Society of Glass Technology · [Sheffield] · leaf 546
1917, No. 9615).—The necks ofbottles, / (Fig. 50), are ground by a mandrel, d, fedwith emery or other abrasive material. The mandrel, d, issecured in a chuck, b, on a spindle, b, mounted in a headstock, a.The stopper, e, is carried in a chuck, c, on a second parallel spindle,c, mounted in the same… … Fig. 50. been ground .by the mandrel, d, is then finished off upon the groundstopper. H. G. C. X.—Glassware Accessories. 79. Fire Extinction Bottles. G. J. Money (Brit. Pat.September 26th, 1918, No. 15696).—Relates to cast-glass bottlesor tubes such as are used in chemical fire-extinguishers, and…
Glass
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
