Society of Glass Technology · [Sheffield] · leaf 421
0-00012. Thus, substitution of lead oxide for potash weight for weight has 340 JOURNAL OF THE SOCIETY OF GLASS TECHNOLOGY. a somewhat greater effect upon ?jD than the substitution for soda,whilst the total dispersion is affected by the same amount, whethersoda or potash is replaced by lead oxide.… … 20 30 Percentage of PbO. for the corresponding potash glasses are not shown on the diagram.They are parallel to those for the soda glasses, and slightly lowerin each case, being nearer the smaller the amount of alkali in theglass. Fig. 7 shows the rise in total dispersion for the same glasses. (9)…
Glass
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
