. Railway and Locomotive Engineering . appreciableincrease in oval consumption. It is interesting to note the of Mikado engines on the Northern -^^ --It: ■:■-, ^^,,,^- ^m ..^jie ^^^^__^ r ^Sl r ^^&^^^\ i^^^^^^^^a^^ ! t^ ^^-^ 1 «^^^^^H mSi \ . ■ 1! Hl[iu,.^ H i. i ib ^^IStiT tj^^gy*^ — -_^r - ■ H. M. Curry, Mecha MIK.\DO 2-Slical Superintendent. 2 TYPE LOCOMOTIVE FOR THE NORTHERN PACIFIC R.\IL\V.\Y. ve Company, Builde Mountain divisions. The Yellowstonedivision is 441 miles long and has a maxi-mum grade of one per cent, against botheast and westbound traffic. The newMikados ar


. Railway and Locomotive Engineering . appreciableincrease in oval consumption. It is interesting to note the of Mikado engines on the Northern -^^ --It: ■:■-, ^^,,,^- ^m ..^jie ^^^^__^ r ^Sl r ^^&^^^\ i^^^^^^^^a^^ ! t^ ^^-^ 1 «^^^^^H mSi \ . ■ 1! Hl[iu,.^ H i. i ib ^^IStiT tj^^gy*^ — -_^r - ■ H. M. Curry, Mecha MIK.\DO 2-Slical Superintendent. 2 TYPE LOCOMOTIVE FOR THE NORTHERN PACIFIC R.\IL\V.\Y. ve Company, Builde Mountain divisions. The Yellowstonedivision is 441 miles long and has a maxi-mum grade of one per cent, against botheast and westbound traffic. The newMikados are at present hauling 1,800 tons tance of 219 miles, there is a from Helena to Blossburg, seven-teen miles in length of per cent. Overa portion of this grade a Mallet helper isused. Tlie new Mikados are hauling Pacific Railway. This road is now usingmore Mikado locomotives than any otherroad in tlie United States. The class WMikado was first built by the AinericanLocomotive Company in 1904, and up to. OF M]K.\L)0 TVlE LOCOMOTIVE .-II IMDLSTIOX Cn.\Mi;EU. over this district at an average speed of 2,600 tons from Missoula to Garrison at from eight to ten miles per liour. an average speed of miles per In comparison with an older type of liour. The older type known as W Mikado these new locomotives have in- Mikado hauls 2,200 tons at an average creased the train loads on a portion of speed of twelve miles per Iiotir, On this the divisions nearly .^0 per cent., and the division the new Mikados arc making the present time 270 Mikado locomotiveshave been built for this road by the samebuilders. The new class recently deliv-ered, and which are known as W 3Mikados, are a development of the orig-inal design. These new Mikados are the September, 1913. RAILWAY AND LOCOMOTIVE ENGINEERING. 331 product of the long experience of theAmerican Locomotive Company in thedevelopment of powerful application of this experience to therailro


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