Society of Glass Technology · [Sheffield] · leaf 440
ch compositions wasone of interpolation, together with a certain amount of experienceenabling the glass-maker to determine what the behaviour ofthe melt would be and other questions of a similar kind. In allcases the author advised the use of preliminary small scale meltsof 5 to 50 kilograms in… … •%7 ^T*5 so Uthtr Dazts io -pio.°- lead was sometimes added to obtain better melting properties, tothe lead silicate containing only lead oxide and silica. Four diagrams were shown, in the first the refractive indexbeing plotted against total BO content, in the second against the 10 JOURNAL OF THE…
Glass
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
