 For (Fig. 46) the angle ZOB between the zenith of the observer and the celestial equator is obviously equal to his latitude, and the angle POZ is the complement of ZOB. The arc NP being the complement of PZ, it follows that the altitude of the elevated...  Plane and Spherical Trigonometry - Pàgina 134per George Albert Wentworth - 1892 - 345 pàginesVisualització completa - Sobre aquest llibre
 | sir John Frederick W. Herschel (1st bart.) - 1833 - 500 pàgines
...from these definitions, and are propositions which the reader will readily bear in mind : — (95.) The altitude of the elevated pole is equal to the latitude of the spectator's geographical station. For, comparing the figures of arts. 93. and 9*., it appears that... | |
 | Thomas Lynn - 1843 - 230 pàgines
...altitude of the equinoctial above the horizon, is always equal to the complement of the latitude, and that the altitude of the elevated pole, is equal to the latitude itself : due regard to these circumstances, will readily point out the most convenient elevation for... | |
 | John Frederick William Herschel - 1849 - 672 pàgines
...immediate consequences of the above definitions, the following propositions will be borne in mind. (119.) The altitude of the elevated pole is equal to the latitude of the spectator's geographical station. For it appears, see fig. art. 112, that the angle PAZ between the... | |
 | Edward Charles Frome - 1850 - 292 pàgines
...represented by AB a, and below it throughout all that represented by A Da." From these figures it is evident that the altitude of the elevated pole is equal to the latitude of the spectator's geographical station, for the angle PAZ in the first, which is the co-altitude of the pole,... | |
 | John Frederick William Herschel - 1861 - 588 pàgines
...imuiedi^e consequences of the above definitions, the following propositions will be borne in mind. (119.) The altitude of the elevated -pole is equal to the latitude of tht spectator's geographical station, • For it appears, see Jig. art. 112, that the angle PAZ between... | |
 | Johannes von Gumpach - 1862 - 290 pàgines
...ascertaining that important element." And the art. 119, to which Sir John Herschel refers, reads thus : *— " The altitude of the elevated pole is equal to the latitude of the spectator's geographical station. For it appears, Fig. 23, that the angle PAZ between the pole and... | |
 | COUNCIL ON EDUCATION, SOUTH KENSINGTON - 1869 - 986 pàgines
...amplitude of a heavenly T - Parallels of altitude. Six o'clock hour circle. Prime- vertical. . . tti *°°f that the altitude of the elevated pole is equal to the latitude of L e observer. Illustration by diagrams; projections on the meridian and n *une. Apparent noon, apparent... | |
 | Anthony Charles Cooke - 1879 - 438 pàgines
...corrected gives T alt. _&_. 10. The true alt. -^- subtracted from 90° gives the zenith distance ZS. 11. As the altitude of the elevated pole is equal to the latitude of the place, 90° minus. Latitude = zenith distance of the pole, viz., PZ. 32. The declination of the sun being... | |
 | 1880 - 1054 pàgines
...appearance of a star after occultation. CIRCLE OP PERPETUAL AppAnmoir. A circle whose distance from the elevated pole is equal to the latitude of the place of observation. Within this circle the stars never set. Appearance. The first making of a land-fall; formerly astronomically... | |
 | George Albert Wentworth - 1884 - 330 pàgines
...altitude, ZM its zenith distance, Z.PZM its azimuth, MR its declination, PM its polar distance, /.ZPM its hour angle. § 65. THE ASTRONOMICAL TRIANGLE....magnitudes : PZ— co-latitude of observer = 90°— I, ZM— zenith distance of star = z, PZM= azimuth of star = a, A very simple relation exists between... | |
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