Society of Glass Technology · [Sheffield] · leaf 226
Plate 9. … Plate 10. {Toface Trans., p. 150. THE CASTING OF POTS FOR USE IN EXPERIMENTAL WORK. 151 would give much better results if lilled from the bottom, the funnelbeing at the side and an air escape hole at the opposite side, thislatter to be closed with a plug of clay and a weight when the sliphad flown…
Glass
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
