PLATE I. 



A. M. 7 8 9 10 ii 12 i 2 3 4 5 6 7 P. M. 

 For Clear Day. 



A. M. 7 8 9 10 ii 12 i 2 3 4 5 6 7 P. M. 

 For Cloudy Day. 



DAILY CORRECTIONS CURVES. 



