LI EUT.-COLONEL SABINE ON TERRESTRIAL MAGNETISM. 
31 
Table II. (Continued.) 
1840. 
Position. 
Time of day. 
Method employed. 
Deflectioi 
observed. 
Thermo- 
meter. 
Ship’s head. 
Intensity. 
Lat. 
Long. E 
London = l'OOO. 
= 1-372. 
| 
h 
m 
Feb. 21 
| OQ 
i 
56 
350 
42 
8 
45 A.M 
N. 
S. 
44 
38 
24 
28 
79 
79 
S.E. 
•610 
•611 
| -611 
•838 
22 
-31 
00 
353 
40 
9 
20 A.M 
N. 
S. 
43 
37 
18-5 
39-5 
79 
79 
S.E. | E. 
•626 
•625 
| -625 
•856 
23 
— 31 
40 
356 
30 
9 
10 A.M. 
N. 
S 
43 
37 
29-5 
21*1 
79 
79 
s.e. by e. 
•622 
•630 
| -626 
•857 
24 
J— 31 
13 
358 
26 
9 
15 A.M. 
N. 
S. 
43 
37 
34 
03 
79 
79 
E. \ S. 
•621 
•635 
| -628 
•862 
25 
— 30 
10 
359 
53 
9 
00 A.M. 
N. 
43 
14 
75 
E.N.E. 
•627 
| 
S. 
weight '5 
grain. 
37 
25 
33 
31 
75 
75 
•627 
•625 
> -625 
•858 
weight - 3 
grain. 
15 
04 
75 
•622 
25. 
-30 
12 
359 
54 
10 
00 A.M. 
N. 
S. 
43 
36 
04 
23 
75 
75 
s.s.w. 
•629 
•647 
\ *638 
•876 
26. 
-31 
07 
359 
28 
9 
20 A.M. 
N. 
42 
21 
71 
s. by w. 
•641 
S. 
weight ‘5 
grain. 
36 
25 
18 
21 
71 
71 
•649 
•628 
> -640 
•878 
weight ‘3 
grain. 
14 
32-5 
71 
•644 
27. 
-31 
15 
359 
48 
9 
10 A.M. 
N. 
42 
45*2 
71 
S E. 
•634 
1 
S. 
weight *5 
grain. 
37 
24 
01 
23 
71 
71 
•636 
•651 
!> -639 
•876 
weight *3 
grain. 
14 
45 
71 
•634^ 
28. 
-31 
57 
2 
02 
9 
00 A.M. 
N. 
42 
15-6 
72 
S.E. \ s. 
•643 
> -647 
•888 
S. 
36 
11-5 
72 
•651 
29. 
-32 
35 
4 
20 
9 
40 A.M. 
N. 
41 
29-4 
70 
•656 
•892 
S. 
36 
33-4 
70 
S.E. 
•644 
> *050 
March 1. 
— 33 
02 
5 
40 
9 
00 A.M. 
N. 
41 
06 
71 
•664 
> -670 
•919 
S. 
34 
59 
71 
•677 j 
2. 
-33 
20 
7 
32 
9 
10 A.M. 
N. 
S. 
41 
35 
01-5 
19 
71 
71 
•666 
•671 
• -668 
•917 
3. 
-33 
10 
9 
02 
9 
30 A.M. 
N. 
40 
54-5 
70 
N.E. 
•668"' 
S. 
35 
09-6 
70 
•674 
S. 
34 
41-8 
70 
•683 
> -673 
•923 
weight *5 
grain. 
23 
39-3 
70 
•670 
weight *3 
grain. 
13 
55-5 
70 
•673 J 
4. 
— 33 
03 
9 
55 
9 
05 A.M. 
N. 
40 
16-1 
67 
S.E. \ S. 
•681 
•685 
•940 
S. 
34 
24-2 
67 
s.e. by s. 
•690 J 
5. 
-33 
08 
11 
43 
9 
15 A.M. 
N. 
39 
45-5 
68 
•693 i 
•698 
S. 
33 
53-8 
68 
•702 J 
*957 
6. 
-32 
56 
13 
48 
9 
15 A.M. 
N. 
S. 
39 
33 
35-7 
51*1 
70 
70 
s.e. by e. 
•696 
•703] 
•699 
•959 
7- 
-32 
14 
15 
20 
9 
30 A.M. 
N. 
39 
10-5 
70 
E.S.E. 
•705 
S. 
32 
35-7 
70 
•709 j 
•/ U/ 
*9/0 
8. 
— 32 
16 
16 
52 
9 
20 A.M. 
N. 
S. 
39 
33 
17-2 
12 
68 
68 
S.E. \ s. 
•703 ] 
•719] 
•711 
•975 
9. 
-32 
31 
17 
45 
9 
45 AM. 
N. 
S. 
39 
33 
49 
43-2 
6l 
61 
N.W. 
•691 
•706 ] 
•698 
•957 
10. 
— 32 
44 
16 
27 
9 
00 A.M. 
N. 
S. 
38 
32 
32-9 
51-6 
63 
63 
S.E. 
•720 
•728 ] 
•724 
•994 
11. 
-33 
01 
16 
41 
9 
20 A.M. 
N. 
39 
03-7 
69 
S.E. 4 E. 
•708 1 
•712 
S. 
33 
21-2 
69 
•716 ) 
•976 
12. 
-33 
13 
16 
46 
3 
45 p.m. 
N. 
S. 
38 
32 
23-4 
18-1 
69 
69 
S.S.E. 
•724 
•740 / 
•732 
1-004 
13. 
— 33 
52 
18 
04 
9 
0 A.M. 
N. 
S. 
38 
33 
35-6 
00 
65 
65 
s. by w. 
•719 1 
*725 / 
•722 
•991 
14. 
-34 
16 
17 
34 
9 
30 A.M. 
N. 
38 
31-8 
61 
e. by n. 
•721 1 
S. 
33 
50-7 
•703 / 
•/ 12 
•9/ 0 
