456 | 
ENCAMPMENT AT TLAMATH LAKE. 
Determination of latitude, Decem i Hoe 1843—meridian altitudes of the 
OBSERVATIONS, e 
. Double altitudes of the sun’s lower limb. Time of chronometer. 
F - 
Deg. min. — sec. he. -min. sec. 
> 4 & 7 ee ee 
* 47 25 15 33 09 
a we 5 34-30 
AT 28 40 36 52 
4a 29 38 00 
7 we 10% 29 
47 30 35% 4l 24. 
47 30 43 05 
47 31 15 43 57 
sae y 31 40° 44 
a ae. St 16 46 11 
47 3! 05 . 46 56 
47 30 20 47 49 
47 29 40 48 55 
any. 49 56 
47 28. 10 52 08 
"47 27 53 20, 2 
47 25. 45 54 36 
Index error = +- 1 min. 32 sec. = 
_ RESULT OF CALCULATION. 
Apparent time of transit. Latitude. 
