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" ... circumpolar, or so near to the elevated pole as to perform its apparent daily revolution about it without passing below the horizon, then the latitude of the place will be equal to the sum of the true altitude, and the codeclination or polar distance... "
Elements of Trigonometry, Plane and Spherical: With the Principles of ... - Page 237
by John Wright (Mathematician) - 1772 - 251 pages
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An Introduction to the True Astronomy: Or, Astronomical Lectures, Read in ...

John Keill - Astronomy - 1739 - 504 pages
...or P i, deducted from the greateft Altitude SO, or added to the leaft s O, will give PO the Altitude of the Pole above the Horizon, which is equal to the Latitude of the Place. If the Declination of the Sun be known, we may find out the Latitude of the Place in this Manner :...
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Elements of Plane and Spherical Trigonometry: With Its Applications to the ...

John Radford Young - Astronomy - 1833 - 308 pages
...altitude, and the codeclination or polar distance of the object; for this sum will obviously measure the elevation of the pole above the horizon, which is equal to the latitude. (79.) To determine the latitude at sea, by means of two altitudes of the sun, and the time between...
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Elements of Trigonometry, Plane and Spherical: Adapted to the Present State ...

Charles William Hackley - Trigonometry - 1838 - 328 pages
...altitude, and the codeclination or polar distance of the object ; for this sum will obviously measure the elevation of the pole above the horizon, which is equal to the latitude. 112. To determine the latitude at sea, by means of two altitudes of the sun, and the time between the...
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Are not the clergy arraying themselves against Church and queen? By M.A.

M. A - 1848 - 878 pages
...a place determined? The latitude of a place is determined by observing the altitude of the elevated pole above the horizon, which is equal to the latitude of the place. In the case of our being unable to see the pole star, by observations of the meridian altitudes of...
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A Treatise on Trigonometry, Plane and Spherical: With Its Application to ...

Charles William Hackley - Trigonometry - 1851 - 540 pages
...altitude, and the codeclination or polar distance of the object ; for this sum will obviously measure the elevation of the pole above the horizon, which is equal to the latitude.f 112. To determine the latitude at sea, by means of two altitudes of the sun, and the time...
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Leveling ; Circular Curves ; Stadia and Plane-table Surveying ; Topographic ...

Astronomy - 1907 - 710 pages
...called the circle of perpetual occultatlon. Since the angle PON, measured by the arc NP, is equal to the elevation of the pole above the horizon, which is equal to the latitude of the observer, it follows that the polar distance of any point in the circle of perpetual apparition, or...
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Sundials: Their Construction and Use

Robert Newton Mayall, Margaret Walton Mayall - Technology & Engineering - 2000 - 330 pages
...line. The HEIGHT OF THE STYLE. In this case it is the angular distance of the style above the plane of the horizon, which is equal to the latitude of the place. The hour lines are easily constructed. The method is the same as that for the equatorial dial shown on...
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