rail detector

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• rail detector car — Railroads. a car equipped with special instruments and used to locate defects in rails. * * * …   Universalium

• rail detector car — Railroads. a car equipped with special instruments and used to locate defects in rails …   Useful english dictionary

• Detector bar — De*tect or bar (Railroads) A bar, connected with a switch, longer than the distance between any two consecutive wheels of a train (45 to 50 feet), laid inside a rail and operated by the wheels so that the switch cannot be thrown until all the… …   The Collaborative International Dictionary of English

• Detector lock — Lock Lock, n. [AS. loc inclosure, an inclosed place, the fastening of a door, fr. l[=u]can to lock, fasten; akin to OS. l[=u]kan (in comp.), D. luiken, OHG. l[=u]hhan, Icel. l[=u]ka, Goth. l[=u]kan (in comp.); cf. Skr. ruj to break. Cf.… …   The Collaborative International Dictionary of English

• rail clip — noun 1. : a metal plate projecting over the base of a rail for bolting the rail to its support 2. : an anchor for fastening the rear of a derrick car or a crane to the rails of a track to keep the crane from tipping while lifting a heavy load 3 …   Useful english dictionary

• detector car — noun : a self propelled car equipped with a special mechanism for detecting flaws in rails and marking the rail for replacement * * * detector car, a car that travels over the rails of a railroad and discovers flaws with an electric detecting… …   Useful english dictionary

• Sperry Rail Service — is a company contracted by most of the major railroads in North America to inspect rail.The rail flaw detector car was invented by Dr. Elmer A. Sperry. To railways and railfans, Sperry s name is most likely associated with the Sperry Rail… …   Wikipedia

• June 13 in rail transport — Events 19th century * 1842 Queen Victoria made her first journey by rail (Slough to Paddington). 20th century * 1920 Baltimore and Ohio Railroad inaugurates passenger service to Detroit s Fort Street Union Depot as the first passenger train… …   Wikipedia

• 1928 in rail transport — Events June events * June 13 The first tests are performed with the first rail detector car, invented by Elmer Ambrose Sperry, in Beacon, New York. [http://avenue.org/nrhs/histjun.htm] September events * September 22 Canadian Premier John Bracken …   Wikipedia

• Glossary of rail terminology — Rail transport Operations Track Maintenance High speed Gauge Stations …   Wikipedia

• Defect detector — Overview of a wheel impact detector installation A defect detector is a device used on railroads to detect axle and signal problems in passing trains. The detectors are normally integrated into the tracks and often include sensors to detect… …   Wikipedia