90 
MAGNETIC OBSERVATIONS. 
OBSERV ATIONS-— Continued. 
Station, Camp No. 61, Isleta. Date, November 9, 1853. 
OBSERVATIONS ON POLARIS. 
Face of circle. Whether observations are | Time of observa- Bedae of “compat azi- | | of azimuth 
direct or by reflection. tions by chro muth cir fPo- | circle when plane 
nometer No. 10. cle, ofinstrumentisin 
| the true meridian. 
{ 
h m 8. [0] , " [0] " | 0 , " 
Direct 0 29 09.5 | 58 44 00 
adis Direct کک تاج‎ aw | o کر‎ | diii eos e 
Reflection 
Reflection ...- | | 
Reflection | | 
Reflection | 
East 
Direct... | 56 28.6 | 58 43 00 
Direct | IW ea وی جو‎ HE © رد‎ — 
Reading of th circle when pl finst t thet idian, by mean of four observations. 59 57 55 
Error of chronometer + 2%. 33m. 00s. 
Station, Camp 63, Rio Rita. Date, November 12, 1853. 
- OBSERVATIONS ON POLARIS. 
Face of circle. "Whether observations are x: of observa- | Reading of ‘Computed azi- Reading of azimuth 
direct ir وس‎ ction by chro- | azimuth cir- mut Po- circle when plane 
ech de 10. cle. of instrument isin 
the true meridian. 
| Ae e 01 E e O Nm 
$ ç ۶ irect 4 44 56.1 6 02 29 54 95 382 06 
West | Direct 
> 3 | Reflection | E 
U Reflection 
| Reflection 2 
er Re flection 7 
Tut | Direct 4 49 08.1 6 27 31 49 95 55 1 
|! Direct 
Reading of azimnth circle when plane of inst tisin the true meridian, by mean of two observations-| 95 43 38. 
Error of chronometer 十 2h, 34m. 53s. 
