Society of Glass Technology · [Sheffield] · leaf 626
r are admittedby burners, 17, and ports, 18. At one end, 10, this chamber isenlarged, and cones, 11, of refractory material extending throughthe crown and the arch, 8, are situated in the enlargement, 10.In operation, combustion takes place in the chamber, 9, and cones,11, are intensely heated. The… … :JU^i—I) Fig. 144. Fig. 143. to the Avorking holes, 15, by the heat radiated from the arch, 8.The hot gases pass out of the chamber, 9, into a flue, 21, and circulatearound recuperator tubes, 20, through which the air proceedingto the ports, 18, passes. G. D. 249. A Rotating Lehr and the Method of…
Glass
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