S20 



Ex. Doc. No. 41. 



\ 



APPENDi:^ No. 5— Continued. 



\ 



July 3O3 1846,— Ca?np 30^ 7iear ^^67x^3 Fort. 



Time, p. ra. 



t 



DETEHMINATION OF LATITUDE. 



^ 



Double altitudes of Polaris 



Latitutle. 



h. m. s. 



4 01 31.0 



4 03 07.8 



4 04 23.0 



4 05 17.1 



4 06 17.0 



4 07 15.2 



4 08 08.0 



4 09 04.5 



4 10 12.2 



4 11 18.5 



4 12 20.0 



4 13 26.0 



4 14 11.2 



De^. min. sec 



74 38 55 



74 39 55 



74 41 15 



74 41 50 



74 42 30 



74 43 00 



* t 



74 43 50 



74 44 20 



74 45 20 



74 45 50 



74 46 55 



74 47 40 



74 48 30 



Deg. 



min. 



38 



02 



38 



03 



38 



03 



sec 

 47 

 03 

 06 



38 02 54 

 38 02 52 

 38 02 46 



02 52 

 02 50 

 38 02 55 

 38 02 45 

 38 03 06 

 38 02 54 

 38 03 04 



38 

 38 



_^ 



Thermometer 74°, 





/ 



fVi 



Mean of 16 observations, 38° 02' 55". 



w/ 



