Society of Glass Technology · [Sheffield] · leaf 77
H o 59 the pots, casting, rolling, and annealing. Casting operations werefortunately in progress just at the time of the visit. The furnaces are gas-fired, from a set of concrete-walled pro-ducers. It was remarkable, indeed, to what extent concrete hadentered into the construction both of the…
Glass
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
