Ixxxii 
CAPTAIN ELLIOT’S MAGNETIC SURVEY OF THE INDIAN ARCHIPELAGO. 
Table B. 
Observatory at Batavia. — Hourly observations 
Astron. Mean Time I 
of Station. j 
15. 
16 . 
17. 
18. 
19. 
20 . 
21 . 
22 . 
23. 
0 . 
1 ; 
^=-000415987 X cot 60'’=-0002402. , , 
Bifalar Mag 
g =-0002402. ^ 
netometer. 
Sums 
2849-3 
2831-1 
2811-1 
2792-1 
2802-8 
2840-4 
2460-0 
2926-6 
2947-9 
2987-0 
3012-5 
Means of 26 days ... 
109-59 
O 
QO 
do 
108-12 
107-39 
107-80 
109-25 
111-82 
112-56 
113-38 
114-88 
115-87 
Temp, corrections ... 
— 1-47 
-0-95 
0-40 
0-00 
-1-43 
— 4-58 
—8-43 
-9-70 
— 11-12 
-12-36 
-11-96 
Corrected means ... 
108-12 
107-94 
107-72 
107-39 
106-37 
104-67 
103-39 
102-86 
102*26 
102-52 
103-91 
Oscillations & diffs. . 
— 0-75 
0-93 
1-15 
1-48 
2-50 
4-20 
5-48 
6-01 
6-61 
6-35 
4-96 
$X 
X 
•00018 
•00022 
•00028 
-00035 
-00060 
•00101 
-00132 
-00144 
•00159 
•00152 
•00119 
Thermometer of Bifilar. 
Sums 
1976-6 
1963-0 
1948-6 
1938-3 
1975-6 
2057-5 
1825-5 
2190-6 
2227-3 
2259-7 
2249-2 
Means of 26 days ... 
76-02 
75-50 
74-95 
74-55 
75-98 
79-13 
82-98 
84-25 
85-67 
86-91 
86-51 
Differences & corrs. . 
-1-47 
-0-95 
-0-40 
0-00 
-1-43 
— 4-58 
-8-43 
-9-70 
— 11-12 
— 12-36 
-11-96 
Observatory at Batavia. — Hourly observations 
^ = •000415987 X cot 60 
q 
°=-0002402. ^ ^ 
= •0002402. Magnetometer. 
Sums 
2953-1 
2928-1 
2897-6 
2762-3 
2785-6 
2815-3 
2418-3 
2909-2 
3059-5 
3099-8 
3120-4 
Means of 26 days ... 
113-58 
112-62 
111-45 
110-49 
111-42 
112-61 
115-16 
116-37 
117-67 
119-22 
120-02 
Temp, corrections ... 
-1-30 
— 0-68 
— 0-20 
0-00 
-1-82 
-4-50 
-8-37 
— 10-42 
-11-89 
-12-87 
- 12-90 
Corrected means ... 
112-28 
111-94 
111-25 
110-49 
109-60 
108-11 
106-79 
105-95 
105-78 
106-35 
107-12 
Oscillations & diffs. . 
0-00 
0-34 
1-03 
1-79 
2-68 
4-17 
5-49 
6-33 
6-50 
5-93 
5-16 
SX 
X 
•00000 
•00008 
•00025 
00043 
•00064 
•00100 
•00132 
•00152 
•00156 
•00142 
•00124 
Thermometer of Bifilar. 
Sums 
1957-8 
1941-8 
1929*2 
1850-0 
1895-5 
1962-6 
1729-7 
2110-5 
2233-1 
2258-7 
2259-5 
Means of 26 days ... 
75-30 
74-68 
74-20 
74-00 
75-82 
78-50 
82-37 
84-42 
85-89 
86-87 
86-90 
Differences & corrs. . 
-1-30 
— 0-68 
-0-20 
0-00 
— 1-82 
— 4-50 
-8-37 
-10-42 
-11-89 
-12-87 
-12-90 
