148 
MAGNETIC OBSERVATIONS, 
OBSERVATIONS—Continued. 
Station, Camp 137, Pai-ule Creek ; latitude 35° 06' 26". 10 ; longitude 7 h. 39m. 35. 06s. 
Needle, B. Date, March 3, 1854. Hour of beginning, 4 h. 20 m. p. m. ; hour of ending, 5h. p. m. 
Observer, Lieut. J. C. Ives, Topographical Engineers. 
o ' " 
( 50 52 
Needle vertical, face of circle north, reading of azimuth circle. J 50 52 
( 50 55 
( 50 56 
Needle vertical, face of circle south, reading of azimuth circle. 1 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_ 65 11 12 
Approximate magnetic declination_______ 14 16 32 E. 
OBSERVATIONS FOR MAGNETIC INCLINATION AND INTENSITY—No. 4. 
Face of circle. 
Direct. 
Def. towards 
the vertical. 
( 1 ) 
Def. from 
the vertical. 
( 2 ) 
Tlier. 
Fall. 
Def. with wt. 3 gr. 
Def. towards 
the vertical. 
( 1 ) 
Def. from 
the vertical. 
( 2 ) 
Tlier. 
Fall. 
East. 
West. 
Means . 
Cor. for index error of needle — 
Deduced inclination. 
Differences. 
Half diff. or angles of deflection 
o ' 
61 00 
61 00 
61 03 
61 03 
61 01 
61 00 
61 01 10 
+ 8 48 
61 09 58 
Sum of means.. 
Half sum = dip . 
o ' 
94 42 
94 40 
94 40 
94 48 
94 50 
94 50 
o ' 
26 53 
26 48 
26 55 
26 60 
26 50 
26 55 
o 
58 
58 
o / 
102 55 
102 50 
102 53 
102 50 
102 45 
102 40 
o / 
18 43 
18 40 
18 50 
18 43 
18 50 
18 40 
j (1) 94 45 00 ) 
j (2) 26 53 30 j 
o 
58 
67 51 30 
33 55 45 
121 38 30 
(1) 102 48 50 ) 
(2) 18 44 20 j 
84 04 30 
42 02 15 
121 33 10 
60 49 15 
60 46 35 
54 
o 
54 
