Society of Glass Technology · [Sheffield] · leaf 595
The width of the sheet is maintained by devices, shown in sectionin Fig. 107, consisting of pipes, 23, having side pieces, 24, that dipinto the glass and have fine slots cut through their walls. Theair is sucked out of the tube, 26, and the atmospheric pressure onthe surface of the glass forces it…
Glass
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
