Society of Glass Technology · [Sheffield] · leaf 570
y side flues, 19. Hotgases from a flue, 15, pass into the com-bustion chamber, 17, and thence by theside flues, 19, into a lower flue, 20,whence they finally pass to a chimney,22. The combustion chamber is sub-divided by walls, 18, 18a, and the flue,20, by a wall, 21, so that the hot gas iscaused… … 140 JOURNAL OF THE SOCIETY OF GLASS TECHNOLOGY. The full line (Fig. 120 a) is a curve showing the distribution of thetemperature, along the length of the muffle, that can be obtained.The dotted line shows the temperature distribution along a corre-sponding length of a lehr of ordinary construction.…
Glass
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