Society of Glass Technology · [Sheffield] · leaf 435
thesolute. The curves given were constructed from Abbe and Schottsfigures for refractive index. They gave the optical effect of equiva-lent weights of Li20, ZnO, BaO, PbO on the refractive index ofB203 (Fig. 1) of Na20, ZnO, BaO, PbO on the refractive index ofalkali silicate glass (Fig. 2), and of… … 20% Fig. 1. (a) The mean refractive indices of fused amorphous B203(nD 1*462), and fused Si02 (nD T4585) or alkali silicate glass(nD variable) were raised by the solution of metallic oxides. The
Glass
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