Society of Glass Technology · [Sheffield] · leaf 580
kerand Bender & Frambs Ges., Hagen, Westphalia, Germany(Brit. Pat, No. 133045, September 24th, 1919, No. 23518. Con-vention date, May 2nd, 1918. Not yet accepted).-—In aregenerator of the kind in which air ducts are arranged parallelto and on all sides of waste gas ducts, the air ducts are… … Fig. 67 section. The bricks are provided with projections at their endsto render the joints between the bricks gas-tight. Waste-gas ductsof rectangular shape may be formed by employing two kinds ofbricks of unequal height. The regenerator is enclosed by bricks, b. (Brit. Pat. No. 133046, September…
Glass
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