. The street railway review . ar-mile 7lb. Coal consumed per ton-mile lib. Coal consumed per electrical horse power Power consumed per motor car-mile 2,ooowatt-hours. Power consumed per ton-mile 293 Resistance to haulage per ton (draw-bar pull) I47lb. * *# Very few power houses are built these days without some provi^rion for lifting heavy machinery, the traveling crane running the length of the engine and dynamo room being the most generally accepted form of apparatus. Very many substitutes for this can be found however by traveling around among power houses. The Central Railway, at


. The street railway review . ar-mile 7lb. Coal consumed per ton-mile lib. Coal consumed per electrical horse power Power consumed per motor car-mile 2,ooowatt-hours. Power consumed per ton-mile 293 Resistance to haulage per ton (draw-bar pull) I47lb. * *# Very few power houses are built these days without some provi^rion for lifting heavy machinery, the traveling crane running the length of the engine and dynamo room being the most generally accepted form of apparatus. Very many substitutes for this can be found however by traveling around among power houses. The Central Railway, at Peoria, has a four legged derrick high enough and large enough to go over any of its generators. This is slid around from place to place over the floor as it is needed. Of course the manipulation of such a huge four legged affair around among the generators and supporting pillars of the room is rather awkward but it sutTices and is better than a temporaryderrick, as it is alwavs ready. Some Notes on Cooling Tables and The decision of the South Side Elevated Railroad, Chicago,to make use of a tower for cooling the condensing water atthe power station, now build-ing, indicates that the econo-my of these devices is be-coming better have described severalsuch towers in these columnsduring the last two yearsand herewith illustrate an-other, which is known asBarnards. In common withmost cooling towers it occu-r-p I . ^BSH^^ ■■ pics bt: little space and ma}-*^ / ^SIT^P f^r ^ placed upon the roof if It is preferablybuilt of steel plate ; the upper jia-j -^ portion is filled with steel wire mats, galvanized after weaving, through which the water percolates. The arrangement is \erv clearly shown in the illustration. * ** E. J. Philip, chief engineer of the T. Eaton Company,Toronto, recently gave at the open meeting of an engineersassociation the following data regarding a cooling tower forcondensing water, built by his company : The tower is a rectan


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Keywords: ., book, bookcentury1800, bookdecade1890, booksubjectstreetrailroads