{174 ] 
MISSIONARY STATION AT THE DALLES OF THE COLUMBIA.* 
446 
Se Care 
Determination of latitude, Nov. 21, 1843—meridian aliitudes of ike sun. 
‘ OBSERVATIONS. ~ 
* 
. / 
Double altitudes of the sun’s lower limb. 
Time of chronometer. 
Deg. min. sec. he” min. — see. 
48 25 40 0 46 56 
48 26 si ae 47 56 
inc 5 48 45 
43 25 50 50 13 
48 25 40 50 54 
48 25 25 51 42 
a 52-30 
438 24 40 : 53 32 
Index error = + 2 min. 6 sec. 
RESULT OF CALCULATION. 
True central altitude. Apparent time of transit. Latitude. 
Deg. min. sec. 
24 29 23 
hk. Deg. min. sec. 
By 47-28 45 35 55 
See 
_ Determination of time, 
November 24, 1843—altitudes of a Lyrez. 
a 
OBSERVATIONS. ‘ ae 
Double altitudes of a Lyre. Time of chronometer. 2 
i ) 
A 
min. see. h. min. see. 
32 30 ef 48 23.0 
07 30 49 40.5 
¥ 
sec. 
min. 
69 20.7 
