Society of Glass Technology · [Sheffield] · leaf 455
Fig. I.--). … ^^^^^2:^=] Fig. 16. arranged within a pocket 2 projecting into the furnace, and iscarried by internal projections on a collar 5 mounted on the endof a lever 6. The bore of the gathering tube is greater than thatof the inlet to the parison mould, so that the rising glass formsan airtight joint…
Glass
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
