CAPTAIN ELLIOT’S MAGNETIC SURVEY OF THE INDIAN ARCHIPELAGO. 
XVII 
ABLE A. 
Month of May, 1848. Latitude 6° 54' 20" N. Longitude 122° 13' 45" E. 
1. 
2. 
3. 
4. 
5. 
6. 
7- 
8. 
9- 
Sums. 
Means. 
Declin. 
Zero from 25th to 31st, 85*67. a = l° 
15' 24" East. 
509*9 
511*2 
512*3 
516*3 
520*3 
520*9 
521*4 
520*1 
519*5 
9881*8 
520*1 
84*98 
85*20 
85*38 
86*05 
86*72 
86*82 
86*90 
86*68 
86*58 
1646*96 
86*68 
1° 16' 25" 
-l'*70 
-l'*48 
— 1'*30 
-0'*63 
+ 0'*04 
+ 0'*14 
+ 0'*22 
o'*oo 
-0'*10 
0'*16 
0'*38 
0'*56 
l'*23 
l'*90 
2'*00 
2'*08 
1'*86 
i'*76 
4' 43" 
14' 56" 
14' 07" 
15' 47" 
16' 27" 
16' 33" 
16' 38" 
16' 25" 
16' 19" 
Zero from 25th to 31st, 50*57- ix.= l° 
15' 24" East. 
297*9 
300*9 
301*6 
306*6 
310*0 
3100 
309*9 
308*7 
308*9 
5761*2 
308*6 
49*65 
50*15 
50*27 
51*10 
51*67 
51*67 
51*65 
51*45 
51*48 
977*40 
51-44 
1° 16 ' 16" 
-l'*79 
-l'*29 
— 1'*17 
— 0'*34 
+ 0'*23 
+ 0'*23 
+ 0'*21 
+ 0'*01 
-f 0'*04 
0'*15 
0'*65 
0'*77 
l'*60 
2'*17 
2'*17 
2'*15 
l'*95 
l'*98 
14' 29" 
14' 59" 
15' 06" 
15' 56" 
16' 30" 
16' 30" 
16' 29" 
16' 17" 
16' 19" 
1 
Month of January, 1849. Latitude 5° 25' 36" N. Longitude 100° 24' 38" E. 
Zero from the 22nd to the 26th, 78’14. a=l° 48' 06". 
448*3 
89*66 
+ 2'*08 
4'*86 
50' 37" 
446*7 
89*34 
+ l''76 
4'*54 
50' 18" 
444*9 
88*98 
+ 1'*40 
4'* 18 
49' 56" 
443*1 
88*62 
+ 1'*04 
3'*82 
49' 35" 
438*5 
87*70 
+ 0'*12 
2'*90 
48' 40" 
436*0 
87*20 
-0'*38 
2'*40 
48' 10" 
437*1 
87*42 
-0'*16 
2'*62 
48' 24" 
437*6 
87*52 
-0'*06 
2'*72 
48' 29" 
436*9 
87*38 
-0'*20 
2'*58 
48' 20" 
8320*3 
1664*06 
437*8 
87*58 
1° 48' 32" 
Zero from the 22nd to the 26th, 51*78. a=l° 48' 06". 
268*1 
266*4 
264*5 
262*4 
258*3 
253*5 
256*7 
256*5 
255*6 
4919*9 
259*0 
53*62 
53*28 
52*90 
52*48 
51*66 
50*70 
51*34 
51*30 
51*12 
983*98 
51*88 
+ 1'*74 
+ 1'*40 
+ 1'*02 
+ 0'*60 
— 0'*22 
— 1'*18 
-0'*54 
- 0'*58 
-0'*76 
4'* 16 
3'*82 
3'*44 
3'*02 
2'*20 
l'*24 
l'*88 
l'*84 
l'*66 
49' 56" 
49' 36" 
49' 13" 
48' 48" 
47' 59" 
47' 01" 
47' 40" 
47' 37" 
47' 26 " 
