Show SIMPLE measurements llo a anil il X 1 of a given llo aunt nt A arc ro A eert no I 1 in a gonera I 1 way tire tho lati latitude tudo of a place may bosait bo said to bo be tile tho height eight ot of tile pole star in angular above tho the north horizon tile tho polo pole star however liot tOUr Is not in tire tho actual polo or of tire tho heavens but is about a degree avid anil tt a halt tit away it therefore revolves lioa in tire tho like tire tho other stars but in it a very ery narrow circle whon when a fair allowance allowan 0 la is made for this fact fac tand and also for refraction aberration etc otc tile tho latitude of any point north of tire tho equator can bo be ascertained another way of finding fl nd lis it ll 11 by observing the distance in degrees and fractional fraction nl parts thereof of a start front from tho the zenith when on oil tire tho when this stars from either cither tile polo or tho the celestial equator Is known know Is determined by finding tho difference in time between tho the place for which longitude longi tudo la is aestrea doil red antl and tho front from which la Is reckoned it li is counted by tire tho ln ush speaking nations from Oreen greenwich blur lii A giving greenwich time la is otter often employed on shipboard ship board for this purpose this time is compa compared with tile docil ahrie which may bo be found by observations of 0 tho the sun still every licurs liours difference o lit in time moans earvis fifteen decrees difference in longitude it if local time iro bo earlier than greenwich time then I 1 tile lie li boat ost of greenwich while if tho time bo be later it is cast of green lali 1 alio I llio lie telegraph micro it can be tire tho most ac curato of all methods for milling finding longitude st louis globo |