96 
MAGNETIC OBSERVATIONS, 
OBSERVATIONS—Continued. 
Station, Camp 67, Agaa Fria. Fate, November 17, 1853. 
OBSERVATIONS ON POLARIS. 
Face of circle. 
Whether observations are 
direct or by reflection. 
Time of observa¬ 
tion by chrono¬ 
meter No. 10. 
Reading of 
azimuth cir¬ 
cle. 
Computed azi¬ 
muth of Po¬ 
laris. 
Reading of azimuth 
circle when plane 
of instrument is in 
the true meridian. 
r 
West.. 
r 
East. ] 
l 
Direct_ 
h. m. s. 
3 28 57.8 
3 29 56. 1 
O ' 
20 39 
20 41 
7 26 
o r n 
20 47 26 
Direct_ 
Reflection_ 
Reflection... 
Reflection_ 
Reflection_ 
Direct_ 
Direct_ 
3 21 52.5 
3 24 22.9 
20 56 
20 59 
10 29 
21 07 59 
Reading of azimuth circle when plane of instrument'is in the true meridian, by mean of four observations 
20 57 42 
Error of chronometer 2 h. 38 m. 14. 9s. 
Station, Camp 68, Inscription Roclc. Date, November 18, 1853. 
OBSERVATIONS ON POLARIS. 
Face of circle. 
Whether observations are 
direct or by reflection. 
Time of observa¬ 
tion by chrono¬ 
meter No. 10. 
Reading of 
azimuth cir¬ 
cle. 
Computed azi¬ 
muth of Po¬ 
laris. 
Reading of azimuth 
circle when plane 
of instrument is in 
the true meridian. 
West.| 
r 
i 
East. 
Direct_ 
h. m. s. 
1 09 47.5 
1 11 54.8 
O ' 
38 47 
38 45 
o ' " 
1 08 20 
o • " 
39 54 20 
Direct_ 
Reflection __ 
Reflection _ . 
Direct_ 
1 04 13 
1 05 36.1 
39 00 
39 00 
1 10 29 
40 10 29 
Direct_ 
Reading of azimuth circle when plane of instrument is in the true meridian, by mean of four observations 
40 02 24 
Error of chronometer 2 h. 39m. 24. 94s. 
