Society of Glass Technology · [Sheffield] · leaf 515
. G. C. 192. Gas Producers. J. Stewart (Brit. Pat. No. 113182,April 10th, 1917, No. 4982).—The rotary conical base of a gas-prod ucer is a^^j^i^^m 25 PP, ^^^^ ^^% ^^^ \\ (/ wH—— ^\-\ r- ^^ more grids or Fj<; 03.^.. U?/ Irl ZjaU U grates in the form of inter-nally projectingpockets, 14 (Fig.61).… … Fig. 62. Fig. 61. Fuels, refractories, and fttRkaces. 137
Glass
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