Society of Glass Technology · [Sheffield] · leaf 702
ag-ments of porousrefractory material,and being formedat its base withcavities, 12, like-wise filled withsuch fragments, towhich gas and airare supplied fornameless combus-tion. Beneath eachchamber is a re-generator, 6, forthe air. Gas issupplied throughducts, 4 (Fig. 182). Molten glass escaping… … Fig. 182. 220 JOURNAL OF THE SOCIETY OF GLASS TECHNOLOGY. 325. Report on Pyrometry. W. E. Forsythe (J. OpticalSoc. Amer., 1920, 4, 305).—This first report of a Standards Com-mittee was made in the form of a summary of existing methodsand data. The data were: (1) The temperature scale and…
Glass
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