A Treatise on Surveying, Comprising the Theory and the Practice, Volume 2D. Appleton, 1897 - Surveying |
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Common terms and phrases
accuracy accurate adjustment alidade altitude apparatus axis azimuth barometer base base-line bubble C₁ centimetres chronometer circle clamp co-ordinates Coast and Geodetic collimation computation contours correction curvature curves desired determined difference direction earth elevation ephemeris equal equation feet formula given graduation h₁ hachures height hence horizontal hour angle inch instrument intersection interval kilometres latitude length line of sight located longitude M₁ mean measured meridian method metres micrometer millimetres necessary object observed obtained parallel perpendicular plane plane table plumb line pole position probable error radius reading reduced reference refraction represent right ascension scale screw sextant side sidereal signals slope spheroid stadia star station mark streets surface tangent tape telescope temperature theodolite tion topography transit traverse triangulation United States Coast usually v₁ vernier wire zenith distance zenith telescope