LIEUT. -GENJEBAL SABINE ON TEEEESTEIAL MAGNETISM. 387 
Approximate Numerical Coefficients of the Magnetism of the Earth, Epoch 1840-1845, prepared 
for a revision of Gauss’s 4 Allgemeine Theorie des Erdmagnetismus.’ 
180°. 
190°. 
200°. 
210°. 
220°. 
230°. 
240°. 
250°. 
260°. 
270°. 
280°. 
290°. 
300°. 
310°. 
320°. 
330°. 
340°. 
350°. 
360°. 
j- Longitudes. 
Lat. 
14-5 e. 
13-2 e. 
115 E. 
lO'O E. 
9-3 e. 
9-3 e. 
10-6 e. 
12-7 e. 
15-1 E. 
18-3 e. 
19-2 e. 
17-6 e. 
14 5 e. 
9-4 e. 
3-1 E. 
3-1 w. 
9-4 w. 
15-5 w. 
21-2 w. 
Declination i 
626 
61-3 
600 
58-5 
57-8 
57-4 
56-6 
550 
53-3 
510 
48-8 
45 1 
41 7 
39-5 
38-0 
38-0 
397 
42-9 
47-5 
Inclination V 
-4(1 
12 2 
12-0 
11-8 
11-6 
11-55 
11-45 
11-25 
11-0 
10 7 
10-4 
9-8 
9-2 
8-6 
8-1 
7-7 
A 
6-9 
6-8 
70 
Intensity J 
15-8 e. 
14 4 e. 
12-8 e. 
11-7 E. 
110 E. 
110 E. 
12-3 e. 
14-3 e. 
17-4 e. 
20-5 e. 
21-2 e. 
19-4 e. 
16 0 e. 
10-7 e. 
47 e. 
H 
7-7 w. 
14 0 w. 
20 0 w. 
Declination ^ 
66-6 
65-6 
64-7 
63-5 
62-5 
62-0 
61*2 
60-2 
58-4 
56-2 
53-7 
50-5 
470 
44 2 
42-6 
42-6 
441 
46-9 
510 
Inclination J. 
-45 
12-8 
12-5 
12 3 
122 
12 15 
12-1 
11-9 
11-75 
115 
11-1 
10 5 
9-9 
9-3 
8-75 
8-3 
7-9 
7-6 
7-45 
7-55 
Intensity J 
17*5 e. 
15-9 e. 
14-2 e. 
13-1 E. 
12-7 e. 
12-8 e. 
13-8 e. 
16-3 e. 
19-6 e. 
22 6 e. 
23-6 e. 
21-6 e. 
17-6 e. 
12-4 e. 
6-3 e. 
0-2 w. 
6-2 w. 
12-5 w. 
1 8 0 w. 
Declination i 
70-4 
69-5 
68 6 
67-6 
66-7 
66 0 
65 1 
64-3 
62-7 
60-8 
580 
55-0 
51-8 
490 
474 
47-2 
48-4 1 
50-8 
54-2 
Inclination [ 
-50 
13 3 
13-05 
12-85 
128 
12-75 
12-7 
12 6 
12-4 
12-15 
11-8 
11-25 
10-55 
9-9 
9-4 
8-95 
8-6 
8-25 
8-1 
8-1 
Intensity J 
| 19-1 E. 
17-6 e. 
16 0 e. 
14-7 e. 
14-3 e. 
14-5 e. 
16-1 E. 
19-3 e. 
22-5 e. 
24-8 e. 
25-8 e. 
24 0 e. 
19 2 e. 
14-3 e. 
8-2 e. 
1-8 E. 
4-3 w. 
11-0 w. 
17-4 w. 
Declination 'j 
74-2 
730 
72-3 
71-3 
70-4 
69-7 
69-0 
68-1 
66-7 
64-5 
620 
59-2 
56-3 
53-7 
520 
51-9 
52-6 
54-4 
57-0 
Inclination l 
! — 55 
1 13-85 
13-6 
13-5 
13-4 
13-4 
13-35 
13-25 
13-1 
12-8 
12-5 
119 
112 
10-65 
101 
97 
9-3 
895 
8-7 
8-75 
Intensity J 
j 21-8 e. 
19-6 e. 
18-6 e. 
17-8 e. 
17-5 e. 
18-4 e. 
20-6 e. 
23-6 e. 
25 - 9 e. 
27-4 e. 
27-9 e. 
