[ 174 | 358 
ENCAMPMENT AT BOILING SPRINGS. 
Determination of longitude, July 18, 1843—altitudes of the sun.’ 
OBSERVATIONS. 
“~~ Double altitudes of the sun’s lower limb. Time of chronometer. 
: Deg. min. sec. h. + min. see. 
is. 4s 0 .- te wo 
136 28 50 ll 49.5 
we 6UCdltCtiéiw 1259.0 
135 58 50 13 51.0 
135 48 25 14 33.0 
: Index error — ++ 1 min. 30 sec. 
RESULT OF CALCULATION. 
Mean time. Advance: Longitude. 
h. min. kh min. sec. min, sec. 
1 02 49 1 55.3 105° 82 4 
