Society of Glass Technology · [Sheffield] · leaf 342
he down- or up-draft kilns with perforatedbottoms, used extensively in the clay industries, are recommended.The rate of heating the pot arches should conform to the criticaltemperature ranges applying to clay, namely, the expulsion of thehygroscopic and of the combined water and the oxidation of… … The paper in question contains so many other points of interest thatI beg herewith to direct attention to it, and I am only citing theabove concluding remarks because it expresses an opinion which Ihad already come to myself. Some years previously I designed a gas-fired recuperative potarch on…
Glass
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