. American engineer and railroad journal . OMOTIVE. herewith. It will be seen that the running-gear is similar tothat of a steam locomotive, but the boiler is replaced by the airreservoir. This may be a single cylinder, asshown in the first illustration, or twin cylinders,as in the second, according to the dimensionspermitted by the size of the mine galleries. Theycan frequently be used in mines where from localcauses a steam locomotive could not. In theseengines the air reservoir is made to carry press-ures as high as 500 lbs. It may be added that while the heaviest engineshown in this catalo
. American engineer and railroad journal . OMOTIVE. herewith. It will be seen that the running-gear is similar tothat of a steam locomotive, but the boiler is replaced by the airreservoir. This may be a single cylinder, asshown in the first illustration, or twin cylinders,as in the second, according to the dimensionspermitted by the size of the mine galleries. Theycan frequently be used in mines where from localcauses a steam locomotive could not. In theseengines the air reservoir is made to carry press-ures as high as 500 lbs. It may be added that while the heaviest engineshown in this catalogue has 14 X 24-in. cylindersand corresponding weight and general dimen-sions, there are locomotives included, for plan-tation and mill purposes, which have 5 X , 22-in. driving-wheels, and weigh only8,000 lbs. in working order. Such engines aredoing good and effective work, one of them be-ing on record as having hauled a train weighing 54 tons, with-out difficulty. Thiscatalogue is an interesting study, as it shows a great. LOGGING LOCOMOTIVE, WITH TRAIN OF REDWOOD LOGS. variety of designs for special purposes, in a field where thereis probably much more diversity of requirements than is foundin locomotives of the sizes used in ordinary traffic. Vol. LXVI, No. ENGINEERING JOURNAL. 493 The Butter Drawbar Attachment Companys Illustrated Cata-logue and Price-list. Cleveland, O. This pamphlet contains a very handsomely printed and illiis-trated description of the various devices made by the ButlerDrawbar Attachment Company. The use of these is rapidlyextending, a fact which needs no explanation after looking overthis catalogue, since the usefulness of the attachments is atonce apparent from the descriptions. Every one who is inter-ested in building and running cars ought to see this pamphlet. Indicators, Planimeters, Pantographs, Speed Counters. TheThomson Hydraulic Company, Temple Court, New York. This company has recently purchased the business and plantof th
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectrailroadengineering
