VI 
CAPTAIN ELLIOT’S MAGNETIC SURVEY OF THE INDIAN ARCHIPELAGO. 
Oscillation of the Declination at Singapore, 
Astron. Mean Time. 
12. 
13. 
14. 
15. 
16. 
17. 
18. 
19. 
20. 
21. 
22. 
November 1848.. 
/ 
/ 
2-33 
l'-94 
1-53 
070 
6-00 
6*10 
6-93 
2-16 
December 
2-38 
2-11 
179 
0-85 
0*00 
0*21 
1-28 
Means 
2-36 
2-02 
1-66 
077 
0-00 
0-15 
MO 
2-21 
Oscillation of the Declination at Batavia in 
November ...1846 
2-4 
2-2 
2-1 
1-9 
1*8 
17 
0-9 
0*1 
0*0 
0-4 
1-2 
December 
3-2 
3-0 
2-9 
2-7 
2-4 
2-1 
1-3 
0*3 
0-0 
1'5 
January 1847 
3-7 
3*7 
3*6 
2-9 
2-7 
2-4 
1-8 
0-4 
0-0 
0-5 
1-2 
February 
3-9 
4*1 
3-8 
3-7 
3*8 
37 
3-5 
2-2 
0-6 
0-0 
0-5 
Sums 
13-2 
13-0 
12-4 
11 -2 
10-7 
9-9 
7*5 
3-0 
0-6 
1-4 
4-4 
Means 
3*40 
3«25 
3-10 
2-80 
2-70 
2-50 
1*90 
0-75 
0-15 
0 35 
MO 
Oscillation 
3-25 
3-10 
2*95 
2-65 
2-55 
2-35 
175 
0-60 
0-00 
0-20 
0-95 
Oscillation of the Declination at Batavia in 
March 1847 
2-3 
2-1 
17 
1-5 
0-9 
0-0 
1-2 
0-8 
April 
2-8 
2-7 
2-5 
2-4 
2-0 
0-8 
0-0 
0’5 
May 
1-6 
1-6 
1-6 
2-0 
1'9 
1-1 
0*4 
0-0 
June 
0-6 
0‘7 
07 
1-0 
1-6 
0-9 
0-3 
0-0 
Sums 
7-3 
7*1 
6-5 
6-9 
6-4 
2-8 
1*9 
1*3 
Means 
1*82 
1-78 
1-62 
172 
1-60 
070 
0-47 
0*32 
Oscillation 
1-50 
1-46 
1*30 
1-40 
1-28 
0-38 
0-15 
0-00 
Oscillation of the Declinometer No. III. 
November ...1848 
2-32 
1-92 
1-48 
0-64 
0-09 
0-00 
0-94 
2-16 
December 
2-45 
2*20 
1-84 
0-93 
0-00 
0-25 
1*30 
2*36 
Means 
2-38 
2-06 
1-66 
078 
0-04 
0-12 
M2 
2*26 
Oscillation 
2-34 
2-02 
1-62 
074 
0-00 
0-08 
- 1*08 
2-22 
Oscillation of the Declination at Sarawak in 
June 1846 
0-65 
0-84 
1-03 
M4 
M4 
1-28 
176 
2*45 
1*86 
1-00 
0-41 
July 
1-19 
1-23 
2-23 
1-58 
1*64 
1-61 
1-89 
2'42 
2-00 
0-86 
0-19 
August 
0-68 
0-69 
0*85 
0-94 
1-01 
1-29 
T98 
2-85 
2-40 
M5 
0-51 
Sums 
2-52 
2-76 
4-11 
3-66 
379 
4-18 
5-63 
772 
6-26 
3-01 
Ml 
Means 
0-84 
0-92 
1*37 
1-22 
1-26 
1*39 
1-88 
2-57 
2-09 
1-00 
0-37 
Oscillation 
0-84 
0-92 
1-37 
1-22 
1-26 
1-39 
1-88 
2-57 
2-09 
I'OO 
0-37 
Oscillation of the Declination at Padang 
in Sumatra, 
October 1847 
1-21 
M5 
1*12 
0-98 
0-61 
0-22 
0-03 
0-00 
November 
1-98 
1-94 
1-64 
0-94 
0-00 
0-l6 
0-29 
1-06 
December 
2‘66 
2-59 
2-26 
1-63 
0-43 
0-00 
0-71 
1*81 
January 1848 
2-15 
1-97 
1-67 
0-92 
0-05 
0-00 
075 
1-41 
Sums 
8-00 
7*65 
6-69 
4-49 
1-09 
0*38 
178 
4'28 
Means 
2-00 
1-91 
1-67 
1*12 
0-27 
0-09 
0-44 
1-07 
Oscillation 
1-91 
1*82 
1-58 
1-03 
0-18 
0-00 
0-35 
0-98 
