APPENDIX: A, 
I 
` 
ASTRONOMICAL OBSERVATIONS WITH SEXTANT. 
SEXTANT NO. 1 AND ARTIFICIAL HORIZON OF MERCURY. 
FORT SMITH, (Rogers Hotd)—Jvix 5, 1853. CAMP WILSON—Juty 6, 1853—Continued. 
Object observed. Time of observ'n — double Object observed. -| Time of observ'n | Observed double 
by chronometer. tude. by chronometer. altitude. 
AC Wü X ° Py E h. m. AMA 
006 eier TA 5- 08 11.6 107 47 50 p.n. EMT E NN | 5 59 4 68 51 30 
& 11 03.8 109 14 00 € 9 68 53 00 
5 14 28.1 110 14 40 6 02 28.2 68 54 10 
5 16 08.0 110 50 50 
: d po : Th e e Thermometer 789. Barometer 29. 7 in. Index error — 50". 
Se a SEXTANT No. 2. 
Arcturug-.. stu zz, - 5 23 06.0 127 50 50 
5.925 25.8 "wb CAMP WILSON—Jvrx 12, 1853. 
5 26 46.2 126 32 00 
5: 59. 68.8 114 08 50 Eola مرج‎ S SSS. زا‎ 6 24 2 69 13 20 
6 01 28.6 113 33 20 6 25 06.6 69 14 50 
6. 26 13,9 69 15 00 
Polart ionii D. 9 68 41 20 6 27 02.0 69 15 30 
5. 34 50.1 68 42 10 6 28 07.9 69 16 00 
b; 36 18,9 68 44 00 6 29 02.2 69 16 20 
8: 88 20.2 68 44 20 6 30 01.4 69 16 50 
bo 47. 09.9 68 48 40 6 31 30.1 69 18 20 
b. 52 38.2 68 51 00 6 32 48.9 9 19 00 
5 53 47.5 68 51 50 & 34 15.1 69 20 10 
6. 35 25.6 69 20 50 
6. 36 29.9 69 21 30 
32 . i D peo E 
Thermometer 80°. Barometer 29.7 in. Index error — 50 ات‎ éa uns # dw 
6 41 39.9 97 55 00 
CAMP WILSON—Juty 6, 1853. G 49 01.9 98 24 10 
— سم‎ 6 44 10.0 98 48 30 
6 45 19.2 99 13 10 
lee 9 e 5 25 32.6 114 29 00 6 46 27.3 9 36 40 
5 29 23.3 115 59 10 
5 30. 38.2 in © n 0 6 51 13.8 94 08 20 
5 31 56.7 116 57 30? 6 52 58.2 93 24 25 
6 53 52.6 93 02 00 
Arcturus. ....---.--- 5 45 28.2 119 39 45 6 55 03.6 92 32 10 
5. 49 18.3 118 13 50 6 57 24.0 | 91 36 25 
5 53 146 116 44 10 | | 
Polaris ---------=~- 5 56 22.2 68 50 10 me error — 855". Thermometer شس‎ 189. Ther- 
5 57 48.6 68 50 20 mometer detached 269. Barometer 29.7 in 
Norg. Tt has been deemed proper to give the original unreduced records of the astronomical, magnetic, and y eege 
observations, in order that those who have à special interest in apen eg ege ene? np pute any portion of the data upon 
ich the results are founded. This is regarded as the more import. sequence of the hasty manner in whi e the 
tables were prepared to be submitted to the department. The latitudes. ud "ongitides were required at so SCH a period 
for the construction of the maps, that little time was allowed for the verification of the primary computation 
