNAL OF THE SOCIETY OF GLASS TECHNOLOGY. being driven by a single belt. The machine shown has three units,each of which comprises a…
Glass
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