Society of Glass Technology · [Sheffield] · leaf 561
inclined rotary tube, 24. The tube, 24,carries a hub, 43, which receives the conveyer, 23, and the spacebetween the hub, 43, and the tube, 24, is packed with heat-insulatingpacking, 45. The tube, 24, is rotated by a motor, 39, and is setin a furnace divided into sections, 50, 51, 52, which are… … Fig. 77. ILLUMINATION AND ILLUMINATING WARE. 117 tained in a semi-fluid state. Near the lower end of this tube areopenings, 60, with strengthening ribs, 61, between them on theoutside and plates, 62, between them on the inside to prevent thecharge from passing to the closed end of the tube. The…
Glass
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
