Ixxxiv 
CAPTAIN ELLIOT’S MAGNETIC SURVEY OF THE INDIAN ARCHIPELAGO. 
Table B. 
Observatory at Cocos Island. — Hourly observations made 
Astron.Mean Time"! 
of Station. J 
15. 
16. 
17. 
18. 
1 I 
19. j 20. 1 21. 
22. 
23. 0. 1 1. 
^=•000415987 X cot 60'^ 
9 
= •0002402. p.., 
=•0002402. Magnetometer. 
Sums 
Means of 27 days ... 
Temp, corrections ... 
Corrected means ... 
Oscillations & diffs. . 
SX 
X 
2152-6 
2137-9 
2130-3 
2121-6 
2091-7 i 2092-3 
2103-7 
2111-6 
2124-5 
2126-3 
2154-3 
79-73 
79-18 
78-90 
78-58 
77-47 77-49 
77-91 
78-21 
78-69 
78-75 
79*79 
-0-32 
-0-16 
-0-11 
0-00 
1 
0 
1 
— 3-31 
— 4-35 
— 5-62 
-5-99 
-5-93 
79*41 
79-02 
78-79 
78-58 
77-05 ; 75-88 
74-60 
73-86 
73-07 
72-76 
73-86 
0-98 
1-37 
1-60 
1-81 
3-34 1 4-51 
5-79 
6-53 
7-32 
7-63 
6-53 
•00023 
•00033 
•00038 
•00043 
•00080 -00108 
•00139 
•00157 
•00176 
•00183 
•00157 
Thermometer of Bifilar. 
Sums 
2079-6 
2075-2 
2073-9 
2070-9 
2082-3 
2114-3 
2160-2 
2188-4 
2222-6 
2232-7 
2231-1 
Means of 27 days ... 
77-02 
76-86 
76-81 
76-70 
77-12 
78-31 
80-01 
81-05 
82-32 
82-69 
82-63 
Differences & corrs. . 
-0-32 
-0-16 
— 0-11 
0-00 
-0-42 
-1-61 
—3-31 
-4-35^ 
— 5-62 
-5-99 
-5-93 
I 
