THIRD ENCAMPMENT. ON FALL RIVER. 
Determination of latitude, December 8, 1843—altitudes of Polaris. 
453 
OBSERVATIONS. 
¥ 
| 
Double altitudes of Polaris. | 
} 
| 
| 
. Time of chronometer. 
é ‘ c. ae : 
87 49 10 1 47 44 a. m. ae 
87 47 30 49 49 i ie 
87 46 40 ; 50 52 ‘a 
87 45 30 { 51 51 
87 44 40 53 08 
a a) 54. 00 . 
87 43 00 55 03 , 
87 42 25 56 20 
om ee = 57-26 +. 
87 40 45 58 13 i 
Index error = + 1 min. 32 sec. 
. é 
RESULT OF ete ae | 
True altitude. Mean time. Latitude. 
~e 
Deg. min, «sec. 
43 52 OL 1 00 3 43 —. 
CAMP IN A PINE FOREST. 2 
Determination of latitude, December 8, 1843—altitudes of Polaris. 
OBSERVATIONS. hy 
} cubis 
Double altitudes of Polaris. Time of chronometer. =~ 
Deg. min. sec hh. sec. 
89 10 00 6 
ee . we 
oo 2 4 
a. % 
..- %.. © 
So 8 Ww 
Bh 
s9 13 48 : 
oe. 4. = 
99 14 20 
Index error = -_ Lk min, 32 see, 
RESULT oF CALCULATION. 
Deg. min. — see. a. A ate. 
“u 6 sos OR 
