Society of Glass Technology · [Sheffield] · leaf 512
made of malleable iron or steel. H. G. C. 187. Preheating of Air. A. Hollis (Brit. Pat. No. 113534April 4th, 1917, No. 4862).—In an air-, steam-, or gas-heatingfurnace, more particularly intended for superheating the air supplyto a gas-producer, the furnace chamber is fitted with baffle-walls,h, c,… … Fro. 55. (/, are connected together by headers, d, arranged symmetricallybeneath the baffles, h, and headers, e, and U-bends, //. The furnacei? heated by the combustion of gas and air in a chamber, m, at oneend, and the products flow in counter-current to the air or gas to beheated. The air for…
Glass
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