{174 J 
2356 
JUNCTION OF ARKANSAS AND BOILING SPRING RIVERS. 
Determination of longitude, July 15, 1843—altitudes of the sun. 
OBSERVATIONS. 
FIRST SERIES. 
SECOND SERIES. 
Double altitudes id the 
sun’s s lower lim 
Time of chronometer. 
Double altitudes of 7 
sun’s lower limb. 
Time of chronometer. 
Deg. min. sec. h. min. see. Deg. min, sec. h. min. sec. — 
41 651 15 58 03.0 43 18 40 ats © 50.2 
42 14 00 59 ~=s 01.0 43 33 40 0 284 
42 28 00 59. . 37.6 O43. =B0 03 07.2 
42 43 20 S00 18.0 44 05 35 03 50.5 
42 56 30 00- 52.0 44-20-40 v4 30.3 — 
é Index error = -+ 2 min. 9 sec. 
RESULT OF CALCULATION. 
Mean time. Advance. Longitude. 
&. min, see. h. min. see. | Deg. min. sec. 
SBE MSO 634 f.0 f-96u% Bhs iA \o epgee egg 19 130 
-ENCGAMPMENT AT BOILING SPRINGS. 
Determination - longitude, July 18, 1843—altitudes of the sun.~ 
— 
i - OBSERVATIONS. 
Double altitudes of the sun’s lower limb. Time of chronometer. 
ss ~ Deg. — min. _sec.__— Ao -gees ee 
an 0 t= 10 32 125 
1 21 oOo mt oe 32 59.3 
102 05 «BS 34 «56.2 
102 20 WITS Aa 35 35.0 
eee 102 we ee a 
eee SUvipao. i‘ i aaa 
ses . co Index error = xy 1 min. 50 sec. ; 
Longitude. 
Deg. min. 88. 
106... 89 AB 
