theodolite-level

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• Theodolite — A theodolite (IPA en|θiːˈɒdəlаɪt) is an instrument for measuring both horizontal and vertical angles, as used in triangulation networks. It is a key tool in surveying and engineering work, particularly on inaccessible grounds, but theodolites… …   Wikipedia

• theodolite — theodolitic /thee od l it ik/, adj. /thee od l uyt /, n. 1. Survey. a precision instrument having a telescopic sight for establishing horizontal and sometimes vertical angles. Cf. transit (def. 6). 2. phototheodolite. [1565 75; < NL theodolitus …   Universalium

• surveyor's level — level (def. 9a). * * * ▪ instrument       instrument used in surveying to measure the height of distant points in relation to a bench mark (a point for which the height above sea level is accurately known). It consists of a telescope fitted with… …   Universalium

• Spirit level — A spirit level or bubble level is an instrument designed to indicate whether a surface is level or plumb. Different types of spirit levels are used by carpenters, stone masons, bricklayers, other building trades workers, surveyors, millwrights… …   Wikipedia

• Dumpy level — Automatic level in use on a construction site Leveler for use by hand …   Wikipedia

• Laser line level — A laser line level is a tool combining a spirit level and/or plumb bob with a laser to display an accurately horizontal or vertical illuminated line on a surface the laser line level is laid against.Laser line levels are used wherever accurate… …   Wikipedia

• Laser level — See US Patent 5836081. Invented by Steve Orosz. UsageThere are several type of laser levels. There are levels with a rotating motor that creates the illusion of a line.Then there are the newer levels with a fixed lens to create the line. Invented …   Wikipedia

• Bedford Level experiment — The Bedford Level Experiment was a series of observations carried out along a six mile length of the Old Bedford River on the Bedford Level, Norfolk, England, during the nineteenth and early twentieth centuries. It was an attempt to demonstrate… …   Wikipedia

• Y level — Y Y (w[imac]), n.; pl. {Y s} (w[imac]z) or {Ys}. Something shaped like the letter Y; a forked piece resembling in form the letter Y. Specifically: (a) One of the forked holders for supporting the telescope of a leveling instrument, or the axis of …   The Collaborative International Dictionary of English

• striding level — noun : a tube shaped level fastened to a frame having two inverted Y s and mounted on a theodolite …   Useful english dictionary

• surveying — /seuhr vay ing/, n. 1. the science or scientific method of making surveys of land. 2. the occupation of one who makes land surveys. 3. the act of one who surveys: The surveying required nearly two days. [1425 75; late ME: act of examining… …   Universalium