Society of Glass Technology · [Sheffield] · leaf 663
surface. The method can be carried outby placing the hot article, A, in a nozzle,B, having a suitable holder, C, formedtherein, so that the article is positionedbetween the nozzle, B, and another nozzle,D. The nozzles are directed towards oneanother and are connected to a supply ofcompressed air.… … Fig. 139. MACHINERY FOR Til EC WORKING OF GLASS. 219 292. A Device for Stirring Optical Glass. Sir C. A. Parsons,Newcastle-on-Tyne (Brit. Pat., No. 191842, October 22nd, 1921).—A stirrer for use in the manufacture ofoptical glass is provided with means forgiving it a rapid rotatory motion aboutits…
Glass
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
