Ex. Doc. No. 41 



•305 



• 



APPENDIX No. 5— Continued 



Time, p. m. 



5 10 51.3 



o 



11 



42.0 



5 12 29.9, 



5 13 20.8 



5 14 03,0 



5 15 06.8 



5 ,16 16.0 



October 19, 1846.— Camp 77. 



B b 



DETERMINATION OF TIME. 



Double altitudes of a 'Ljrsd, 



in the west." 





Deg 



min. sec. 



82 39 10 



81 50 00 



81 32 10 



81 13 10 



SO 56 40 



80 32 40 



80 05 55 



* , * 



Cihronometer fast. . 



??^. 



s. 



h. 



8 28 01.6 



8 28 02.0 



8 28 03.0 



8 28 04 . 1 



8 28 02.9 



8 28 03.7 



8 28 02.6 



Thermometer 50°. 

 Mean of 7 observations, 8^. 2Sm. 02.84^. 



I 



TliDe, p. ra. 



I 





DETERMINATION OF LATITUDE 



Double altitudes of Polaris 



Latitude 



A. m. s. 



5 20 51.8 



5 21 48.0 



.5 22 49.5 



5 23 34.2 



5 24 12.0 



5 25 43.8 



5 26 27.5 



5 27 15.0 



5 28 51.0 



Dev.-min. sec 



68 11 20 



68 12 . 20 



68 12 40 



68 13 30 



68 14 00 



68 14 40 



68 35 20 



68 15 30 



68 15 40 



Thermotneter 50°. 



I 



Mean of 9 observations, 32° 



Deg. 



rmn. sec 



'^2 



32 50 31 



32 50 46 



32 50 40 



50 55 



32 50 61 



32 50 59 



32 50 70 



32 50 66 



32 50 55 



^ 



f 



i 



20 



IPC 



