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 xi
... 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 used 81. Description ...
... 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 used 81. Description ...
Page xii
... positions , and that the wire at right angles to them is horizontal - - - 70 · 71 90. Use of two , or a greater number ... position of the circle with respect to the meridian - · 99. Process for finding the polar point on the circle 100 ...
... positions , and that the wire at right angles to them is horizontal - - - 70 · 71 90. Use of two , or a greater number ... position of the circle with respect to the meridian - · 99. Process for finding the polar point on the circle 100 ...
Page xiii
... position , and small angular distances 120. Manner of deducing from thence the differences of declina- tion and right ascension between two stars , and between the moon and a star 121. Bessel's heliometer - 122. Explanation of the terms ...
... position , and small angular distances 120. Manner of deducing from thence the differences of declina- tion and right ascension between two stars , and between the moon and a star 121. Bessel's heliometer - 122. Explanation of the terms ...
Page xv
... positions - 140 140 - 142 185. Investigation , from the co - ordinates of three points in a given plane , of the inclination of that plane to one of the co- ordinate planes - 186. Investigation , from the same data , of the position of ...
... positions - 140 140 - 142 185. Investigation , from the co - ordinates of three points in a given plane , of the inclination of that plane to one of the co- ordinate planes - 186. Investigation , from the same data , of the position of ...
Page xx
... position : times when it becomes invisible - . 210 - . 211 - 211 - 212 280. Manner of finding the inclination of the ring 281. Manner of finding the positions of its line of nodes 282. Römer's hypothesis concerning the progressive ...
... position : times when it becomes invisible - . 210 - . 211 - 211 - 212 280. Manner of finding the inclination of the ring 281. Manner of finding the positions of its line of nodes 282. Römer's hypothesis concerning the progressive ...
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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