Society of Glass Technology · [Sheffield] · leaf 598
rt blocksof a bad conducting material are brought together, and the glassis allowed to accumulate in the pocket, 47. This supporting cavitycan be heated electrically by heaters as indicated at 48, and thusthe glass can be made to remain so soft as to obliterate any shearmarks. A further advantage… … Fig. 100. 160. Glass Feeding Device. British Thomson-Houston Co.,London, and J. Gray (Brit, Pat, No. 131756, September 12th,1918, No. 14862).—In a machine for manufac-turing glassware, more especially bottles, lampbulbs, etc., predetermined quantities of glassare discharged periodically from a tank…
Glass
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
