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" PZ, it follows that the altitude of the elevated pole is equal to the latitude of the place of observation. The triangle ZPM then (however much it may vary in shape for different positions of the star M ) always contains the following five magnitudes... "
Plane and Spherical Trigonometry - Page 186
by George Albert Wentworth - 1902 - 232 pages
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Astronomy

sir John Frederick W. Herschel (1st bart.) - 1833 - 500 pages
...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...
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Outlines of Astronomy

John Frederick William Herschel - Astronomy - 1849 - 672 pages
...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...
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Outline of the Method of Conducting a Trigonometrical Survey, for the ...

Edward Charles Frome - Military topography - 1850 - 292 pages
...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,...
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Outlines of Astronomy

John Frederick William Herschel - Astronomy - 1861 - 586 pages
...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...
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The True Figure and Dimensions of the Earth ... in a Letter Addressed to ...

Johannes von Gumpach - Earth (Planet) - 1862 - 290 pages
...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...
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DIRECTORY WITH REGULATION. 1869.

COUNCIL ON EDUCATION, SOUTH KENSINGTON - 1869 - 986 pages
...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...
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Aide-mémoire for the use of officers of Royal engineers

Anthony Charles Cooke - 1879 - 438 pages
...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...
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A Naval Encyclopædia: Comprising a Dictionary of Nautical Words and Phrases ...

Naval art and science - 1880 - 1054 pages
...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...
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Plane and Spherical Trigonometry: G. A. Wentworth ...

George Albert Wentworth - Trigonometry - 1884 - 330 pages
...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 pole is equal to the...vary in shape for different positions of the star M ), always contains the following five magnitudes : PZ— co-latitude of observer = 90°— I, ZM—...
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Five-place Logarithmic and Trigonometric Tables

George Albert Wentworth - 1887 - 346 pages
...angle POZ is the complement of ZOB. The arc NP being the complement of PZ, it follows that the alIitude of the elevated pole is equal to the latitude of the...vary in shape for different positions of the star M), always contains the following five magnitudes : PZ= co-latitude of observer = 90°— I, ZM= zenith...
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