25-5 e. 
211 E. 
16 0 e. 
9-9 e. 
3-8 e. 
2-5 w. 
9-5 w. 
15-5 w. 
Declination ^ 
77-6 
76-6 
75-6 
74-7 
73-8 
72-8 
720 
71-2 
69-7 
675 
65-4 
62-9 
60-5 
58-3 
56-9 
56-4 
567 
57-8 
59-6 
Inclination \ 
-60 
14-2 
14-1 
14-05 
14-0 
140 
14-0 
13-9 
13-65 
13-4 
13 1 
12-5 
11-9 
11-3 
10-8 
10-4 
100 
97 
9-5 
9-15 
Intensity J 
27-0 e. 
25-5 e. 
24-0 e. 
23-2 e. 
23-0 e. 
24-2 e. 
26-0 e. 
27-5 e. 
28-6 e. 
29-7 e. 
29-7 e. 
26-7 e. 
22-5 e. 
17-2 e. 
110 E. 
1 4-6 e. 
1 1 '4 w. 
8-0 w. 
14-0 w. 
Declination 'i 
81-0 
80-0 
790 
78-0 
76-9 
75-7 
74-7 
73-6 
71-9 
700 
680 
660 
64-2 
62-5 
61-2 
60-8 
60-9 
61-4 
62-5 
Inclination !> 
-65 
14-6 
14-45 
14-35 
14-3 
14-25 
14-2 
14 15 
14-05 
13-85 
1345 
130 
12-4 
1 19 
11-45 
11 05 
107 
10-45 
10-25 
10-25 
Intensity J 
38 0 e. 
36-6 e. 
34-8 e. 
33-1 e. 
32-0 e. 
32 0 e. 
32 0 e. 
32-7 e. 
34-2 e. 
34-7 e. 
32 0 e. 
28-0 e. 
23-4 e. 
17 8 e. 
11-6 E. 
5 0 e. 
0-8 w. 
7 0 w. 
13-0 w. 
Declination i 
84-2 
83-2 
82-2 
81-0 
79-6 
78-3 
770 
175-5 
739 
72-1 
70-5 
68-8 
67-3 
661 
65-2 
L 
|64-6 
65-0 
65-7 
Inclination [ 
-70 
149 
14-75 
14-6 
14-55 
14-45 
14-4 
14-35 
14-2 
1405 
13 7 
13-3 
12-8 
12-4 
12-0 
117 
11-4 
11-2 
11-1 
11-0 
Intensity J 
73-0 e. 
66-0 e. 
60 0 e. 
56-6 e. 
53-0 e. 
49-5 e. 
47-5 e. 
45-5 e. 
43-4 e. 
40-0 e. 
34-8 e. 
28-5 e. 
23-6 e. 
17-8 e. 
12 0 e. 
5-0 e. 
0-8 w. 
67 w. 
12-4 w. 
Declination 'j 
I 86-5 
85-6 
84-6 
83-2 
81-7 
80-2 
78-8 
77-2 
75-7 
74-3 
72-8 
71 5 
70-4 
69-5 
68-9 
68-6 
68-5 
68-6 
69-0 
Inclination [■ 
-7a 
15-0 
14-9 
14-8 
14 7 
14-65 
14-55 
14-4 
14-25 
141 
13-9 
13-5 
13-2 
12 85 
12-55 
12-3 
12-1 
,, 
11-8 
11-8 
Intensity J 
I 

Declination ^ 
1 
860 
85-3 
84-6 
83-6 
82-3 
81-2 
800 
78 -7 
775 
764 
75-5 
74-5 
73-8 
731 
72-7 
724 
72-3 
72-5 
72-6 
Inclination > 
— S0| 
i 
15-05 
14-95 
14-8 
14-7 
14-6 
14 -5 e. 
14-35 
14-25 
14 1 
13-95 
13 7 
135 
13-2 
13 1 
12-9 
12-8 
12-6 
12-55 
12-5 | 
Intensity ) 


Declination "j 
83-2 
830 
82-6 
82-2 
81-6 
810 
80-5 
79-8 
79-3 
78-6 
780 
77-5 
770 
76-6 
76-4 
76-3 
76-1 
761 
76-4 
Inclination [ 
— 854 
i 
Intensity J 
1 
[Decimation 18<>-0 
The South Pole of the Earth < Inclination S00 
[intensity 14-0 
MDCCCLXVIII, 
o H 
