![](http://www.alamy.com/thumbs/6/C4252967-A492-4AD6-BDB0-3EB102381376/2AG880Y.jpg)
. Factory and industrial management. BABCOCK & WILCOX CHAIN-GRATE STOKERS, PINKSTON POWER STATION, GLASGOWCORPORATION INSTALLATION OF UNDERFEED STOKERS IN DEPARTMENT STORE OF MARSHALL FIELD & CO., Underfeed Stoker Co. of America, Chicago, IIL 729 730 THE ENGINEERING MAGAZINE. fired grate, while the least smoke was emitted by James Proctorscoking stoker. As a result of extended investigations, Mr. W. states that the comparative amount of smoke emitted fromordinary boiler furnaces may be taken at per cent., and fromimproved mechanically fired furnaces, as
. Factory and industrial management. BABCOCK & WILCOX CHAIN-GRATE STOKERS, PINKSTON POWER STATION, GLASGOWCORPORATION INSTALLATION OF UNDERFEED STOKERS IN DEPARTMENT STORE OF MARSHALL FIELD & CO., Underfeed Stoker Co. of America, Chicago, IIL 729 730 THE ENGINEERING MAGAZINE. fired grate, while the least smoke was emitted by James Proctorscoking stoker. As a result of extended investigations, Mr. W. states that the comparative amount of smoke emitted fromordinary boiler furnaces may be taken at per cent., and fromimproved mechanically fired furnaces, as per cent., on a colorscale in which absolute black is 100. 55000 00000 47019 - Arerage of Stokei Teats \ / K \^ / ^. 45903 -Average of Hand-Fired TeSti 45000 40000 1/ ?^^1— ^ \ Sq. ft. of heating surface per ; 5^ Water per sq. ft. of heating surface; ( Lines connect Stoker Tests 4.:J1 Lines connect Hand Fired Tests. DIAGRAM SHOWING COMPARATIVE ECONOMY OF MECHANICAL AND HAND STOKING. The comparative economy of mechanical and hand firing of boile
Size: 1765px × 1416px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, bookdecade1890, booksubj, booksubjectengineering