150 MAGNETIC OBSERVATIONS. 
OBSERV ATIONS-— Continued. 
Station, Camp 140. Date, March 6, 1854. 
OBSERVATIONS ON POLARIS. 
Face of circle. Whether observations are Time ré observa- | Reading of | Computed azi- | Reading of Án 
direct or by reflection. | tion by chr qÉ azimuthcir-| muth of Po-| circle when plane 
| meter "No. cle. laris. of یں ہا‎ is in 
| the true meridian. 
| A. m. 8. 0 1 0 í “ 0 1 “ 
( | Direct |: g- pk. 85.9 97 30 1 42 36 95 47 24 
West Direct | 
2 1 Reflection . | 
|| Reflection - 
f | Reflection . | 
Reflection - 
East - Direct | | 
Direct |..9 18 32.2 7و9‎ 09 | 1-42 54 96 16 06 
| 
Reading of azimuth circle when plane of instrument is in the true meridian, by ft b t 96 01 45 
Error of chronometer + 3h. 22m. 55. 3s. 
Station, Camp 142. Date, March 8, 1854. 
OBSERVATIONS ON POLARIS. 
Face of circle. Whether observatio: sare Time of observa- Reading of| Computed azi- | Reading of azimuth 
direct or by reflection. tion by chrono- | azimuth cir muth of Po- | circle when plane 
meter No. 10. cle. laris. of instrument is in 
the true meridian. 
À. m. 8. ° , O 7 ” ° , ” 
Direct 9. L 575 60 55 1 41 53 59 13 07 
West Direct ° 
۱ | Reflection ۔‎ | 
(| Reflection - - 
Reflection . X. 
East Reflection 0 سا‎ 
Direct E 
Direct 9.10 26.6 61 22 1 41 29 59 40 31 
Reading of azimuth circle when pl f inst tisinthet lian, by mean of twoobservations 59 26 59 
Error of chronometer + 3h. 25m. 05.55. 
Tele Ole 
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