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
... pole , at equal distances , the intercepted arcs are equal 31. ( Prop . VI . ) The projected poles of any circle of the sphere , and the centre of the projection of the same circle , are in the representation of a great circle passing ...
... pole , at equal distances , the intercepted arcs are equal 31. ( Prop . VI . ) The projected poles of any circle of the sphere , and the centre of the projection of the same circle , are in the representation of a great circle passing ...
Page xi
... 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 instrument when a micrometer microscope is ...
... 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 instrument when a micrometer microscope is ...
Page xii
... pole is used 93. Correction to be applied in finding the time of transit at the mean wire , when a planet is observed · 94. Method of placing a transit telescope very near the plane of the meridian - 95. Investigation of a formula for ...
... pole is used 93. Correction to be applied in finding the time of transit at the mean wire , when a planet is observed · 94. Method of placing a transit telescope very near the plane of the meridian - 95. Investigation of a formula for ...
Page xiv
... pole 117 158. Formula for the geocentric parallax in altitude at any station 118 159. The relative parallax of the moon or a planet 160. Method of finding the horizontal parallax of the moon or a planet by observation . The tangents of ...
... pole 117 158. Formula for the geocentric parallax in altitude at any station 118 159. The relative parallax of the moon or a planet 160. Method of finding the horizontal parallax of the moon or a planet by observation . The tangents of ...
Page xviii
... pole · 241. Investigation of a formula for the lunar equation of preces- sion , and of obliquity - 242. Formula for the equation of the equinoctial points in right ascension 243. Formula for the lunar nutation in polar distance 244 ...
... pole · 241. Investigation of a formula for the lunar equation of preces- sion , and of obliquity - 242. Formula for the equation of the equinoctial points in right ascension 243. Formula for the lunar nutation in polar distance 244 ...
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Common terms and phrases
aberration altitude angular distance apparent ascension and declination astronomical axis azimuth bisected celestial body celestial sphere centre circumference co-ordinates colatitude computed considered correction cotan degrees described determined diameter difference earth ecliptic ellipse equal equator equatorial equinoctial point expressed fixed star formula geocentric given Greenwich horary horizontal parallax hour angle inclination instant instrument intersection interval latitude latter let fall longitude mean meridian micrometer moon moon's motion Nautical Almanac node nutation obliquity observed obtained parallax parallel perihelion perpendicular plane passing polar distance pole position primitive circle radius vector refraction represented revolution revolve right angles right ascension satellite sector semidiameter side sidereal sin.² sine sphere spherical triangle star's station substituting subtended subtracted sun's supposed surface tangent telescope transit transit telescope Trigon trigonometry vertical whence wire zenith distance zero