Show finding the ship at sea when the captain wishes to find the position of his ship lie he makes a n number of determinations of the altitude of the sun with ills his sextant bringing its reflection down domn until it grazes the alie horizon the suns place in the sky Is continually changing and every altitude means a corresponding local time ile ho notes tile difference between his time and the time of the port lie ile left or that of greenwich and he hits has his longi longitude by a slightly different manipulation of tile the same game figures he finds find 9 his latitude A skillful person carl can locate a ship within a quarter of a mile ot of its true position |