. Scientific American Volume 88 Number 21 (May 1903) . e-rod resting on thesurface of the axle will point to zero on the scaleplate provided the axle is true. If, however, the axlebe bent or sprung, the bar will be raised as the wheelsrotate and the amount of deflection indicated on thescale plate. At the same time the gage-screws restingon the peripheries of the wheels should be watched todetect any flattening in the treads. Any misplace-ment of the car wheels on their axle will be immed-iately observed by noting their relation to these gage-screws. -—— ♦ « » . ♦ BAIL large num
. Scientific American Volume 88 Number 21 (May 1903) . e-rod resting on thesurface of the axle will point to zero on the scaleplate provided the axle is true. If, however, the axlebe bent or sprung, the bar will be raised as the wheelsrotate and the amount of deflection indicated on thescale plate. At the same time the gage-screws restingon the peripheries of the wheels should be watched todetect any flattening in the treads. Any misplace-ment of the car wheels on their axle will be immed-iately observed by noting their relation to these gage-screws. -—— ♦ « » . ♦ BAIL large number of patents on rail joints whichare being issued each year indicates the importance ofthis part of a railway track, and also shows that theproblem has not yet been satisfactorily solved. Hauptmann, of Beaumont, Tex., has attackedthe problem from a new standpoint. Instead of pro-viding devices for joining each rail to the next ad-jacent one, he proposes to weld together a largelumber of rails by electricity or any other suitable. BAIL CONNECTION. means, and then to join these long sections with aconnection which allows for expansion and , the connection provided is of such a natureas to cause no break in the track, thus doing awaywith the objectionable pounding of car wheels inpassing over the usual rail joints. The connectionused is shown in our illustration. It will be observedthat the track sections to be joined are bent outwardat their ends and are connected by a rail whichis tapered to fit these ends. This connecting rail issecurely bolted to one of the track sections but hassliding connection with the other. This is necessaryto allow for the extra large expansion and contrac-tion of the track section due to the length of eachsection. A chair permitting this sliding connection isillustrated in our small detail view. Here the railsection a and the connecting rail 6 are supported on abed plate. Formed on one end of this plate is a ch
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