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 ix
... diameter of any projected circle from the centre of the primitive are equal to the tangents of half the arcs which measure the least and greatest distances of the circle from that pole of the primitive which is opposite the projecting ...
... diameter of any projected circle from the centre of the primitive are equal to the tangents of half the arcs which measure the least and greatest distances of the circle from that pole of the primitive which is opposite the projecting ...
Page xi
... diameter of the sun and by a transit of the pole - star 77. The position micrometer 78. The micrometer microscope 79. Manner of finding the value of a run of the micrometer screw 80. Manner of obtaining the subdivisions on a circular ...
... diameter of the sun and by a transit of the pole - star 77. The position micrometer 78. The micrometer microscope 79. Manner of finding the value of a run of the micrometer screw 80. Manner of obtaining the subdivisions on a circular ...
Page xiv
... diameters vary with the squares of the sines of their inclinations to the horizon 111 Table of the decrements - - 150. The latitude of a station found by circumpolar stars 151. Nautical and geocentric latitude explained 152. Formula of ...
... diameters vary with the squares of the sines of their inclinations to the horizon 111 Table of the decrements - - 150. The latitude of a station found by circumpolar stars 151. Nautical and geocentric latitude explained 152. Formula of ...
Page xvi
... diameter ; and the ratio between the least and greatest distances of the sun from the earth - 194. Approximation to the figure of the earth's orbit by a graphic construction . The orbit elliptical . The areas described by the radii ...
... diameter ; and the ratio between the least and greatest distances of the sun from the earth - 194. Approximation to the figure of the earth's orbit by a graphic construction . The orbit elliptical . The areas described by the radii ...
Page 13
... diameter at the extremity of which the eye is situated . This projection is described by Ptolemy in his tract entitled " The Plani- sphere , " and its principles are supposed to have been known long before his time : it was subsequently ...
... diameter at the extremity of which the eye is situated . This projection is described by Ptolemy in his tract entitled " The Plani- sphere , " and its principles are supposed to have been known long before his time : it was subsequently ...
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Other editions - View all
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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