g( 



ON THE OBLIQUITY 



IL 



Containing Observations of the Sun's Altitude, when near tlic Solstices, 



Ten observations of the Sim,, in- June, 1S1(X 



Article I. 



Day 



of 











C 



CL> 



. 





' S ©'* 





— ' 



thi 







Obs'd Altitude. 





b 



o 



o 



H 



Semidia- 





Latitude. 



Month. 



o 









s 



o 

 a 



23 



S 



CO 



u 



03 



Oh 



meter. 



Declination. 



1 







June 



13 E. 



N\ 



79 37 



6?70 



INCHES. 



29.560 



92°. 



"8.40 



1.51 



. - + .. 

 15 46.3 



23°Tl 25''50 



13° 



4 



5.61 





15 E. 





79 30 



32.11 



29.472 



91.8 



8.48 



1.53 



15 46.2 



23 17 55.43 



L3 



4 



6.89 

 6.86 





17|E. 





79 25 



41.25 



29.472 



91.0 8.55 



1.54 



15 46.1 



23 22 46.52 



13 



4 





■22 B. 





79 20 



44v09 



29.546 88.0 8.70 



1.55 



15 4,5. 9: 



23 27 42.28 



13- 



4* 



5.12 





26 



E. 





79 24 



15.99 



29.504 



91.0 



8.58 



1.54 



15 45.6 



23 24 12.37 



13 



4 



6.92 





28 



E. 





79 28 



27.81 



29.482 



82,9 



, 8.67 



1.54 



L5 45.6 23 19 59.22 



13 



4 



5.50 







Mean, 



13 



4 



6.15 









JuU3 



L4|W. 



N. 



79 33 



37; 26 



29-520 



92. 4| 8.4 J 



1.52 |l5 46.3 



23 14 52.25 i 



13 



4 



8.89 





25} W. 





79 22 



46.46 



29.528 



88. SJ 8.66 



1.55 15 45.7 



23 25 41.71 



13 



4 



6.76 





27 W. 





79 26 



12.36 



'-29.526l91.0l 8.56 



1.54 



15 45.6 



23 22 17.95 



13 



4' 



8.89 J 





29|\y. 





79 31 



8.9.8 



29.465[37.'5|-8'.54' 



1.54 



15' 45,6 



23 17 15.88 



13 



4' 



3.46 j 







13- 



4 



7.00 



Error 



of- coll 



.fnation, 



42; 



Mean," 



13 



4 



6.15 



13 



4 



6.575 



Ten obs 



ervatiom 



> of the Sun, in Dece 



rtifbef, 1810, and January, 



181 1"; 











Article 



II. 







Dec. 



13 E. 



Sv 



54 4 



42.16 



29.672 



81.5 



3:4.150 



i.86 



16- 16.9 



23' 7 58.22 



13 



4 



6.11 





21 IE. 





53 45 



23.22. 



29.71 1 



83. 1 



3 1.480 



4.90 



16 17.5 



23 27 22.82 



13 



4 



4.79 





26,E. 





53 48 



29.44 



29.654 8.0.2 



34.490 



4.S9 



16 17.7 



23 24 12.97 



13 



4 



4.89 



1811; 



28 



E. 





53 20 



44.50 



29.670 



78.0 



35.181) 



5.01 



+ 



16 17.75 



23 19 39.47 



13 



4 



8.45 



Jan. 



3 



E. 





53 45 



12.25 



29.668 



81.8 



34.280 



4.90 



16 17.77 



22 54 46.71 



13- 



4 



7.63 





6 



E. 



1 



54 36 



36.00 



29.814 



78.0 



33.93u 



4.74 



16 17.72 



22 3S 8.72 



13 



4 



2.19 









13 



4 



5.676 





— -w_ 











* 













