Society of Glass Technology · [Sheffield] · leaf 729
V:V.y/:.-/,-\: ■■ ■■.-,■, ,.. ~r. ::/...:.:-..-.: -*:>/.:>,>/.■• :■■/■■■■; :■:■ i Fig. 214. drawing point can be regulated to suit the thickness of the sheetbeing drawn. The tank, shown in longitudinal vertical section inFig. 214, consists of the usual melting chamber, 1, a refining 246… … Fig. 215. chamber, 4, separated from the chamber, 1, by a floating bridge,19, and a shallow cooling chamber or trough, 7, over which the metal passes into a drawing-pot. Thewidth of the refining chamber, 4, isonly slightly greater than the width ofthe sheet being drawn, in order toprevent the…
Glass
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
