EXAMPLE. Given the corrected altitude of the sun, 31° 16′ 33.4", at a place, long. 5 h. 1 m. 15 sec. W., lat. 40° 1′ 12′′ N., on the 25th of June, 1842, at 7 h. 28 m. 50 sec. A. M., mean time by the clock, to find the time, and the error of the clock. The sun's declination found for the time shown by the clock, is 23° 24′ 55′′.0 N.; which subtracted from 90°, · gives D 66° 35' 5". = |