Society of Glass Technology · [Sheffield] · leaf 139
1-56 1-54 1-52 ^ioo^M°^\ —i *-ldsiooM^Uxr~ … 10 15 20 Molecules R0.Fig. 5. For the same two glasses, the rise in total dispersion per moleculePbO substituted for CaO is 0-00032. (2) In the case of the CaO glasses of the 100SiO2,?/R2O,a-RO THE DEVELOPMENT OF VARIOUS TYPES OF GLASS. PART X. 79 series the Na20 glass has the higher Vd and higher…
Glass
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