. American engineer and railroad journal . of the Cleveland locomotive cylinder onpage 146 of our issue of May called forth the following com-munications. Mr. Clevelands is published in full, but withoutendorsement. We can not follow him in the mysterious inter-change of heat which he describes, but we desire to be per-fectly fair to his engine. The dual exhaust seems to be an ad-miralile device for reducing cylinder condensation, for thereasons wliich we have already stated, and it has the impor-tant attribute of simplicity, but this advantage is somewhatoffset l)y the increase in weight. We
. American engineer and railroad journal . of the Cleveland locomotive cylinder onpage 146 of our issue of May called forth the following com-munications. Mr. Clevelands is published in full, but withoutendorsement. We can not follow him in the mysterious inter-change of heat which he describes, but we desire to be per-fectly fair to his engine. The dual exhaust seems to be an ad-miralile device for reducing cylinder condensation, for thereasons wliich we have already stated, and it has the impor-tant attribute of simplicity, but this advantage is somewhatoffset l)y the increase in weight. We do not consider the testsreferred to as conclusive. They point to the desirability offurther tests and continued service trials. Mr. Todd seems tohave stated the case for the dual exhaust clearly and thereappears to be something in it.—Editor. To the Editor: I have read with much Interest your article, on pages 146 and147 ante, describing the Cleveland dual-exhaust cylinders onthe Intercolonial Railway of Canada; and would beg to point. Prairie Tvpe, Wide Firebox Locomotive, C, B. it Q. Railroad. Motive Power of the Chicago, Burlington & Quincy Railroad,a photograph of the new Prairie Type locomotive recentlybuilt by that road has been received. This engraving supple-ments the description of the engine printed in the April num-ber of this journal, page 103. Satisfactory service is reported for these engines and we areinformed that the expectations of the designers are a short time we expect to be able to give definite informa-tion as to their performance. The American Railway Asssociation Committee on SafetyAppliances reported that on January 1, 1900, out of 1,283,679freight cars in service, 1,191,189 ( per cent.) were fittedwith automatic couplers and 318,180 ( per cent.) were fittedwith air brakes. Also, that out of engines reported,33,435 ( per cent.) were equipped with power brakes. Newcars to the number of 102,485, under construction Januar
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectrailroadengineering
