Ixxviii 
CAPTAIN ELLIOT’S .MAGNETIC SURVEY OF THE INDIAN ARCHIPELAGO 
Table B. 
Observatory at Batavia. — Hourly observations 
Astrot). Mean Time T 
of Station. j 
12. 
13. 
14. j 15. 
16. 
17. 
18. 
19- 
20. 
21. 
22. 
23. 
0. 
i=-000415987xcot 60 
9 
°=-0002402. 
= •0002402. 
Bifilar Magnetometer. 
Sums 
1657-2 
1651-3 
1637-4 2254-8 
2242-8 
2230-7 
2221-1 
2218-7 
2237-1 
2251-1 
2259-7 
00 
0^ 
2316-3 
Means of 25 days ... 
92-07 
91-74 
90-97 90-19 
89-71 
89-23 
88-84 
88-75 
89-48 
90-04 
90-39 
91-13 
92-65 
Temp, corrections ... 
— 2-71 
-2-19 
-1-59 -0-93 
— 0-63 
-0-30 
0-00 
— 0-82 
— 1-68 
— 4-82 
—6-53 
-7-86 
—8-38 
Corrected means ... 
89-36 
89-55 
89-38 89-26 
89-08 
88-93 
88-84 
87-93 
87-80 
85-22 
8.3-86 
83-27 
84*27 
Oscillations & diffs. . 
0-45 
0-26 
0-43 0-55 
0-73 
0-88 
0-97 
1-88 
2-01 
4-59 
5-95 
6-54 
5-54 
oX 
1 
X 
•00011 
•00006 
•00010 -00013 
i 
•00017 
•00021 
•00023 
•00045 
•00048 
•00088 
•00143 
;00157 
•00133 
• Thermometer of Bifilar. 
Sums 
1398-8 
1389-4 
1378-6 1898-3 
1 
1890-7 
00 ■ 
oc 
^ i 
1 
1874-9 
1895-5 
1942-0 
1995-4 
2038-3 
2071-5 
2097-1 
Means of 25 days ... 
77-71 
77-19 
76-59^ 75-93 
75-63 
75-30 
75-00 
75-82 
77-68 
79-82 
81-53 
82-86 
83-88 
Differences & corrs. . 
— 2-71 
-2-19 
— 1-59 0-93 
0-63 
0-30 
0-00 
0-82 
1-68 
4-82 
6-53 
7-86 
8-38 
Observatory at Batavia. — Hourly observations 
A 
§ 
= •000415987 X cot 60 
==•0002402. 
= •0002402. 
Bifilar Magnetometer. 
Sums 
1539-0 
1535-8 
1531-2 
2297-9 
2295-9 
2287-6 
2278-3 
2274-9 
2276-1 
2291-4 
(2306-2 
2323-4 
2355-2 
1 
Means of 24 days ... 
96-19 
95-99 
95-70 
95-75 
95-66 
95-32 
94-93 
94-79 
94-84 
95-48 
96-09 
96-81 
98-13 
Temp, corrections ... 
— ]-33 
— 1-15 
-0-89 
-0-53 
— 0-34 
-0-19 
0-00 
— 0-36 
-1-66 
— 3-81 
— 5-48 
—6-84 
-7-90 
Corrected means ... 
94-86 
94-84 
94-81 
95-22 
95-32 
95-13 
94-93 
94-43 
93-18 
91-67 
90-61 
89-97 
90-23 
Oscillations & diffs. 
1-38 
1-40 
1-43 
102 
0-92 
1-11 
1-31 
1-81 
3-06 
4-57 
5-63 
6-27 
6-01 
ax 
X 
•00033 
•00034 
•00034 
•00024 
O 
O 
o 
•00027 
•00031 
•00043 
•00073 
•00110 
•00135 
•00151 
•00144 
Thermometer of Bifilar. 
Sums 
1235-5 
1232-7 
1228-5 
1834-0 
1829-4 
1826-0 
1821-4 
1830-0 
1861-2 1912-8 
1952-8 
1985-5 
2011-0 
Means of 24 days ... 
77-22 
77-04 
76-78 
76-42 
76-23 
76-08 
75-89 
76-25 
77-55 
79-70 
81-37 
82-73 
83-79 
Differences & corrs. . 
-1-33 
~1-15 
-0-89 
-0-53 
-p-34 
-0-19 
0-00 
-0-36 
1 

-3-81 
— 5-48 
-6-84 
-7-90 
