CAPTAIN ELLIOT’S MAGNETIC SURVEY OF THE INDIAN ARCHIPELAGO 
Ixx 
Table B. 
Observatory at Pulo Booaya. — Hourly observations 
Astron. Mean Time 1 
of Station. j 
15. 
16. 
17. 
18. 
19. 
20. 
21. 
22. 
23. 
0. 
1. 
^=•000415987 X cot 60°=-0002402. 
q =-0002402. 
Bifilar Magnetometer. 
Sums 
Means of 3 & 4 days 
Temp, corrections ... 
Corrected means ... 
Oscillations & difFs. 
X 
Sums 
Means of 3 & 4 days 
Differences & corrs... 
237-4 
235-5 
231-6 
233-0 
230-3 
233-4 
239-7 
250-7 
335-8 
79-13 
78-50 
77-20 
77-67 
76-77 
77-80 
79-90 
83-57 
83-95 
0-00 
— 0-24 
-0-60 
—2-67 
—3-67 
-4-87 
—5-64 
—7-10 
-5-87 
79-13 
78-26 
76-60 
75-00 
73-10 
72-93 
74-26 
76-47 
78-08 
2-28 
3-15 
4-81 
6-41 
8-31 
8-48 
7-15 
4-94 
3-33 
-00055 
-00076 
•00116 
•00154 
•00200 
•00204 
•00172 
•00119 
•00080 
Thermometer of Bifilar. 
240-4 
241-1 
242-2 
248-4 
251-4 
255-0 
257-3 
261-7 
344-0 
80-13 
80-37 
80-73 
82-80 
83-80 
85-00 
85-77 
87-23 
86-00 

0-00 
-0-24 
-0-60 
-2-67 
— 3-67 
-4-87 
—5-64 
-7-10 
-5-87 
Observatory at Padang. — Hourly observations 
^=•000416 X cot 60°= 
q = 
•0002402. p.n, 
•0002402. Magnetometer. 
Sums 
Means of 3 & 4 days 
Temp, corrections ... 
Corrected means ... 
Oscillations & diffs. 
5X 
X 
1302-8 
100-22 
0-58 
99-64 
3-81 
•00091 
1302-6 
100-20 
0-36 
99-84 
3-61 
•00087 
1304-2 
100-31 
0-14 
100-17 
3-28 
•00079 
1195-6 
99-63 
0-00 
99-63 
3-82 
•00092 
1309-3 
100-72 
2-03 
98-69 
4-76 
•00114 
1340-8 
103-13 
6-44 
96-69 
6-76 
•00162 
1369-4 
105-34 
10-77 
94-57 
8-88 
•00213 
1386-2 
106-63 
14-24 
92-39 
11-06 
•00266 
1390-3 
106-95 
15-76 
91-19 
12-26 
•00294 
1413-6 
108-74 
17-10 
91-64 
11-81 
•00289 
1444-0 
111-08 
17-31 
93-77 
9-68 
•00233 
Thermometer of Bifilar 
Sums 
948-8 
945-7 
942-9 
868-7 
967-3 
1024-8 
1081-1 
1126-2 
1145-9 
1 163-4 
1166-1 
Means of 13 days ... 
72-97 
72-75 
72-53 
72-39 
74-42 
78-83 
83-16 
86-63 
88-15 
89-49 
89-70 
Differences & corrs. 
0-58 
0-36 
0-14 
0-00 
2-03 
6-44 
10-77 
14-24 
15-76 
17-10 
17-31 
