alidade

Englisch - Türkisch

Definition von alidade im Englisch Türkisch wörterbuch: alidat; {i} mastara

Englisch - Englisch

Definition von alidade im Englisch Englisch wörterbuch: a surveying instrument used on a horizontal surface for basic mapping of a limited area (see: ); a sighting device used for measuring angles; surveying instrument used with a plane table for drawing lines of sight on a distant object and for measuring angles; Instrument, or part of an instrument , for determining direction , either horizontal or vertical In its simplest form, a peepsight or telescope mounted on a straightedge and used for plotting directions graphically In such instruments as transits and theodolites, the alidade is the part containing the telescope and its attachments; In plane tabling, a straight edge having a telescopic sight or other means of sighting parallel to it; 1 A sighting device used to locate points in the field from which the survey drawing is plotted 2 The index of an astrolabe, quadrant or other graduated instrument, carrying the sights or telescope, and showing the degrees cut off on the arc of the instrument; A stationary instrument, mounted on a stand, that measures the angle subtended at the stand by the horizon and an object in space The clinometer is a portable form of alidade frequently used with a ceiling projector to determine the height of clouds An alidade usually measures the elevation angle only; a theodolite measures azimuth as well; A rule equipped with simple or telescopic sites and used for determination of direction (as part of an astrolabe); That part of a surveying instrument which consists of a sighting device and index, with accessories for reading and recording data A telescopic alidade is part of a theodolite or surveyor's transit, and when mounted on a straightedge, in conjunction with a plane-table, is used in topographic surveying (See theodolite and transit); A surveying instrument which uses a telescope and sighting line to transfer angles and alignments to a drawing board; Upper part of a transit or a telescopic instrument used to take bearings; An optical surveying instrument used along side a plane-table and stadia-rod to produce a detailed small-scale topographical map; surveying instrument consisting of the upper movable part of a theodolite including the telescope and its attachments; The portion of a graduated instrument, as a quadrant or astrolabe, carrying the sights or telescope, and showing the degrees cut off on the arc of the instrument surveying instrument used with a plane table for drawing lines of sight on a distant object and for measuring angles surveying instrument consisting of the upper movable part of a theodolite including the telescope and its attachments; {i} tool used in topographic surveying; indicator on a plane table