Ex. Doc. No. 41. 



'A 



2 a 



APPENDIX No. 5— Continued. 



August 10, iSiQ.— Camp 38. 



DETEllMINATION OF LATITUDE. 



\ 





Time J 



. ■ —■ ^'" ■ "-r- -^ — — ■ #— *- ■■ ■ 



Double altitudes of Polaris. 



w 



1 



Latitu 



Jo. 



■m 



-1- 







- 









•9 



h. 



m. 



^s. 



Deg. 



TTiin. sec. 



Deg. 



, min 



. sec. 



3 



29 



03.5 



71 



33 25 



36 



21 



43 



3 



29 



58.0 



71 



34 00 



36 



21 



44 



3 



31 



09.0 



71 



35 10 



36 



21 



52 



3 



32 



20.0 



71 



35 50 



• 36 



27 



47 



3 



33 



25.0 



71 



36 50 



36 



27 



64 



3 



34 



36.5 



71 



37 30 



36 



27 



50 



3 



35 



27.2 



71 



38 20 



36 



27 



59 



3 



36 



14.5 



71 



38 50 



36 



27 



55 



3 



37 



03.8 



71 



39 10 . 



36 



27 



^7 



3 



37 



45.4 



71 



39 55 t 



36 



27 



52 



3 



38 



44.0 



71 



40 30 



36 



27 



51 



• 



^ 





Thermometerj 58^.^ 



- 





^ 







Mpftn o 



f 1 1 nl>sp 



irvations, 36^ 



27' 50". 



\ 



\^^^Hh 



16 



' . 



• 



» 



