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
... distance between the two arcs and the difference of their lengths CHAP . IV . - DESCRIPTION OF THE INSTRUMENTS EMPLOYED IN PRACTICAL ASTRONOMY . THE SIDEREAL CLOCK . -MICROMETER . — 58 TRANSIT INSTRUMENT . AZIMUTH AND ALTITUDE CIRCLE .
... distance between the two arcs and the difference of their lengths CHAP . IV . - DESCRIPTION OF THE INSTRUMENTS EMPLOYED IN PRACTICAL ASTRONOMY . THE SIDEREAL CLOCK . -MICROMETER . — 58 TRANSIT INSTRUMENT . AZIMUTH AND ALTITUDE CIRCLE .
Page xii
... distance of any wire from the mean wire , when the transit of a star near the pole is used 72 93. Correction to be ... zenith sector 108. Improved zenith sector by the Astronomer Royal 109. Manner of making the observations 110 ...
... distance of any wire from the mean wire , when the transit of a star near the pole is used 72 93. Correction to be ... zenith sector 108. Improved zenith sector by the Astronomer Royal 109. Manner of making the observations 110 ...
Page xiii
... distances 120. Manner of deducing from thence the differences of declina- tion and ... zenith distances 96 97 128. Manner of observing horizontal and oblique ... distance , as- suming the earth to be a plane and the upper surface of the ...
... distances 120. Manner of deducing from thence the differences of declina- tion and ... zenith distances 96 97 128. Manner of observing horizontal and oblique ... distance , as- suming the earth to be a plane and the upper surface of the ...
Page xxiii
... zenith distances of the sun , the latter being near the meridian ; with an example 352. Formula for determining the ... distance of the sun on account of the change in the ship's place in the interval between the observations 356 ...
... zenith distances of the sun , the latter being near the meridian ; with an example 352. Formula for determining the ... distance of the sun on account of the change in the ship's place in the interval between the observations 356 ...
Page 10
... zenith of that station ; R will express its geographical longitude , and R S ... distance . A plane passing through any point , parallel to the ecliptic E L ... distance . A plane passing through any point , parallel to that of the ...
... zenith of that station ; R will express its geographical longitude , and R S ... distance . A plane passing through any point , parallel to the ecliptic E L ... distance . A plane passing through any point , parallel to that of the ...
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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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