Society of Glass Technology · [Sheffield] · leaf 721
sinsulating properties than the walls of section 1. The coolingsections, 2, 3, and 4, are just large enough to house the upper runof the main conveyor and the largest ware to be annealed. Coldair is prevented from entering the cooling chambers by the seal, 238 JOCTRNAL OF THE SOCIETY OF GLASS… … HEHi
Glass
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
