LIEUT.-COLONEL SABINE ON TERRESTRIAL MAGNETISM. 
15 
Table I. (Continued.) 
Position. 
2 ^ 
g <v 
Ship’s head. 
Intensity. 
1839. 
Time of day. 
Method employed. 
r— 1 
observed. 
~ 3 
Lat. 
Long. E. 
H 
London = 1-000 
= 1-372. 
li m 
Nov. 9- 
22 18 
340 03 
9 A.M. 
S. 
33 
13 
74 
•874') 
to 
N. 
25 
31 
•874 
1 1 A.M. 
2 P.M. 
S. and N. 
N. 
47 
25 
24 
29 
•871 
•878 
OO 
M99 
3 P.M. 
weight 1 grain. 
11 
58 
73 
•885 
weight 2 grains. 
25 
30 
•862 J 
10. 
20 54 
339 18 
1 P.M. 
S. 
33 
32 
74 
•86 r 
weight 1 grain. 
12 
4 
•880 
> -867 
M90 
weight 2 grains. 
25 
38 
76 
•859 J 
11. 
19 8 
338 07 
9 A.M. 
S. 
33 
56 
•846" 
N. 
25 
54 
•859 
-854 
1-171 
S. and N. 
47 
49 
•858 J 
12. 
17 10 
336 55 
10 30 A.M. 
S. 
34 
8 
78 
•8 391 
N. 
26 
0 
•855 
Noon, to 
S. and N. 
weight 1 grain. 
48 
12 
4 
14 
78 
•850 
•866 
y -849 
1-164 
1 P.M. 
weight 2 grains. 
26 
6 
•845 
weight 3 grains. 
41 
0 
•840 J 
14. 
Quail Island. 
10 A.M. 
S. 
34 
4 
91 
•841" 
to Noon. 
N. 
25 
59 
•855 
14 541336 30 
S. and N. 
48 
15 
Observed , 
on shore. ' 
•844 
T#H 
00 
1-157 
1 30 p.m. 
weight 1 grain. 
12 
36 
93 
•844 
weight 2 grains. 
26 
0 
•850 
weight 3 grains. 
41 
41 
J 
•831 J 
18. 
Porto I'raya. 
6 to 
S. 
33 
57 
74 
N.E. 
•845 
7 30 A.M. 
S. 
34 
34 
76 
E. 
•822 
8 to 
S. 
33 
53 
78 
N. 
•847 
9 30 a.m. 
S. 
34 
30 
79 
W. 
•825 
> -840 
1-153 
10 to 
S. 
34 
19 
80 
S. 
•833 
11 30 a.m. 
S. 
33 
13 
80 
N.W. 
•872 
0 45 p.m. 
S. 
34 
21 
80 
S.E. 
•830 
3 0 p.m. 
s. 
33 
57 
84 
S.W. 
•845J 
21. 
12 39 
335 35 
9 30 to 
s. 
34 
4 
79 
S.W. 
•841" 1 
11 A.M. 
N. 
26 
8 
•849 
S. and N. 
48 
51 
•827 
-831 
1-140 
weight 1 grain. 
13 
2 
•815 
weight 2 grains. 
26 
50 
•824j 
. 
22. 
11 19 
335 07 
Noon to 
S. 
34 
46 
81 
S.W. 
•815" 
1 30 p.m. 
N. 
27 
6 
•811 
y -8i3 
1-115 
S. and N. 
49 
24 
•812j 
23. 
9 48 
334 41 
11 30 A.M. 
S. 
35 
1 
84 
S.W. 
•806" 
to 
N. 
27 
20 
•802 
1 P.M. 
S. and N. 
49 
50 
•800 
y -793 
1-088 
3 to 
weight 1 grain. 
13 
45 
83 
•773 
4 P.M. 
weight 2 grains. 
28 
24 
•786^ 
25. 
6 52 
333 55 
10 A.M. 
S. 
35 
59 
83 
S.S.W. 
•77 2 " 
N. 
28 
38 
•756 
> -763 
S. and N. 
51 
6 
•767 
1-046 
weight 1 grain. 
14 
3 
•757 
26. 
weight 2 grains. 
29 
14 
• 761 J 
5 13 
333 35 
10 A.M. 
S. 
36 
13 
83 
s.s.w. 
•764 
N. 
29 
1 
•743 
y 752 
1-032 
S. and N. 
51 
51 
*748 J 
29. 
3 20 
332 48 
10 A.M. 
S. 
37 
8 
82 
s.w. by s. 
•734" 
> -732 
N. 
29 
23 
•731 
1-004 
S. and N. 
52 
29 
•732 J 
