Marson, Percival · London, New York [etc.] Sir I. Pitman & Sons · leaf 71
ingdrawn from the furnace by the stack. It will be GLASS HOUSE FURNACES 55 evident that, the horizontal channels being intermediateto the vertical tubes, the waste heat is continuallybeing absorbed by the air travelling inwards. In otherwords, the air is pre-heated by passing through flueswhich are… … HERMANSEN FURNACE Cross Section through Gas Producer, P. Gas Producer. R. Recuperators. furnace heat becomes a simple matter of controlling thedraught by means of the dampers provided in themain flue. In this type of furnace the glass is meltednightly; open or covered pots may be used, the…
Glass manufacture
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