detector bar
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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 bar — noun : a device used to keep a railroad switch locked in position while a train is passing over it … Useful english dictionary
Bar-Kochba — (Shimeon bar Kosiba) (1–2 century) Leader of second Jewish revolt, 132–5. Bar Kochba survives in the collective Jewish memory as a national hero and, next to Judas Maccabeus, a symbol of the constant struggle for liberation from imperial… … Who’s Who in Jewish History after the period of the Old Testament
CLEO (particle detector) — CLEO was a general purpose particle detector at the Cornell Electron Storage Ring (CESR), and the name of the collaboration of physicists who operated the detector. The name CLEO is not an acronym; it is short for Cleopatra and was chosen to go… … Wikipedia
Metal detector — A U.S. Army soldier uses a metal detector to search for weapons and ammunition in Iraq A metal detector is a device which responds to metal that may not be readily apparent. The simplest form of a metal detector consists of an oscillator… … Wikipedia
Nerf bar — For other uses, see Nerf (disambiguation). A 2002 Ford Explorer Sport Trac with black nerf bars. A nerf bar is a tubular device fitted to the side of a racecar, typically single seat race cars that compete on asphalt or dirt oval tracks. A nerf… … Wikipedia
L9 Bar Mine — For the Soviet diplomat see Alexander Gregory Barmine Bar mine L9 is a large rectangular British anti tank landmine. The bar mine s principal advantage is its long length a typical anti tank landmine is circular, and for it to activate a vehicle… … Wikipedia
Charles Rood Keeran — circa 1910 1920 Charles Rood Keeran (16 April 1883 June 9, 1948) was an Illinois inventor and businessman. Contents 1 Biography … Wikipedia
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
barretter — /bar et euhr, beuh ret /, n. Electronics. a form of detector or control device employing a resistor that varies in proportion to its temperature. [1900 05; of uncert. orig.; supposed connection with BARRATOR is unclear] * * * … Universalium
Línea espectral — Las líneas espectrales se detectan como líneas de absorción (A) o líneas de emisión (B) dependiendo de las posiciones del detector, el gas y la fuente luminosa. Una línea espectral es una línea oscura o brillante en un espectro uniforme y… … Wikipedia Español
