Show almo at from titue dipper the time can be at night by the position of tho dipper if the position of the pointers is taken at any given hour say 6 in tho evening in the mater time and as boon as it ia dark in the summer tho hour thereafter can be pretty accurately measured by the eye during the night frequent observations ions of positions will have to be badt at the given hour as owing to constant changing of the earths in space the position of tho pointers relation to our point of observation and the star also change yankee blade |