Society of Glass Technology · [Sheffield] · leaf 588
Fig. 132. Fig. 133. heated, and passes into the cylinder, 61, from which some of itpasses, by way of the hollow piston rod, 63, and a flexible pipe,into the glass cylinder being drawn. H. G. C. 273. Metallic Baits for Drawing Sheet Glass. H. K.Hitchcock, Pittsburgh, Pa., Assignor to Pittsburgh…
Glass
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
