oe oes, _ 436 
N GOON HALT ON THE 
EFT BANK OF THE COLUMBIA. 
Dtermination of latitude, Oct. 28, 1843 —meridian altitudes of the sun. 
i ' OBSERVATIONS. 
i | 
* a 
Double altitudes of the sun’s lower lim Time of chronometer. ba 
Deg. Gn. S00. man. —8€e 
i 18. # 20 12 47 «@L 
Gl. -1Re™ 00 48m 00 
: 6 ae * 4 ._ = at 41 
61 te. 26 5 ) 
61 ig 20. 51 8 
é. a 52-09 
pe ; a % Index — == + 1 min 24 sec. 
= 2° ae * RESULT oF CALCULATION. sents 
= * — a" 
True altitude. pparent a of tranisit. Latitude. 
ma : 
ee 5a) - 
» , 
2 "ENCAMPMENT ON THE LEFT BANK OF om 4 
ee ‘ 
Pe 
Determination of latitude, October 30, 1843-—altitudes of Polaris. ee 
: OBSERVATIONS. ‘ 
Double altitudes of Polaris. Time of chronometer. a 
cee min. - s8€C. h. min. gee. 
= os = 00 9 .14 246 
a os 50 16. 09 3 
10 30 | 
al 20 % ‘ Ps 20 0 1 e 
p Pee . — ae oe 
12 30 - - o 
13 «15 ‘ .. ae 
13 40 ogee 
; ee 
