San Francisco : Architect and Engineer, Inc · leaf 467
rested in obtaining an even higherefficiency in the utilization of natural gasfor boiler fuel, it has been increasinglyapparent, however, that if it is sound prac-tice to control the flow of gas in accord- THE ARCHITF.rr .WU ENGrNEF.R ^ 47^ MARCH. NINETEEN THIRn-THRFE ance with steam pressure… … DIAGRAM OF BOILER INSTALLATION, SHOWINGAUTOMATIC DRAFT CONTROL EQUIPMENT depends upon the effectiveness of the burn-er in these two functions. Assuming com-plete combustion and correct heat applica-tion, overall boiler efficiency will be in pro-portion to the relation maintained betweenthe air…
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