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 Seiten |
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Seite viii
... primitive circle defined . — A projected great circle intersects it in one of its diameters 25. ( Prop . I. ) Circles of the sphere , passing through the eye , are projected in straight lines 26. ( Prop . II . ) If a circle of the ...
... primitive circle defined . — A projected great circle intersects it in one of its diameters 25. ( Prop . I. ) Circles of the sphere , passing through the eye , are projected in straight lines 26. ( Prop . II . ) If a circle of the ...
Seite ix
... primitive 33. ( Prop . VIII . ) The distances of the extremities of the 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 ...
... primitive 33. ( Prop . VIII . ) The distances of the extremities of the 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 ...
Seite 14
... Primitive Circle ; its plane is called the plane of projection . Cor . 1. The projecting point being in the direction of a diameter of the sphere perpendicular to the plane of pro- jection , either extremity of the diameter is one of ...
... Primitive Circle ; its plane is called the plane of projection . Cor . 1. The projecting point being in the direction of a diameter of the sphere perpendicular to the plane of pro- jection , either extremity of the diameter is one of ...
Seite 20
... P ' were , respectively , a pole of the primitive and of any other great circle of the sphere , the arcs intercepted on the pri- mitive and on that great circle by the circles APA 20 СНАР . ІІ . PROJECTIONS OF THE SPHERE .
... P ' were , respectively , a pole of the primitive and of any other great circle of the sphere , the arcs intercepted on the pri- mitive and on that great circle by the circles APA 20 СНАР . ІІ . PROJECTIONS OF THE SPHERE .
Seite 21
... primitive and of the given circle . Scholium . If the primitive circle be supposed to revolve about AB till it lie in the plane of the paper , it will coincide with the circle APBS , and the projected circle with ambn . The projecting ...
... primitive and of the given circle . Scholium . If the primitive circle be supposed to revolve about AB till it lie in the plane of the paper , it will coincide with the circle APBS , and the projected circle with ambn . The projecting ...
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Practical Astronomy and Geodesy: Including the Projections of the ..., Band 5 John Narrien Keine Leseprobe verfügbar - 2016 |
Häufige Begriffe und Wortgruppen
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
Beliebte Passagen
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