p74 J 626 
ENCAMPMENT ON THE SWEET WATER RIVER. 
“se , , &. i ; 
a. BoteeMtyation of longitude, 4ugust 7, 1842—allitude of Arcturus. 
OBSERVATIONS. # 
Double altitude of Arcturus. Time of chronometer. 
: 
- min. — sec. h min. sec. 
51° 46 »20 2 18 
50 42 30 12 20 56 
r 49°. x 30 12 23 aap4 
Index error = + 25 sec. 
RESULT OF CALCULATION. 
® Mean time Advance. : Longitude. 
h. . min. sec "he min. sec. Deg... min... sec. 
er Gl : 23 «39 109 61 29 
: Ee Pa 7 
oe Teenie! latitude, Fe. ay 1s4d—-altitude of Polaris 
Bee a. 5 OBSERVATIONS. Soe 
— Pods a4 P pair 
Double altitude of rade - - Time of chronometer. 
Deg. min. — see. : h. min. see. 
= 84 59 25 ise 
85 00 IG BB ud 
OF “90 e12 eB3 25 
- 30 AD’ B43 57 
85 038 205 12 736 {a2l 
8 05 00 se ay Fe, 
— se a ar ie ~S- = 
5 Thermometer 36°, 
% : 
RESULT OF CALCULATION. : 
Mean time. 
ll 25 
