ENC SMPMENT ON THE LITTLE BLUE RIVE 
LEVEL OF THE GULF OF 
[1743 
wie. FEET ABOVE THE 
Determination of latitude, June 25, oat altitude of Polaris. 
# 
Time of chronometer. 
OBSERVATIONS. 
Double altitude of Polaris. 
Deg. min. sec. h. 
ae 20 10 
78 16 45 10 
“36 «6<17 «260 10 
78 19 25 10 
78 20 15 10 
78 20 20 10 
78 20 50 10 
78 21 25 10 
78 22 15 10 
78 10 10 
SSRBaRTRSSas 
Shoes 
RESULT OF CALCULATION. . 
True altitude Mean time. Latitiide. 
Deg. min. sec. h. min. see. Deg. min.  séc. 
39 «09 -~—(0 ces 2. 8 BB 
Determinatian of longitude, June 25, 1842—altitude of » Aquilz. 
OBSERVATIONS. f 
FIRST SERIES * SECOND SERIES- 
Double altitude of a Time of chronometer. Double altitude of a | Time of chronometer. 
Aquile. Aquile. 
min. h. = omin. see. Deg. min. see. hk. min. sec. 
34 40 ll ol 45.0 53 06 20 1l os 34.0 
51 19 10 Bi 03 47.3 53 40 07 11 10 05.5 
52 Il 15 11 06 07.0 54 st 2 1l 12 11.0 
RESULT OF CALCULATION. 
Mean time | , Advance. Longitude. 
« 
h. — min. h. min. sec. Deg. min. sec. 
> aT I 49 39 98 54 07 
