MAGNETIC OBSERVATIONS. 137 
OBSERVATIONS—Continued. 
Station, Camp 121. — Date, February 13, 1854. 
OBSERVATIONS ON POLARIS. 
| | 
Face of circle. Whether observations are Time of observa- Beading a ot Computed ~al | Read uth 
direct or by reflection. tion by chrono- | azimuth اہ‎ re: DECH A jo 
meter No. 10. | cle. | | ofinstrument is in 
| | the true meridian 
À. m. TS o Av , " | e ” 
Direct 7 44 07.9 12.27. | 1 24 48 | 71 02 12 
West Direct 1 | 
یو‎ | | 
| 
| i ` (| Reflection - | | 
East Reflection - 
Direct | | 
Direct 1 43 12.3 143. 88 1. 1. 24,94. | 711 28 26 
| 
i Reading of azimuth circle when plane of inst tisin the true meridian, by mean of two observation | ...و‎ 19 
Error of chronometer 十 3h. 10m. 22. 4s. 
Station, Camp 122. „Date, February 15, 1854. 
OBSERVATIONS ON POLARIS. 
Face of circle. Whether observations are | Time of observa- ] Reading of | Computed azi- | Reading of azimuth 
direct or by reflection. P CH get chrono- | 09 cir- | ۰ of Po- | | circle when pla ane 
r No. 10. | | lar of instrument is in 
| | the true meridian. 
| | 
š B uiv | hm wu A e«t qiie ct 
Direct T H 22.0 d S 16 18 77 28 42 
West — Direct. - bere edet rediens z a | : 
Reflection - 
Reflection | 
( | Reflection - | 
East Reflection -` | 
- Direct 7 19 03 79 20 | 1 17 40 78 02 20 
Reading of azimuth circle when plane of inst tisinthet idian, by mean of two observations. 17 45 31 
