F174 J — 
ENCAMPMENT ON THE LEFT BANK OF PARTE RIVER, TEN MILES BELOW 
GRAND ISLAND. 
sani % time, September 21, 1842—allilude of vircturus. 
OBSERVATIONS. 
FIRST SERIES. | i SECOND SERIES. 
ee 
Double altitude of Are- | Time of chronometer. : Double altitude of Arc- | . Fime of chronometer. 
turus. , 
Deg. min. see. h. min, sec. |) Deg. min. see. h. min. see. 
08 6b 6 265. 8 ON. FORE Ob 0s 887 
6993 1B SOBER ER BC SF 16:7 ‘16 5By | 9 05. °415.0 
48 ol 50 9 00 34.0 45 36 50 9 01.0 
~ ‘RESULT OF CALCULATION. : 
Advance. Longitude. 
min. see. 
1 | 5329 
i a Bal oak aed a 
Determination of latitude, September 21, 1s42—allitude Of 3 Polaris. 
he . “OBSERVATIONS. ‘ * 
ere & x 
Fe M > a Bn a SS oa . “2 2 : : see oad 
ne - + Double altitude of Polaris. Time of chronometer. 5 
a ee as ae 
— .t 
= Deg. min. see, | ee), ee 
: a ee ee 9 10 56 
: ee gg 27 | 46 aft ais 9 m2 (cool 
GS gg} ee 6 me ECR TY 9. 35 M3 
~. J aa bi 8 FOF 
ioe eS * a 80 cee 3 
0s i oa ee 
82 37 A5 9 24 15 
A 82 370s 40 9 25 47 
82 40 00 ce ‘ 9 28 13 
eo ee | 00 9 30 
: ° : Thermometer 51°, o 
. ; 
RESULT OF CALCULATION, 
