Society of Glass Technology · [Sheffield] · leaf 478
stancebelow the edge of the metal. The ends of the bar are elevated andprovided with V-shaped grooves which assist in preserving thewidth of the sheet. This bar and the means for drawing the sheetform the subject of a separate patent. G. D. 79. New Method for Drawing Sheet Glass. J. P. Crowley… … IT Fig. 41. and is designed to avoid the marking of the sheet which is ex-perienced when the sheet is drawn vertically and bent over a rollinto a horizontal position. As shown, the tank, 2, has a forehearth or drawing-pot, 7, anda roll, 4, preferably of clay, dips in the metal in this forehearth.As…
Glass
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
