lx 
CAPTAIN ELLIOT’S MAGNETIC SURVEY OF THE INDIAN ARCHIPELAGO. 
Table B. 
Observatory at Keemah. — Hourly observations 
Astron. Mean Time") 
of Station. j 
15. 
16. 
17. 
18. 
19. 
20. 
21. 
22. 
23. 
0. 
1. 
^=-000415987 X cot 60° 
9 
= -0002402. ,, , 
*0002402 lV4sgDctoinGt6r. 
j Sums 
587-5 
583-7 
581-3 
573-4 
578-4 
556-5 
629-8 
636-8 
588-6 
602-8 
644-8 
Means of 10 da 3 "s ... 
58-75 
58-37 
58-13 
57-34 
57-84 
61-83 
62-98 
63-68 
65-40 
66-98 
64-48 
Temp, corrections ... 
-0-70 
-0-44 
-0-29 
0-00 
-1-91 
-8-13 
— 11-62 
-14-27 
-17-00 
— 18-72 
— 15-17 
1 Corrected means ... 
58-05 
57-93 
57-84 
57-34 
55-93 
53-70 
51-36 
49-41 
48-40 
48-26 
49-31 
Oscillations & diffs. . 
0-00 
0-12 
0-21 
0-71 
2-12 
4-35 
6-69 
8-64 
9-65 
9-79 
8-74 
JX 
X 
0-00 
-00003 
-00005 
O 
O 
o 
-00051 
-00104 
-00161 
-00208 
-00232 
-00235 
-00210 
Thermometer of Bifilar. 
Sums 
734-6 
732-0 
730-5 
727-6 
746-7 
728-0 
843-8 
870-3 
807-8 
823-3 
879-3 
Means of 10 days ... 
73-46 
73-20 
73-05 
72-76 
74-67 
80-89 
84-38 
87-03 
89-76 
91-48 
87-93 
Differences & corrs. . 
—0-70 
— 0-44 
-0-29 
0-00 
-1-91 
— 8-13 
— 11-62 
-14-27 
— 17-00 
-18-72 
— 15-17 
Observatory at Sarawak. — Hourly observations 
Astron. Mean Time! 
1 of Station. | 
12. 
13. 
14. 
15. 
16 . 
17 . 
18. 
19 . 
20. 
21. 
22. 
23. 
0. 
;^ = -000415987xcot 60 
9 
°=-0002402. 
= -0002402. 
Bifilar Magnetometer. 
Sums 
2177-1 
2166 - 3 ' 2157-2 
2145-2 
2139-6 
2130-4 
2111-7 
2085-4 
2079 - 0 ' 2093-8 
2133-6 
2179-1 
2230 - 5 ! 
Means of 26 days ... 
83-73 
83-32 
82-97 
82-51 
82-29 
81-94 
81-22 
80-21 
79-96 
80-53 
82-06 
83-81 
85-79 
Temp, corrections ... 
— 1-50 
— 1-28 
-1-03 
-0-77 
- 0-47 
-0-25 
0-00 
-0-02 
— 1-08 
-3-25 
— 5-62 
-7-58 
- 9-07 
Corrected means ... 
82-23 
82-04 
81-94 
81-74 
81-82 
81-69 
81-22 
80-19 
78-88 
77-28 
76-44 
76-23 
76-72 
Oscillations & diffs. . 
0-49 
0-68 
0-78 
0-98 
0-90 
1-03 
1-50 
2-53 
3-84 
5-44 
6-28 
6-49 
6-00 
5X 
X 
-00012 
-00016 
-00019 
-00023 
0^ 
0 1 
0 1 
0 
1 
0 
0 1 
0 
•00036 
-00061 
-00092 
-00131 
-00151 
-00156 
-00144 
Thermometer of Bifilar. 
Sums 
2012-5 
2006-7 
2000-2 
1993-4 
1985-7 
1979-9 
1973-4 
1973-8 
2001-6 
2057-9 
2119-5 
2170-4 
2209-3 
Means of 26 days ... 
77-40 
77-18 
76-93 
76-67 
76-37 
76-15 
75-90 
75-92 
76-98 
79-15 
81-52 
83-48 
84-97 
Differences & corrs. . 
— 1-50 
— 1-28 
-1-03 
-0-77 
-0-47 
-0-25 
0-00 
-0-02 
-1-08 
-3-25 
— 5-62 
-7-58 
1 
0 
•'a 
