Society of Glass Technology · [Sheffield] · leaf 302
ends and providing air cooling to that portion ofthe valve seating which is ordinarily built up solid. As an alter-native to this method of providing cooling air, a passage may beconstructed between the port sill and the brickwork setting. The accompanying figure clearly shows the air cooling… … [To jace Trans, p. 220. THE COMPOSITION OF LIME SUITABLE FOR GLASS-MAKINO. 221 XVI.-—The Composition of Lime Suitable for VariousPurposes in Glass-making. By Miss V. Dimbleby, B.Sc, and Prof. W. E. S. Turner, D.Sc. There has recently been published in America a ProvisionalSpecification for…
Glass
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