888 



REPORT — 1884. 



r 



w 



R'^; 



JIean Cost of JIatkuials. 

 No. 10, No. 3:5, and No. M. 



Items 



Engine 



Machinery 



Drivers . 



Tire. 



Trucks 



Boiler and tlucs 



Lumber . 



Taints 



Materials 



Labour broue:lit do\fn 



Total, engine 

 Repairs of engine, brought down 



Mean total repairs, engine and tender, in six year.^ 

 Mean cost of repairs, per annvm 



Items 



Tender 



s 



102.44 

 34.80 



r.8.;i;i 



Mean Cost per Train-Mile of Labour and ^Iaterialson Enchne and TiiSDEU 

 ON No. 10, No. 33, and No. 34, during Si.k Years, in Cents and Fractions 

 of a Cent. 



These engines wore new at the beginning of the period covered by the record 

 here reproduced, and the cost of repairs nuust increase with increasing age. The 

 examples presented are, it is admitted, selected examples, and must be aljove th« 

 mean, taking age into consideration if nothing more ; hut so mucii has been done, 

 and, accident and misfortune apart, can l)e done generally with engines of like age. 



With compound locomotives little has been done in "this country. A few hav& 

 been constructed, but without any very marked success, so far as the writer Ims 

 been able to learn. It is certainly very desirable to reduce the consumption of fuel in 

 our locomotives ; but if compounding involves of necessity tlie use of a cranked- 

 axle, as in some examples, it can never be adopted in America, since tlie well- 

 known evils of that feature must far outweigli all possible gain from compound 

 cylinders. The locomotive engine is, witliout doubt, the moat important application 



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