148 
MAGNETIC OBSERVATIONS. 
OBSERV ATIONS— Continued. 
Station, Camp 137, Pai-ute Creek ; latitude 35° 06' 26", 10; longitude Th. 39m. 35. 06s. 
Hour of beginning, 4h. 20m. p. m. ; hour of ending, 5h. p. m. 
Observer, Lieut. J. C. Ives, Topographical Engineers. 
Needle, B. Date, March 3, 1854. 
[e] r " 
50 52 
Needle vertical, face of circle north, reading of azimuth circle 50 52 
50 55 
50 56 
Needle vertical, face of circle south, reading of azimuth circle 50 60 
50 53 
Reading of azimuth circle when plane of instrument is in the magnetic meridian.................- 50 54 40 
Reading of azimuth circle when plane of instrument is in the true meridian 60- 1L 312 
Approximate magnetic declination i 14 16 32 E. 
OBSERVATIONS FOR MAGNETIC INCLINATION AND INTENSITY—No. 4. 
Def. with wt. 2} gr. Def. with wt. 3 gr. 
Face of circle. Direct. š 
. towards | Def. from Ther. | Def. towards | Def. from Ther. 
the vertical. | the vertical. | Fah. | the vertical. | the vertical. | Fah. 
(1) (2) (2) 
EEN cy 8.0 0 0 OF o 
: 61 00 94 42 26 53 58 102 55 ۱۱: وی‎ + A rue as 
East. 61 00 94 40 Z6 ES docto cue 102 590 IM 40 i22 uova 
; 61 03 94 40 28- 55 isso 102 53 18. EN E 
61 03 94 48 0 102 0 IN. AO EE 
West 61 01 94 50 26 90. Li: 102 45 18 BU E o 
61 00 94 50 26 55 58 102 40 18 40 54 
o ۴ d o , ” ° [e] 7 7 O 
(OO CURL EE A 61 01 10 d (1) 94 45 00 1 (1) 102 48. 50 
() 26 53 30 p (2) 18 44 20 er 
Cor. for index error of needle... | 十 -8 48 
[9] , ” 
Deduced inclination........... 61 09 58 
O , "m o , " 
Differences «coxis @£ رس 90 سس‎ 84$-0[-8980-- E 
` 0 , " 0 , ” 
Half diff. or angles of deflection 39 ی‎ es 42-097 18 ` ee 
0 , ” O 7 " 
Sum of means 11 EN 802 U وو وسر را‎ B Sg 9 o pa 
0 , " o 1 " 
Half sum — dip WE uua Lom 60 46 35 Liege 
