Society of Glass Technology · [Sheffield] · leaf 393
ot clay in the lead glasses. M2 JOURNAL OF THE SOCIETY OF GLASS TECHNOLOGY. (3) The glasses were very brilliant. Their brilliance was moremarked and they were decidedly less coloured than the correspond-ing glasses of the soda series discussed in the preceding paper. Properties of the Glasses. 1.… … 5 10 15 20 25 30 35 Molecules of PbO. Table III. Series 100SiOs ,40K2O,a;Pl >0. Series 100SiO2 ,20K2O,a, Melt No. Density. Melt No. Density. 182 A (2-681) 183 A 2-616 B (2-868) B 2-849 G (3043) C 3089 D 3-175 D 3-290 E 3-474 E 3-640 F 3-728 F 3-942 40 A comparison of the two series is shown in…
Glass
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