86 MAGNETIC OBSERVATIONS. 
OBSERVATIONS Continued. 
Station, Camp 59, Albuquerque ; latitude 350 5' 50” ; longitude Th. 6m. 31.47. 
Needle, C. Date, October 20, 1853. Hour of beginning, 4h. 30m. p. m. ; hour of ending, 5h. 15m. p. m. 
Observers, Lieut. A. W. Whipple and Lieut. J. C. Ives, Topographical Engineers. 
Marked end 8. P. Markedend N. P. . 
C , "m o , 22 
38 57 38 33 
Needle vertical, face of circle north, reading of azimuth circle 98 27 38 02 
38 47 38 30 
38 19 38 67 
Needle vertical, face of circle south, reading of azimuth circle 37 49 38 17 
38 15 38 44 
38 25 40 38 32 10 
38 25 40 
[e] , " 
Reading of 9 的 th circle when plane of — is in the سن یم‎ eg vema 38 28 55 
Reading of azimuth circle when plane of i t is in the 51 54 51 
Approximate magnetic declination 13 25 56E. 7 
OBSERVATIONS FOR MAGNETIC INCLINATION—No. 1. 
With marked end of needle, N. | e With marked end of needle, 8 " 
pole. Ss pole. S3 
Face of circle. SE SÉ 
° og 
North end of | South end of | EE North end of | South end of | £5 
needle reads— | needle reads— | | Š E needle reads— eer e سے‎ EET 
° , ” ° , ” O o , 7 ° , ” 
62 25 62 21 76 62 30 62 30 76 
West. 62 28 کہ‎ y کروی‎ SEN EE 62 28 MARE a تس‎ s 
62 27 وج ہہ‎ — EE 62 43 BEEN ^C Lo 141 
62 25 62 28 T2 62 25 62 28 72 
East 2 33 $23.36. es AS 62 13 وم‎ 1:2... 
62 18 和 62 13 ERO o ad e urn 
Means | 62 26 62 27 74 62 25 20 62 24 74 
Mean of 4 results 620 25 35”. 
