228 



<c 



APPENDIX. 



" Suppofe the latitude by account was 68" 17', a degree 

 greater than before. 



5- 



« Suppofed Latitude 68° 17' Cof. Co. Ar. 0,43178 Rifing 1 6' 45" - - i,42^^3 



•Declination 23 28 0,03749 SuppofedMer. Alt. 45. 11. Cof.Co.Ar.o.ijigi 



" Log. Ratio 0,46927 



*' The change in the Sun's Ahitude is 0° 4' 25" 

 " Obferved Ahitude 46 6 



7.57834 

 0,46927 



Sine 7,10907 



" Meridian Ahitude 46 10 25 

 " Declination 23 28 



" Ahitude of the Equator 22 42 25 



"Latitude 67 17 35 which only diftcrs thirty-five feconJs 

 " ftom the true latitude we found before. 



<i 



EXAMPLE 



II. 



" June the twentieth, the altitude of the Sun's center 

 " was obferved o^ 28' 38" after midnight, to be 1° 13', the 

 *' latitude by account being 67° 40' N. 



«' SuRpofed Latitude 67° 40' Cof. Ca Ar. 0,42022 Rifing 28' 38" - 2,89380 



"Declination 23 28 ■ 0,03749 SuppofedMer.Alt. i°£'CQf.Co.Ar.o,oooor 



" Log. Ratio 0,45771 



Change in the Ahitude — 0° 9' 

 " Obfer»ed Ahitude i 13 



7,89381 

 0,45771 



Sine 7,43610 



•• Meridian Altitude i 4 

 '' Co-Declination 66 32 



»* Latitutle 67 36 N 



" There 



