Show I U US USE 13 g 01 OI l' l COAL Pulverized Pul till til 85 5 per cent edit of or It i passes a screen ln ha having OO meshes meshe to the inch soft soc coal gives an almost smokeless cless flame when blown n hlo Into a firebox with ai air The quantity lor of air Is automatically re regulated h by the careless care care- i I less firing such as S is now inevitable inc with wih hand stoking cannot occur Between Chicago antI and Milwaukee the Chicago Chi Chi- cage cago Northwestern ort placed in ma 1 service servie a year cal ago a passenger er locomotive equipped for or burning pulverized coal coal It I has been een thoroughly tested In active service and has demonstrated a marked saving in fuel Cuel According According Ac Ac- cording to tests in iii the Railway Age Ase Gazette this ills locomotive e evaporated 13 per cent more water per pound of coal and I I consumed IS per cent Ies less coal an nn the runs between Chicago and Milwaukee than was required with wih a similar locomotive fired with wih lump coal 1 In the ordinary manner Moreover er a much cheaper grade of coa coal 1 was ivas used on onh h time locomotive burning pulverized coal In tiring firing up UTI the tile coal locomotive on only pounds of coal were required as agall against t 1700 pounds of or lump coal But an ancen even en greater l point In iii favor tn of or powdered coal is the ability to shut off the fire entirely still Thus the time fire tIre while lilile standing can bo ho shut off for about half hail hour entirely or an yet et etIn In Iii live five minutes minute after It I Is started again tho lie h boiler Is up iii 1 to tl full ful pressure This savin saving sav say in lug ing in ill fuel while standing Idle makes powdered pow pow- OW- OW dered coal particularly desirable for tor switchIng switch switch- swich- swich in Ing locomotives The switching engines In hi the time freight yards o of clie and und the tile engines that are gettin getting get get- tin ting up steam stear or standing with lh banked er fires cause a 1 very cry large Jane part purt o of the smoke mole nuisance nuis nuis- ance amice that has been BO so greatly deplored In nil all nI large cities cites It I would woul seem now that as asCar asfar asfar far Car a rib as locomotives es are concerned this nuisance nuisance nuis nuis- ance anco need heed no longer longor be tolerated We Ye go o further and predict that all al large larse steam power plants in cities will wil eventual eventually use powdered coal not only because it will wil prove to be Le more economical but because a smokeless smoke smoke- less city can he be secured In this way wn Engi Engineering and ant Contracting Contracting |