XXX 
CAPTAIN ELLIOT’S MAGNETIC SURVEY OF THE INDIAN ARCHIPELAGO, 
Table A 
Observatory at Singapore. — Hourly observations made during the Month 
Astron. Mean Time T 
of Station. J 
15. 
16. 
17. 
18. 
19. 
20. 
21. 
22. 
23. 
0. 
_)-^^ = 40"‘7 X 1’000451. Declinometer No. V. 
Sums 
Means of 14 days ... 
Diurnal changes ... 
Diurnal oscillation... 
Diurnal declination . 
592-5 
42-32 
— 0'-37 
2'-26 
36 ' 32 " 
+ 1° 
588-0 
42-00 
-0'-58 
2'-05 
36' 19" 
583-0 
41-64 
— 0'-83 
l'-80 
36' 04" 
562-4 
40-17 
-l'-83 
0'-80 
35' 04" 
546-0 
39-00 
— 2'-63 
o'-oo 
34' 16" 
554-7 
39-62 
— 2'-20 
0'-43 
34' 42" 
570-8 
40-77 
-l'-42 
l'-21 
35' 29" 
589-5 
42-11 
— 0'-51 
2'-12 
36' 24" 
607-0 
43-36 
+ 0'-34 
2'-97 
37' 15" 
626- 
44-7( 
+ l'-2! 
3'-9i 
38' 12 
Observatory at Pulo Booaya. — Hourly observations made during th( 
“1 
^+Mj = l' X 1-000158 = 1'-000158. Declinometer No. I 
Sums 
Means of 4 days ... 
Diurnal changes ... 
Diurnal oscillation... 
Diurnal declination . 
126-1 
42-03 
-0’-29 
l'-80 
29' 27" 
+ 1° 
161-9 
40-48 
— 1'-84 
0'-25 
27' 54" 
160-9 
40-23 
-2'-09 
O'-OO 
27' 39" 
162-8 
40-70 
-l'-62 
0'-47 
28' 07" 
165-6 
41-40 
-0'-92 
1'-17 
28' 49" 
169-5 
42-38 
+ 0'-06 
2'-15 
29' 48" 
173-6 
43-40 
+ l'-08 
3-17 
30' 49" 
175= 
43-9 
+ l'-6 
3’-7 
31' 22 
“( 
1 ^ 1-000139 = l'-000139. Declinometer No, 1.' 
Sums 
Means of 4 days ... 
Diurnal changes ... 
Diurnal oscillation... 
Diurnal declination . 
151-7 
50-57 
-0'-22 
2'-07 
29' 41" 
+ 1° 
195-8 
48-95 
— 1'-84 
0’-45 
28' 04" 
194-0 
48-50 
-2'-29 
O'-OO 
27' 37" 
194-6 
48-65 
-2'-14 
0''15 
27' 46" 
198-8 
49-70 
-l'-09 
l'-20 
28' 49" 
203-6 
50-90 
+ 0-11 
2'-40 
30’ 01" 
207-4 
51-85 
+ l'-06 
3'-35 
30' 58" 
209 
52-^ 
+ 1'-^ 
3'-; 
31' 2i 
Observatory at Carimon Island. — Hourly observations made during tl 
1 
f 
i- 
= 1' X 1-000158 = l'-000158. Declinometer No 
Sums 
Means of 6 days ... 
Diurnal changes ... 
Diurnal oscillation... 
Diurnal declination 
199-1 
39-82 
— 0'-18 
T-60 
23' 07" 
+ 1° 
233-4 
38-90 
-I'-IO 
0'-68 
22' 12" 
229-3 
38-22 
— 1'-78 
O'-OO 
21' 31" 
232-0 
38-67 
-l'-33 
0'-45 
21' 58" 
238-7 
39-78 
— 0'-22 
1'-56 
23' 05" 
244-9 
40-82 
+ 0'-82 
2'-60 
24' 07" 
248-2 
41-37 
+ i'-37 
3'-15 
24' 40'' 
24< 
41- 
+ 1'- 
3'- 
24' 5 
1 
1 
