286 



Ex. Doc. No. 41. 



APPENDIX No. 5— Continuea. 



Septemher 30^ 1846.— Cam^) 62. 



DETERMINATION OF LATITUDE.' 



\ 



1 



rime, 



* 



p. m. 



Double altitudes of Polaris. 



I 



1 



Latitude. 



1 



A. 



W. 



4 



5, 



Deg. 



Tnin. sec. 



Deg. 



min. 



sec. 



4 



.35 



38.0 



71 



29 50 



34 



48 



28 



4 



42 



11.0 



71 



34 00 



34 



48 



34 



4 



43 



09.0 



71 



34 40 



34 



48 



36 



4 



44 



10.0 



71 



35 '20 



34 



48 



37 



4 



44 



46,0 



71 



35 40 



34 



48 



34 



4 



45 



18.5 



71 



36 05 



34 



48 



36 



- 4 



46 



16.8 



71 



36 35 



34 



48 



34 



4 



r 



47 



21.5 ' 



71 



36 55 



34 



48 



24 



1 





J 



Thermometer 48^- 





4 





« 





Mean ( 



)f 8 observations, 34*^ 



48' 33 '. 





ri 



