Show Big Task One of the big causes of delay in inthe inthe In the l movement lO em nt of freight Is th the h heating heat heat- at- at ing tag of the jo journal rna boxes of car axles commonly called hot bot boxes When one journal box Jox In a n train sets gets ts seriously seriously seriously seri seri- It Is necessary necessary to stop the whole mo movement moment ment of traffic until the condition can be remedied This mak makes makery very ery timely b a series of tests now being carried on n at nt Purdue un- un vei to determine accurately the tile benefit to be derived ved ci by using ventilated ventilated venti vent if lids s Instead of the solid lids now now almost universally used on op the axle journals lh The t tests tests' consist of elg hour eight hour t-hour runs with heavy loads at high speed during which accurate records are re l kept ept of the t temperature attained in each class lass of ot apparatus |