Peck, William G. (William Guy), 1820-1892 · New York, Chicago, A. S. Barnes & company · leaf 108
the complement of PEZ ; and consequently HEP isequal to QEZ. Hence, the latitude of a place is equal eitherto the declination of its zenith, or to the altitude of the ele-vated pole, that is, of the pole which is above the horizon.The methods of finding the latitude of a place are simplymethods of… … Fig. 45.Latitude. Method of finding pole; EQ the projection of the equinoctial on the meridian;and let s and s be the points of upper and lower culminationof a star which is near the pole. The altitudes B.s and HV aremeasured with some suitable in-strument, and both are correctedfor refraction.…
Astronomy
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