MAGNETIC OBSERVATIONS. 
OBSERV ATIONS— Continued, 
Station, Camp 135. Date, March 1, 1854. 
OBSERVATIONS ON POLARIS. 
| 
Face of circle. Whether observations are | Time of observa- — of| of paren tae azi- TR 3 رب‎ iir 
irect or by reflection. tion by chro- | azimuth cir muth of Po-| circ plan 
nometer No. 10. of 3 isin 
the true meridian. 
EK G £ ا‎ j won m 
f Direct 8 88 37.9 8 40 1 36 57 7 03 03 
West 4 | Direct 
! eflection 
(| Reflection 
Reflection 
Reflection 
East Direct - : 
Direct 8 41 43.6 9 8 077٤ 7 34 23 
Reading of tl le wl 1 f t thet lian, by mean of two observations- 7 18 43 
Error of chronometer + 3h. 17m. 55. 2s. 
Station, Camp 137. Date, March 3, 1854. 
OBSERVATIONS ON POLARIS. 
Face of circle. 
ther observations are | Time of observa- | Reading = 
tion by chrono- h ci 
m 
Whether 
direct or by reflection. 
eter No. 10. 
| 
pe 
| 
rr 
| 
i 
| 
| 
Computed azi- 
muth of Po- 
aris. 
Reading of azimuth 
circle when plane of 
— ei in the 
true meridia 
West 
| 
| 
| 
h m. D 0 , D EET I 1r [e] 7 “ 
Direct 8.42. 54.5 66 35 جوا‎ 58 64 57 07 
Direct š 
Reflection | 
یف سے‎ spi | 
Reflection | | 
Reflection. | | 
Direct 
Direct 8 47 13.4 67 04 | 1 38 42 | 65 25 18 
65 11 123 
» 
Reading of azimuth circle when plane of instrument is in the true meridian, by mean of two observatio: 
Error of chronometer + 3%, 19m, 53, 08s, 
