Journal of the Association of Engineering Societies (1881)
Association of Engineering Societies (U.S.) · New York, [etc.] Board of Managers · leaf 177
ILER INSTALLATION. Special smoke readings were not attempted, but after each firing', the stack was observed through a skylight directly over the fireman's head, and the emission of dense smoke prevented by opening, or, as it is termed "cracking" the fire doors about three inches. The doors… … *», TeiHpeimftjn .Murk . AXfirt'.-.. 4it *M *4i 4 So f-M '336 ' Sit j'So 3!4S~ 33c J*i JA 4'tt Time Figure No. 12. All furnace doors, three in number, were fired at each firing period by the spreading method, a l^ in. clean nut coal being used. Many engineers have questioned the economy of furnaces…
Engineering
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