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
... half the arcs which measure the least and greatest distances of the circle from that pole of the primitive which is opposite the projecting point Cor . 1. The projection of a circle parallel to the primitive Cor 2. The projection of a ...
... half the arcs which measure the least and greatest distances of the circle from that pole of the primitive which is opposite the projecting point Cor . 1. The projection of a circle parallel to the primitive Cor 2. The projection of a ...
Page 2
... half the circumference of a circle above it . If the spectator were to transfer himself to the southern regions of the earth he would see phenomena similar to those above mentioned exhibited by the stars which are situated in that part ...
... half the circumference of a circle above it . If the spectator were to transfer himself to the southern regions of the earth he would see phenomena similar to those above mentioned exhibited by the stars which are situated in that part ...
Page 22
... half the arcs which measure the least and greatest distances of the circle of the sphere from that pole of the primitive which is opposite the projecting point . Let the plane of the paper be perpendicular to that of the ...
... half the arcs which measure the least and greatest distances of the circle of the sphere from that pole of the primitive which is opposite the projecting point . Let the plane of the paper be perpendicular to that of the ...
Page 23
... half ( Euc . , 20. 3. ) , and sм measures the angle SCM of which CPm is equal to the half : But cn and cm , are respectively the tangents of CPn and CPm ; the radius of the primitive circle being supposed to be unity . There- fore , & c ...
... half ( Euc . , 20. 3. ) , and sм measures the angle SCM of which CPm is equal to the half : But cn and cm , are respectively the tangents of CPn and CPm ; the radius of the primitive circle being supposed to be unity . There- fore , & c ...
Page 24
... half the inclination of the plane of the circle to the primitive . M P R Let the plane of the paper be perpendicular to the plane of projection and to the circle of the sphere ; and let A B and MN be diameters of the primitive and of ...
... half the inclination of the plane of the circle to the primitive . M P R Let the plane of the paper be perpendicular to the plane of projection and to the circle of the sphere ; and let A B and MN be diameters of the primitive and of ...
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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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