pantograph trolley
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Pantograph — Pan to*graph, n. [Panto + graph: cf. F. pantographe.] An instrument for copying plans, maps, and other drawings, on the same, or on a reduced or an enlarged, scale. [Written also {pantagraph}, and incorrectly {pentagraph}.] [1913 Webster] 2. An… … The Collaborative International Dictionary of English
pantograph — [pan′tə graf΄] n. [Fr pantographe: see PANTO & GRAPH] 1. a mechanical device for reproducing a map, drawing, etc. on the same or a different scale, consisting of a framework of jointed rods in a roughly parallelogram form 2. any similar framework … English World dictionary
Trolley pole — For the weapon, see Trolley pole (weapon). . [cite web| url=http://ocw.mit.edu/OcwWeb/Civil and Environmental Engineering/1 012Spring2002/Readings/detail/green line project.htm| title=Boston Transit Milestones| author=Dr. Romin Koebel| work=MIT… … Wikipedia
Pantograph (rail) — A pantograph is a device that collects electric current from overhead lines for electric trains or trams. The term stems from the resemblance to pantograph devices for copying writing and drawings. A flat side pantograph was invented 1895 at the… … Wikipedia
trolley — /trol ee/, n., pl. trolleys, v., trolleyed, trolleying. n. 1. a trolley car. 2. a pulley or truck traveling on an overhead track and serving to support and move a suspended object. 3. a grooved metallic wheel or pulley carried on the end of a… … Universalium
trolley — trol•ley or trol•ly [[t]ˈtrɒl i[/t]] n. pl. leys or lies, 1) trs trolley car 2) trs a pulley or truck traveling on an overhead track and serving to support and move a suspended object 3) trs a) a grooved wheel or pulley on the end of a pole, used … From formal English to slang
pantograph — pantographer /pan tog reuh feuhr/, n. pantographic /pan teuh graf ik/, pantographical, adj. pantographically, adv. pantography, n. /pan teuh graf , grahf /, n. 1. Also, pantagraph. an instrument for the mechanical copying of plans, diagrams, etc … Universalium
pantograph — noun Etymology: French pantographe, from pant + graphe graph Date: 1723 1. an instrument for copying something (as a map) on a predetermined scale consisting of four light rigid bars jointed in parallelogram form; also any of various extensible… … New Collegiate Dictionary
Skew pantograph — Pantograph Pan to*graph, n. [Panto + graph: cf. F. pantographe.] An instrument for copying plans, maps, and other drawings, on the same, or on a reduced or an enlarged, scale. [Written also {pantagraph}, and incorrectly {pentagraph}.] [1913… … The Collaborative International Dictionary of English
MATA Trolley — This article is about Memphis Area Transit Authority heritage streetcar. For McKinney Avenue Transit Authority, see McKinney Avenue Transit Authority. MATA Trolley Info Locale Memphis … Wikipedia
Bow collector — A bow collector is one of the three main devices used on tramcars to transfer electric current from the wires above to the tram below. While once very common in continental Europe, it has now been largely replaced by the pantograph. OriginsWhen… … Wikipedia
