[4744 ape 492, 
: Eeciabeitirr ON THE RIO DE LAS CALAV BRAS. 
Determination of latitude, March 26, 1844—altitudes of Polaris. 
OBSERV! ATI ONS. 
Double altitudes of Polaris. Time of chronometer. 
Deg. min. sec. h.. min. — sé 
75 14 35 7 2 33 
75 14 10 24 
ss mM 1% 16 26 «OT 
7 i 40 | 27° 30 
= if 00 29° (07 
a ee | E 30 32 
7 08 3220 
7% of 40 a3* a 
75 05 30 ae 
* 75 35 37 23 in 
: ? 
slag =: 
Index error = -+- 12 sec. 
RESULT OF CALCULATION. 
True altitude. Mean time. Latitude. 
Deg. min. sec. hk. min, sec. Deg... min.....see.. 
37. 3 OS : 562 | 38 02 48 
ee ee ee aes ON STANISLAUS RIVER. 
Determination of latitude, March 28, saints of Polaris. 
OBSERVATIONS. 
ris Double altitudes of Polaris. Time of chronometer. - 
Deg. min. sec h. min, — sec. 
74 07 090 7 55 32 
es ee! 56 = 52 
“4 « “3 ee 
74 06 0 boi 5 16 
= = = : &. 
ooggo- 8 20 01 37 
cs oo ww 03 «22 
as ec. OS 05 03 
. 73 59 50 * 06 22 
73 58 a0 Ss 08 38 
Index error == + 12 sec. ™ 
RESULT oF. CALCULATION. 
“Mean time. - 
