LIEUT.-COLONEL SABINE ON TERRESTRIAL MAGNETISM 
29 
Table II. (Continued.) 
1840. 
Position. 
Time of day. 
Method employed. 
Deflection 
O . 
a ss 
Ship’s head. 
Intensity. 
observed. 
<13 OJ 
Lat. 
Long. E. 
London 
= 1 - 000 . 
= 1-372. 
Jan. 25. 
O ! 
-14 55 
351 52 
h m 
9 15 a.m. 
N. 
° ' 
45 36 
o 
77 
s.s.w. 
•596^ 
S. 
weight *5 grain. 
38 40 
26 39 
77 
77 
•608 
•600 
O 
A 
•829 
weight *3 grain. 
15 21 
77 
•6ll J 
26. 
— 15 14 
352 03 
9 15 a.m. 
N. 
45 08 
77 
•6on 
S. 
weight • 5 grain. 
38 32 
26 25 
77 
77 
•610 
•607 
> -605 
•830 
weight *3 grain. 
15 31 
77 
•604j 
27- 
— 15 11 
352 32 
9 15 a.m. 
N. 
45 31-5 
77 
E.N.E. 
•597H 
9 15 
9 15 
S. 
weight - 5 grain. 
38 27 
26 33 
77 
77 
•611 
•602 
>• -601 
•825 
9 15 
weight - 3 grain. 
15 45 
77 
•595 J 
27. 
— 15 13 
352 33 
10 20 A.M. 
N. 
45 0 
77 
s. \ w. 
•603^) 
S. 
weight # 5 grain. 
38 41 
25 40 
77 
77 
•608 
•621 
•6l2j 
>> -611 
•838 
weight *3 grain. 
15 18-5 
77 
28. 
-15 19 
353 6 
9 40 a.m. 
N. 
45 17 
76 
s.s.w. 
• 600 ^ 
S. 
weight *5 grain. 
38 30 
26 29 
76 
76 
•610 
•603 
> -607 
•834 
weight ’3 grain. 
15 30 
76 
•615 J 
28. 
-15 20 
353 07 
10 40 a.m. 
N. 
45 29 
76 
E.N.E. 
•597^ 
S. 
weight *5 grain. 
39 02 
25 56 
76 
76 
•602 
•604 
> -604 
CTi 
QO 
weight ‘3 grain. 
15 18 
76 
•613 J 
29. 
— 15 00 
353 36 
9 30 a.m. 
N. 
45 58 
78 
n.e. by e. 
•592' 
S. 
39 14 
78 
•599 
} *597 
•818 
weight *3 grain. 
15 36 
78 
•601 J 
29. 
-15 02 
353 36 
10 45 a.m. 
N. 
45 39 
78 
S. | w. 
•5951 
S. 
weight *5 grain. 
38 28 
26 19-5 
78 
78 
•611 
•607 
> -600 
•824 
weight *3 grain. 
15 58 
78 
•588_, 
30. 
-15 10 
354 5 
10 10 a.m. 
N. 
45 47 
77 
S.S.W. 
•594-) 
S. 
weight '5 grain. 
38 37 
26 12 
77 
77 
•609 
•609 
>• -608 
•835 
weight *3 grain. 
15 10 
77 
•618 
31. 
-15 40 
354 19 
9 15 a.m. 
N. 
45 03 
78 
s. by w. 
•603- 
S. 
weight ’5 grain. 
39 17 
27 02-4 
78 
78 
•598 
•592 
> -598 
•820 
weight *3 grain. 
15 41 
78 
•598^ 
Feb. 3. 
— 15 55 
354 17 
0 45 p.m. 
N. 
44 21*2 
81 
r 
•6in 
Sister’s Walk, 
weight ’5 grain. 
26 09-8 
81 
•611 
> -611 
•838 
St. Helena. 
weight ‘3 grain. 
15 21-7 
81 
•61 ij 
I 
5. 
Longwood. 
N. 
46 07 
70 
[Observed 
• 591 - 
weight *5 grain. 
27 10 
70 
on shore. 
•589 
weight *5 grain. 
27 06-5 
70 
> *587 
•805 
weight *3 grain. 
16 07-1 
70 
•582 
weight ’3 grain. 
16 06-4 
70 
-J 
10. 
-17 14 
353 33 
9 40 A.M. 
N. 
44 42 
77 
s.w. by s. 
•606- 
S. 
39 09 
77 
•600 
S. 
38 47 
77 
•606 
V -600 
•824 
weight *5 grain. 
26 46 
77 
•597 
weight *3 grain. 
15 55 
77 
•590 
11. 
18 33 
352 52 
9 15 a.m. 
N. 
S. 
45 12 
39 04 
76 
76 
s.w. 
•601 
•601 
• -601 
•825 
12. 
—20 22 
352 06 
9 20 a.m. 
N. 
45 10 
77 
s.s.w.|w. 
• 601 - 
S. 
weight *5 grain. 
38 17 
26 20 
77 
77 
•598 
•607 
> -598 
•820 
weight '3 grain. 
16 02 
77 
•585^ 
1 
