Plane and Geodetic Surveying, Volume 2 |
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Common terms and phrases
accuracy adjustment altitude angle measure astronomical axis of rotation azimuth benchmarks Bulletin Géodésique calculated Cassini projection celestial sphere centre chronometer reading circle coefficients computation correction cos² cross line curvature curve datum described difference direction Earth effect ellipse Empire Survey Review equations formula geodetic geometry gravity Greenwich Greenwich Mean grid bearing height horizontal angle hour angle instrument intersection latitude latitude and longitude linear local sidereal longitude mean measured lengths meridian meridian plane metres misclosure observed angles observer's obtained obviously orthometric height orthomorphic parallel perpendicular position line practice precise procedure projection quantities radian radius reference refraction right ascension Section shown in Fig sidereal signals sin² spherical excess spherical triangle spheroid bearing spheroid coordinates standard error Star Almanac star's stations surface surveyor telescope Tellurometer theodolite tion transit traverse usually values variations vertical angles zenith distance zero