XXXV 1 
CAPTAIN ELLIOT’S MAGNETIC SURVEY OF THE INDIAN ARCHIPELAGO. 
Table A. 
Observatory at Padang. — Hourly observations made during the Month of 
Astron. Mean TimeT 
of Station. j 
12. 
13. 
14. 
15. 
16. 
17. 
18. 
19. 
20. 
21. 
22. 
23, 
0. 
1 F 
= 1' X 1-000158 — 1'-000158. Declinometer No. ij. 
Sums 
Means of 13 days ... 
Diurnal changes ... 
Diurnal oscillation... 
Diurnal declination . 

585-7 
45-05 
-0'-62 
2'-15 
25' 08" 
+ 1° 
583-3 
44-87 
— 0'-80 
l'-97 
25' 02" 
579-4 
44-57 
-I'-IO 
l'-67 
24' 44" 
569-7 
43-82 
— 1'-85 
0'-92 
23' 56" 
558-4 
42-95 
-2'-72 
0'-05 
23' 02" 
557-7 
42-90 
-2'-77 
o'-oo 
23' 02" 
567-4 
43-65 
— 2'-02 
0'-75 
23' 44" 
576-4 
44-34 
-l'-33 
l'-41 
24' 26" 
587-3 
45-18 
-0'-49 
2'-28 
25' 20" 
606-9 
46-68 
+ 1'-01 
3'-78 
26' 50" 
Observatory at Poolo Bay. — Hourly observations made during the Months of 
j = l' X 1-000207 = l'-000207. Declinometer No. I. 
Sums 
Means of 5 days ... 
Diurnal changes ... 
Diurnal oscillation... 
Diurnal declination . 
458-0 
91-60 
+ 0'-39 
2'-14 
06' 46" 
+ 1° 
458-5 
91-70 
+ 0'-49 
2'-24 
06' 52" 
459-4 
91-88 
+ 0'-67 
2'-42 
07' 03" 
462-4 
92-48 
+ l'-27 
3'-02 
07' 39" 
278-4 
92-80 
+ l'-59 
3'-34 
07' 58" 
456-2 
91-24 
+ 0'-03 
l'-78 
06' 25" 
449-9 
89-98 
-l'-23 
0'-52 
05' 09" 
448-0 
89-60 
-l'-6l 
0'-14 
05' 32" 
447-3 
89-46 
-l'-75 
O'-OO 
05' 38" 
449-2 
89-84 
-l'-.37 
0'-38 
05' 01" 
a 
1 = 1' X 1-000158 = 1'-000158. Declinometer No. II. 
Sums 
Means of 2 days ... 
Diurnal changes 
Diurnal oscillation ... 
Diurnal decrination . 
98-2 
49-10 
— 0'-55 
2'-13 
06' 15" 
+ 1° 
98-9 
49-45 
-0'-20 
2'-50 
06' 36" 
100-1 
50-05 
-j-0'-40 
3'- 10 
07' 12" 
102-1 
51-05 
-i-l'-40 
4-10 
08' 12" 
100-7 
50-35 
+ 0-70 
3'-40 
07' 30" 
98-6 
49-30 
— 0 -35 
2'-35 
06' 27" 
96-0 
48-00 
-l'-65 
l'-05 
05' 09" 
94-5 
47-25 
_2'-40 
0-30 
04' 24" 
93-9 
46-95 
-2'-70 
O'-OO 
04' 06" 
94-6 
47-30 
-2'-35 
0'-35; 
04' 27"i 
: 
Observatory at Batavia. — Hourly observations made during the Month of 
“(l+l 
-')= 1' X 1-000207 = l'-000207. Declinometer No. I.j 
/ 1 
Sums 
Means of 19 days ... 
Diurnal changes ... 
Diurnal oscillation... 
Diurnal declination 
1514-8 
84-16 
0-0 
2'-3 
49' 01" 
1 +0° 
1592-5 
83-82 
-0'-4 
l'-9 
48' 37" 
1593-3 
83-86 
— 0'-3 
2'-0 
48' 43" 
1589-8 
83-67 
-0'-5 
l'-8 
48' 31" 
1589-0 
83-63 
-0'-6 
i'-7 
48' 25" 
1587-7 
83-56 
-0-6 
l'-7 
48' 25" 
1570-5 
82-66 
-l'-5 
0’-8 
47' 31" 
1559-3 
82-07 
— 2'-l 
0'-2 
46' 55" 
1556-0 
81-89 
-2’-3 
O'-O 
46' 43" 
1563-8 
82-30 
-l'-9 
0'-4 
47' 07" 
1576-9 
82-99 
-l'-2 
I'-l 
47' 49" 
1598-1 
84-11 
-O'-i 
2'-2 
48' 55" 
l623-e 
85-41 
+ l'-5 
3'-: 
50' 13' 
