LIEUT.-COLONEL SABINE ON TERRESTRIAL MAGNETISM. 
193 
Observations of the Inclination in H.M.S. Erebus, from September 1 840 to April 1841 . 
made with Needle R. F. 4. 
Observers Captain Ross and Lieutenant Smith, R.N. 
0. 
Position. 
Time of 
day. 
Method 
employed. 
Observed 
Inclination. 
Face east. 
Lat. 
Long. 
h 
m 
Magnetic Observa- 
tory, Van Diemen 
.17. 
Island. 
2 
P.M. 
Direct. 
-71 
06-8 
-42 52 
147 24 
S. at 20°. 
-71 
13-4 
N. at 20°. 
-71 
12-1 
S. 
-71 
15-1 
19- 
11 
A.M. 
Direct. 
-71 
02-8 
28. 
2 
P.M. 
Direct. 
-71 
05-7 
3 
P.M. 
Direct. 
-70 
58-4 
29. 
1 
P.M. 
Direct. 
-71 
05-2 
S. at 20°. 
-71 
09-9 
to 
S. at 20°. 
-71 
07-2 
N. at 20°. 
-70 
58-5 
3 
P.M. 
Direct. 
-71 
02-6 
17. 
At anchor. 
1 
30 p.m. 
Direct. 
-70 
39-1 
S. 
-70 
42-8 
Direct. 
-71 
46*7 
S. 
-71 
48-5 
2 
P.M. 
Direct. 
-70 
29-9 
S. 
-70 
33-4 
Direct. 
-70 
35-6 
S. 
-70 
44-1 
21. 
2 
30 P.M. 
Direct. 
-71 
00-5 
S. 
-70 
49-6 
1 
45 p.m. 
Direct. 
-72 
06-7 
Direct. 
-72 
12-6 
29. 
6 
A.M. 
Direct. 
-72 
20-9 
S. 
-72 
18-7 
Direct. 
-72 
12-5 
S. 
— 72 
07-8 
Direct. 
-72 
10-3 
S. 
-71 
54-8 
Direct. 
-72 
01-6 
S. 
-71 
59-6 
Direct. 
-71 
22-5 
S. 
-71 
30-0 
Direct. 
-72 
17-0 
S. 
-72 
29-4 
Direct. 
-72 
37-8 
S. 
-72 
24-3 
Direct. 
-71 
21-0 
S. 
-71 
24-5 
Direct. 
-71 
38-0 
S. 
-71 
44-7 
Direct. 
-71 
57-7 
S. 
-71 
34-9 
Direct. 
-70 
52-0 
S. 
-70 
43*7 
Direct. 
-70 
38-5 
S. 
-70 
32-3 
Direct. 
-70 
16-9 
S. 
-70 
17-0 
Direct. 
-70 
16-7 
S. 
-70 
16-2 
iiip’s head. 
Correc- 
tion for 
ship’s 
attrac- 
tion. 
Mean In- 
clination. 
Face east. 
/ 
o / 
Ibserved "1 
n shore, j 
—71 06 
s.E. by s. 
-43 
-71 24 
w. 
+ 24 
-71 24 
s. by e. 
-61 
-71 33 
S.S.E. 
-53 
-71 33 
S.E. 
— 32 
-71 27 
W.N.W. 
+ 46 
-71 24 
N. 
+ 74 
-71 06 
N.N.E. 
+ 70 
-71 00 
N.E. 
+ 64 
-70 58 
E.N.E. 
+ 46 
-71 15 
E. 
+ 24 
-71 02 
N.N.W. 
+ 71 
-71 12 
N.W. 
+ 64 
-71 27 
W.S.W. 
- 3 
—71 26 
W. 
+ 24 
-71 17 
W.N.W. 
+ 46 
-71 00 
s.w. 
-32 
-71 20 
s.s.w. 
-52 
-71 27 
s. 
-61 
-71 18 
S.S.E. 
-53 
-71 09 
True 
Inclination. 
-70 38 
>-70 45 
Remarks. 
