ON THE OBLIQUITY 



:v. 



Containing the Ohserped -Altitude? of the Sufi, aP various places between 

 the Tropics* in tfye Year 1809-10, 



■ ' 



Day of" 





the 



«3 • 



Month. 



fa 



Obs'd Altitude. 



1809 



Dec. 20 

 30 

 1 810 



March 31 

 ■April 6 



May 



1809 

 Dec. 



1810 

 April 



10 



10 

 17 



22 



E. 

 E. 



E. 

 E. 

 E. 

 E. 



E. 

 E. 

 E. 

 E. 

 E. 



23 

 3.1 



5 

 11 

 13 

 15 

 17 



May 3 



5 



7 



9 



21 



W. 



w, 



w. 



w. 



w. 



WJ 



w~. 



w. 

 w. 

 w. 

 w. 

 w. 





' -d 







' 



1 u 1 . 



o 



a ■ 





O's 



w 



- e 



1 





V 



CD 



id 



o 



_o 



13 



Semidra- 



1 



a 





meter. 



b 





tH 



(-, 





<tf 



rS 



D 



«j 





CQ 



H 



P3 



Ph . 



. 



O's 

 Declination. 



N. 



Latitude. 



o 



53 



is' 



14.88 - 



.53 



27 



44.94 



80 



35 



30.70 



82 



53- 



33.50 



83 



38 



48.70 



84 



23 



25.50 



87 



1 



0.92 



85 



53 



4.64 



85 



20 



46.28 



83 



36 



54.30 



82 



32 



24.96 



53 13 14.88; 

 ■5.3:3.1. 48.03 



82 30 4.3.60 

 ; 84'45 4-3.90. 



85 29 40.90 



86 12 55.58 



86 55 42.95 



87 18 48.28 

 86 43 40.10 

 86 9 33.71 

 85 36 44.3 

 82 44 44/46 



2S 5 . 686)80.0 



29.74479.8 



29.716 86.2 



29.710 

 29.728 

 29.654 



29.690 

 49.586 

 29.628 

 29.584 

 29.502 



87.9 

 86.5 



87.0 



r i 



89.0 

 88.0 

 89.2 

 85.6 

 85.3 



35.30 



„ + 

 5.12 



16 



+ „ 

 17.4 



35.13 



5.09 



16 



17.7 



; 

 7.74 ; 



1.14 



16 



1.2 



5.801 



1.06 



15 



59.-9 



5.200 



0.95 



15 



59.4 



4.570 



0,84 



15 



58.8 



2.416 



0.45 



15 



52.7 



3.325 



0.61 



15 



51.8 



3.762 



0.69 



15 



51.3 



5.211 



0.94 



15 



50.0 { 



6.085 



1.10 



15 



49,0 



23 26 50.60 



23 12 19.52 



3 55 34.63 



6 13 36.76- 



6 58 50.28 



7 43 30.25 



15 

 16 

 17 

 19 

 20 



47 

 55 

 27 

 11 

 15 



13 

 13 



13 

 13 

 13 



13 



12.666113 4 



13.067 

 37.467 

 24.696 

 55.176 



13 

 13 

 13 

 13 



r 



29.780 



80.0 



35.50 



5.12 



16 17.60 



29.780 



80.9 



35.26 



5.11 



16 17.70 



29.648 



87^5 



6.094 



1.11 



16 0.20 



29.694 



87.4 



4-.271 



0.78 



15 58.60 



29.648 



86.5 



3.670 



0.67 



15 58.00 



29.708 



8¥.7 



3.085 



0.57 



15 57.50 



29.672 



86.5 



2.501 

 2.179 



0.43 

 0.41 



15 57.0 

 15 53.00 



29.678 



88.0 



29.638 



80.9 



2.661 



! 0.49 



15 42.50 



29.59S 



■88.0 



3. 166 



1 0.58 



15 52^00 



'29.620 



88.9 



3.551 



0.65 



15 51.6 



29.533 



83.0 



5.940 



1.70 



15 49.3 J? 



23 27 

 23 8 



50 

 5 

 49 

 32 

 15 



26.64 

 17.37 

 i- 



50.56 

 45.19 

 40.98 

 57.30 

 48.60 



y 29 31.2591^3 



16 4 37.065|fl3 



i6 ; 3& f '39V267]i3- 



17 11 34.557113 

 20 3 41.318 13 



10.770 

 7.494 

 2.391 

 7.556 



10.658 



Mean by face W. 13 4 7.858 



7.30 

 7.88 



9.030 

 8.101 

 6.430 



9.680 



4.320 

 6.792 

 11.975 

 4.725 

 4.151 i 



Mean by face E. 13 4 7.307 

 Mean by face W. 13 4 7.858 



Mean latitude, 13 4 7.582 ' 



