MAGNETIC OBSERVATIONS 
OBSERVATIONS—Continued. 
131 
Station, Camp 111. Date, February 1, 1854. 
OBSERVATIONS ON POLARIS. 
Face of circle. Whether observations are | Time of observa- Seia of | Computed azi- | Reading of azimuth 
direct or by reflection tion by chrono- muth cir- e; of Po- | circle when plane 
meter No. 10. H lari of instrument is in 
the true meridian 
| 
h m. É O , | 0 , " o , " 
Direct 9-08. 00.5 تک‎ 4 4 
e 7۴ ireci 9 05 26.5 77 18 | یی کس سای‎ www 
Reacción P 
ا[‎ Reflection - | 
(| Reflection - | ناج‎ A 
Fast Reflection - 1 e | 
Direct 9 07 44.5 4 « 
l Direct 9 08 52.9 7 46 LAS . سس‎ 
Reading of azimuth circle when pl f t the true meridian, by mean of four observations 75 48 25 
Error of chronometer + 3h. 8m. 21s. 
Station, Camp 112. Date, February 4, 1854. 
OBSERVATIONS ON POLARIS. 
Face of circle. Whether observations are | Time of observa- | Reading of | aye r azi- | | Reading of azimuth 
direct or by reflection. tion by chro- | azimuth cir- | muth of Po- | circle when plane 
|n nometer No. 10. | cle. | laris. | of instrumentisin 
=e | | the true meridian. 
| ۱ 
hm 8. , ” | o 7 ” | o , " 
Direct. 7 58. 50.6 61 50. 2 
= ا سوا‎ 8 00 17.5 |. 67 52 | a ag ee 
Reflection e ojeras -----| 
Reflection ..... | 
Reflection | 
Reflection | 
East Direct TH b |. Onun pn 66 47 19 
Direct T ‘677 05.5 68 18 | 
m A: e 7 ۳۰ Roo + 1 £ t tisinthet idi e by mean of four observations. 66 34 07 
5 E 1 
Error of chronometer + 3h. 09m. 8, 2s. 
