TO 



MEASUREMENT OF AN ARC 



mMi. 



So 



Nearest point on the Limb, ,4 45 North. 



o » 



Nearest point on the Limb, 8 20 North. 



1809 



«5 



Observed 



Corrections. 



Correct 



1 



Thermometers. 



Month, 



] 





Zenith distance. 



Zenith distance. 



Upper. 1 Lower. 

 i 



J 





° < „ 



- „ + : 



O . II 



o 



o 



April 12 



E. 



4 43 51.87 



1 24.53 



4 45 16-4 



84 



84 



13 



W. 



4 44 2. 



1 24.48 



4 45 26.48 



84 , 



S3 



14 



E. 



4 43 49.87 



1 24.42 



4 45 14-29 



83 



82 



16 



W. 



4 43 59-37 



1 24.31 



4 45 23.68 



85 



84 



17 



E. 



4 43 49.87 



1 24.25 



4 45 14.12 



84 



83 



J 18 



W. 



4 44 2. 



1 24.19 



4 45 26-19 ■ 



83 



82 



20 



E. 



4 43 49. 



1 24.07 



4 45 13-07 



83 



83 



24 



W. 



4 43 595 



1 2382 



4 45 23.32 



82 



83 



25 



El 



4 43 51.12 



1 23:77 



4 45 i4.&9 



82 



83 



26 



W. 



4 44 0.-5 



1 23.70 



4 45 24.2 



82 



83 



! 27 



E. 



4 43 48.87 



1 23.63 



4 45 12.5 



84 



84 j 



28 



W. 



4 44 0.37 



I 23,57 



4 45 23.94 



84 



85 ! 



29 



. E. , 



4 43 48.37 



1 23.52 



4 45 11.89 



83 



84 



30 



W. 



4 44 1.62 



1 23.45 



4 45 25.07 



85 



85 



May. 2 



E. 



4 43 48.87 



1 23.33 



4 45 12.2 



83 



83 ! 



3 



W. 



•4 44 2.87 



1 23.27 



4 45 26.14 



82 



82 i 



5 



E. 



i 4 43 49.12 



1 23.14 



4 45 12.26 



84 



84 ; 



!■ 6 



W. 



4 44 1.87 



1 23.08 



4 45 24.95 



83 



83 



7 



E. 



4 43 50 87 



1 23.02 



4 45 13.89 



83 



83 



II 8 



W. 



4 .44 2.87 



1 22.96 



4 45 25.83 



Mean 



82 



82 



83.25 



83.25 







^ \ 







-r- 







■ 



April 



17 



E. 



8 18 17.37 



1 



31.94 



8 19 49.31 



83 



82 





18 



W. 



8 18 28.87. 



1 



31.85 



8 20 0.72 



83 



82 





19 



E. 



8 18 20.74 



1 



31.76 



8 19 52.5 



83 



83 





20 



W. 



8 18 28.87 



1 



31.67 



8 20 0.54 i: ; 



83 



83 





23 



E. 



8 18 15.87- 



1 



31.40 



8 19 47.27 



82 



82 





24 



W. 



8 18 28.89 



1 



31.30 



8 20 0.19 



82 



83 





25 



E. 



8 18 15.37 



1 



31.22 

 31.12 



8 19 46.59 



82 



83 





'26 



W. 



8 18 31.87 



1 



8 20 2.99 



82 



83 





28 



E. 



8 18 17.37 



1 



30,94 



8 19 48.31 



84 



85 





29 



W. 



8 18 26.87 



1 



30.84 



8 19 57.71 



83 



83 





30 



E. 



8 18 17.39 



i 



30.75 



1 8 19 48.14 



85 



85 



May 



3 



' W. 



8 18 32. 



1 



30.48 



8 20 2.48 



82 



82 





4 



E. 



8 18 18.12 



1 



30.39 



8 19 48.51 



82 



•83 





5 



W. 



8 3 8 33.24 



1 



30,30 



8 20 3.51 



82 



83 



i 



6 



E. 



8 18 18.74 



1 



30.22 



8 19 48.96 



82 



82 



| 



7 



W. 



8 18 31.62 



1 



SOU 3 



8 20 1.75 



Meafo 



82 



83 - 



S2.62 



82.87 



