Practical Astronomy and Geodesy: Including the Projections of the Sphere and Spherical Trigonometry. For the Use of the Royal Military CollegeLongman, Brown, Green, and Longmans, 1845 - 427 pages |
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Page vii
... surface of the earth is accurately or nearly that of a sphere 2. Definition of the plane of the horizon , the plane of the meridian , a meridian line , its north and south points , a vertical line , the zenith and nadir , a vertical ...
... surface of the earth is accurately or nearly that of a sphere 2. Definition of the plane of the horizon , the plane of the meridian , a meridian line , its north and south points , a vertical line , the zenith and nadir , a vertical ...
Page x
... surface of a cone cutting the sphere 52. Conical development of a spherical quadrant 53. Nature of Mercator's development - - Page 34 - 34 · 35 36 · 37 38 39 54. Investigation of the lengths of the meridional arcs , with an example 39 ...
... surface of a cone cutting the sphere 52. Conical development of a spherical quadrant 53. Nature of Mercator's development - - Page 34 - 34 · 35 36 · 37 38 39 54. Investigation of the lengths of the meridional arcs , with an example 39 ...
Page xiii
... suming the earth to be a plane and the upper surface of the atmosphere parallel to it 143. Coefficient of refraction from experiments on the refractive power of air - 106 - 106 Art . 144. Formula of Bradley : values of the CONTENTS . xiii.
... suming the earth to be a plane and the upper surface of the atmosphere parallel to it 143. Coefficient of refraction from experiments on the refractive power of air - 106 - 106 Art . 144. Formula of Bradley : values of the CONTENTS . xiii.
Page xx
... surface 288. Nature of her librations - 214 · 215 - 215 - 216 217 - 217 289. Manner of finding the positions of the moon's spots and of her equator - - 218 290 Process for determining the height of the lunar mountains - 219 CHAP . XIII ...
... surface 288. Nature of her librations - 214 · 215 - 215 - 216 217 - 217 289. Manner of finding the positions of the moon's spots and of her equator - - 218 290 Process for determining the height of the lunar mountains - 219 CHAP . XIII ...
Page xxv
... the centre of a station - 359 396. Formula for verifying the observed angles of a triangle on the surface of the earth , supposed to be a sphere b - 360 Art . Page 397. Formula for reducing an observed angle CONTENTS . XXV.
... the centre of a station - 359 396. Formula for verifying the observed angles of a triangle on the surface of the earth , supposed to be a sphere b - 360 Art . Page 397. Formula for reducing an observed angle CONTENTS . XXV.
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Practical Astronomy and Geodesy: Including the Projections of the ..., Volume 5 John Narrien No preview available - 2016 |
Common terms and phrases
angular distance apparent ascension and declination astronomical azimuth bisected celestial body celestial sphere centre circle passing circumference colatitude computed considered correction corresponding cosine cotan degrees described determined diameter difference earth ecliptic ellipse equal equator equatorial equinoctial point expressed fixed star formula geocentric given graduation Greenwich Greenwich mean horary motions horizontal parallax hour angle index error instant instrument interval latitude latter let fall limb longitude mean noon meridian micrometer moon moon's Nautical Almanac node observed altitude obtained optical axis orbit parallax parallel perihelion perpendicular plane passing polar distance pole position projection radius refraction represented revolution revolve right angles right ascension satellite screw sector semidiameter side sidereal sidereal clock sine sphere spherical triangle star's station subtended subtracted supposed surface tangent transit telescope true variation vertical wire zenith distance zero
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