Hutton, Frederick Remsen, 1853- [from old catalog] · New York, J. Wiley & sons; [etc., etc.] · leaf 579
w air in through this hollow wall, where itwill become heated by contact with the hot bricks, and pass-ing through the opening will mix with the flowing productsof combustion over the top, and help to complete their com-bustion (Fig. 462). With this same purpose the bridge-wallis often made of a… … BOILER-SETTING. 543 proper circulation is kept up within it, it can form an efficientaddition to the heating-surface. If water-grates are to beused in a brick setting, the water bridge-wall becomes, practi-cally, a necessity. 278. The Combustion-chamber—Behind the bridge-walland underneath the…
Mechanical engineering · Steam power plants
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