ee en MS ore i Es 4 oe MES. es tg ca Se ia 
o + 415 :. (ie 
___ ENCAMPMENT, ON. ROCK CREEK. OF ‘SNAKE RIVER, - 
Determination a. latitude, Seplantee 29, 1843—altitudes of Flare c 
celia maibeun 
é 
Doublevaltitudes.of Polaris. ~ . Time of chronometer. 
. ‘= % “ti 
Deg,...min,. sec. @ h." min. see. 
86: 05 40 9 09 
86 07 10 2 EERE 
6. 08 00 TS! 25 > 
86, 08 . 50 13%) 22 
86. 10 | 40 14. 42 
g 86 10 40 16 «44 * 
86 11 25 16 50 
1 50 18 48 
1 50 19, 62 
86 15 10 21 31 
oo. Index error = ++ 1 min. 45 sec. 
** ite “@ . —* 
ee RESULT OF CALCULATION. . ae 
4 
True altitude. “Mean time. Latitude. 
J > ae < ee 
Deg. min. see. h. min. see. ei min. sec. 4 
43 05 06. Wee ee ee 26: 2i 
i 
" OBSERVATIONS. 
Double altitudes of #Andromede. 
i . a 
_. ¥ 
Deg. ‘min... sec. dees: kh. min. 4 
100° 16° 10 oO 26 33. - 
100: 45 40 26 «63° ‘ 
101 vs Wf # 60 3 @ 31° 9% * 
a = . 
Index error = + Vinin. 45 sec. 
