Society of Glass Technology · [Sheffield] · leaf 472
Fig. 31. MACHINERY FOR THE WORKING OP GLASS. 41 … Fig. 32. rise and fall of a plunger, 11. As the plunger, 11, rises afterthe delivery of a charge, a water-cooledconical box, 13, is raised against thetank bottom by the action of the pis-ton, 34, and levers, 27, 31. A slide, 14,is moved to the left by a piston, 19,so as to close the bottom of the…
Glass
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
