Society of Glass Technology · [Sheffield] · leaf 226
ing not being universally used for the manufactureof glass pots. Personally, I am of the opinion that manufacturersare too keen on finding out how a process will not work. With regard to the mixture of china clay and grog, I thinkbetter results would have been obtained by using the silicate ofsoda… … Plate 9.
Glass
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
