667 ee pm] 
a 
Pa 
7 
= 
: 
aig 
ey 
| ‘ON THE LEFT BANK OF THE MissOURF RIVER 
. 
Determination of latitude, Oetyber 8, aerate i Polaris, | 
OBSERVATIONS. ig 5 i 
: 2 a - ; 
+ + ~ 
Double altitude of Polaris. Time of chronometer. 
: , b.. 
* 
3 min. tec. A. in. sre. 
+ Pg 48 9 * “ga . 
A 80 «49 ~—(t0 * 9 49 0 
ee 60-45 9 ea 6 
69 St 25 ; o Gt: 3 
Ms so 52 AO oe e 63-91 é 
. > so. 86 8 ” 9» 58 3 
“4 go 57 30 1 .00 36 
f0 «6740 4 10 02 34 : 
vo we US - 1 Ob SR 
OF Ww I 09 3 
to : muteigiiickenee 
¢ Index error. = —: ymin. 2hgec. 
RESULT OF CALCULATION. gr 
7 me ¥ 
True altitude, Mean time. ~ Latitude. 
¥ bal ‘ 
ee: = * 
Deg. mir sre. h. mia. see. “4 Deg. min, . sec. 
40° 2% 29 8 07 , 39 «36 © «| (02" . 
‘* : 
om 
* 
+ e 
7 
7 
