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Show T Time of Stopping a Train. ( At a recent convention of airbrake mon an Interesting report was presented present-ed showing how the distance requlrod fl. for tho stopping of trains had beon roducod by tho now high-speed brake. A train running eighty miles an hour was stopped In 2,240 feet by tho high- ' speed brake at 110 pounds, where ordinary or-dinary pressure of soventy pounds took exactly half a mile to bring It to a stand. Other train speeds and reductions re-ductions In stopping distances were - ' these: Fifty miles an hour, from 840 ; to 700 feet; fifty-live miles, 1,030 foet; Blxty-flve miles, 1,636 to 1,300 foot; soventy miles, 2,010 to 1.E30 feet; sev-enty-flvo miles, 2,295 to 1,840 feet. i |