Capt. Sabine's observations on the magnetic needle. *43 
Observations to determine the variation of the needle, made on shore, or on the ice. Observer , 
Captain Sabine. 
1818 . 1 
lean Green- 
wich time. 
Latitude. 
Longitude. 1 
h. 
m. 
s. 
O 
0 
/ 
June 9 
22 
0 
0 
58 
23IN. 
53 
47 W. 
1 1 
23 
20 
0 
58 
14 
54 
15 
12 
O 
0 
0 
58 
14 
54 
15 
>7 
8 
20 
O 
7 ° 
26£ 
54 
52 
17 
8 
30 
0 
7 ° 
264 
54 
52 
18 
8 
28 
0 
7 ° 
26£ 
54 
5 2 
18 
8 
35 
0 
7 ° 
2 6£ 
54 
52 
18 
23 
20 
0 
70 
26i 
54 
52 
27 
9 
CO 
00 
7 1 
°2f 
54 
13 
27 
9 
20 
00 
7 i 
°2f 
54 
13 
27 
9 
40 
00 
7 i 
54 
13 
27 
10 
OO 
00 
7 i 
°2l 
54 
13 
27 
10 
20 
00 
7 i 
02j 
54 
13 
July 4 
10 
45 
00 
72 
44 i 
5 6 
49 
6 
9 
12 
0 
73 
2 H 
57 
32 
12 
23 
3 ° 
O 
74 
Oix 
57 
5* 
2 1 
10 
°5 
0 
74 
58 3 
59 
16 
22 
23 
02 
0 
75 
04 
60 
03 
28 
10 
20 
0 
75 
28 
60 
34 $ 
3 o 
8 
17 
0 
75 
32 
61 
O 
30 
10 
20 
0 
75 
32 
61 
O 
Aug. 2 
10 
00 
00 
75 
442 
64 
O 
2 
10 
10 
OO 
75 
44 s 
64 
0 
4 
O 
12 
3 ° 
75 
59 
64 
32 
6 
9 
34 
0 
7° 
5 ®i, 
64 
34 
12 
0 
00 
5 i 
75 
54 J 
65 
3 ° 
12 
a 
12 
5 1 
75 
541 
65 
30 
12 
0 
29 
3 ° 
7 5 
54 i 
65 
3 ° 
19 
2 
13 
00 
76 
3° 
72 
35 
19 
2 
33 
00 
76 
3° 
72 
35 
*9 
2 
33 
00 
76 
3° 
72 
35 
22 
9 
00 
00 
76 
32! 
76 
52$ 
25 
8 
27 
to 
76 
o8| 
7 8 
21 
25 
8 
27 
to 
76 
c 8 £ 
7 8 
21 
25 
10 
03 
00 
76 
°8| 
7 8 
21 
25 
10 
08 
00 
76 
08L 
7 8 
21 
Sept.i 
8 
3° 
00 
7 o 35 s 
66 
55 i 
1 
8 
36 
00 
7o 35 s 
66 
55 f 
1 
8 
4° 
00 
7 ° 35 s 
66 
552 
Observed Altitude. 
0 / 
48 23 
63 20 
70 02 
56 15 
55 3 2 
55 20 
55 33 
53 57 
64 43 
50 18 
49 18 
47 °7 
44 3 6 
42 07 
37 18 
49 i° 
55 11 
3 8 49 
45 4 6 
35 °4 
48 23 
36 29 
17 33 
17 01 
4 6 39 
37 27 
40 19 
40 59 
43 3 6 
45 59 
47 27 
47 33 
36 54 
40 32 
40 14 
‘5 9 
58 Q 
33 9 
36 o 
34 Q 
52 Q 
45§ } 
35 9 5 
l8 Q 
13 9 
20 o 
05 
40 5 
175 
47 o 
005 
52 5 
57 e 
0 Q 
105 
57 9 
35 9 
15 L. 
25 L. 
55 9 
20 Q 
34 g 
55 S 
28 s 
50 9 
IO Q 
40 Q 
4° 9 
306 
05 o 
30 06 47 o 
28 25 25 Q 
13 27 30 L. 
12 59 47 L. 
12 39 33 L - 
Observed 
azimuth. 
156 27 
175 47 
86 16 
332 54 
334 °5 
332 52 
334 24 
!84 35 , 
343 261 
34 6 33 i 
349 54 ’ 
353 35 i 
7 2 4 : 
7 i 3 i 
348 16 
1 86 49“ 
o 33 i 
185 16 
7 4 ° 
33 6 24- 
o 55- 
2 26 
4 3 i 
204 01 
354 24 
240 32 
34 8 5 6 
34 i ° 5 i 
34i i7l 
4 °5 
5 
33° 4+ 
Compass. 
True 
azimuth. 
Variation. 
Remarks. 
I 
88 55 i 
67 31! w. 
2 
108 07 
67 40 
I 
I 18 12 
68 04 
1 
260 08 
72 46 -x 
72 53 s | 
I 
261 III 
I 
261 33 
71 19 'v, 
Observatory, Hare Island. 
I 
263 io| 
7 i 135 1 
71 39 l ^ 
I 
i i 2 55 s 
1 
268 13J. 
75 13 
I 
271 13 
75 2o| 
I 
274 23 
75 3 i 
I 
278 0 
75 35 
I 
281 364 
75 4 8 
I 
I 
288 i8f 
268 15 
7 8 55 
80 01 
106 05! 
8 ° 43 t 
On Baffin’s three Islands. 
l 
276 OOg 
8 4 33 
I 
98 16J 
86 S 9 i 
I 
279 214 
88 i8| 
\ I 
248 46^- 
8 7 37 ? 
3 • 
272 4 i| 
88 1 3f 
1 
273 25 
89 01 
I 
275 37 t 
88 53 ? 
1 
1 13 43 t 
9 ° I 7 .T 
- 
I 
263 164 
9 i ° 7 t 
I 
109 454 
92 45 r 
1 2 
no 504 
94 34 t 
J 1 & 2 
117 I2f 
93 39 t 
I & 2 
13 8 23 
102 09 
Compasses used alter- 
1 2 
143 375 
103 16 1 
\ 1 
i 44 035 
101 55 i 
nately. 
I 
241 00 
107 56 
Compasses used alter- 
2 2 
230 07 
no s8J 1 
1 1 
230 58 
254 5 6 
no 19I J 
nately. 
Observed by the silk line, the 
1 
109 09 1 
line of light not being per- 
2 3 
256 15 
109 j 
ceptible owing to the weather. 
I & 2 
244 c6 
86 38 | 
Dip of horizon allowed for 
51 feet 7 in. measured. 
1 2 
245 3 6 
87 224 7 
Compasses used alter- 
T 1 
246 41 
86 3H } 
nately. 
In the column of “ observed altitude,” g signifies the lower, and o the upper limb of the 
sun, the altitude being taken by reflection ; L, the lower limb by the natural horizon. 
