Society of Glass Technology · [Sheffield] · leaf 518
of the bottles open into spaces,c (Fig. 69), separate from, but in com-munication with, a combustion chambera, heated by a liquid-fuel or oil-gas burner. From the spaces, c, flues, d, lead the com- |^ -bustion products either direct to the ^ pr atmosphere through the flues, e, or to thechamber, /,… … Fig. 69. 198. Cooling Device for Gas Ports. O. C. Bookman, Norway (Brit. Pat. No. 121111, May 17th, 1918, No. 8274. Con-vention date, November 27th, 1917. Not yet accepted. Abridgedas open to inspection under Sect. 91 of the Act).—The walls of aport or passage, through which hot gases are…
Glass
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