Society of Glass Technology · [Sheffield] · leaf 151
282 =rise in Vr, = + 0-000086 = rise in (F-C). 86 JOURNAL OF THE SOCIETY OF GLASS TECHNOLOGY. (7) A comparison of the numbers obtained in (5) and (6) showsthat when 1 per cent. CaO is introduced into a glass of this typeand 1 per cent. Si02 taken out to compensate, the rise in refractiveindex and… … 900 10 15 20 Percentage CaO.Fig. 8. 10 15 20 Percentage CaO. Fig. 9. that it is impossible to say what will be the effect of the additionof 1 per cent. CaO unless it is specified how the remaining oxidesin the glass are altered. (8) From the numbers in (5) and (6) it follows that+ (l%CaO - £%Na*,0…
Glass
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
