20 
LIEUT.-COLONEL SABINE ON TERRESTRIAL MAGNETISM 
Table I. (Continued.) 
Position. 
Time of day. 
Method employed. 
Deflection 
O .• 
Intensity. 
1840. 
Ship’s head. 
observed. 
53 <u 
1 
Lat. 
jOng. E. 
£ 
H 
London = L000. 
= 1-372. 
o / 
li m 
s. 
o / 
o 
Jan. 11. 
-17 39 
346 10 
10 30 A.M. 
41 54 
78 
n.e. by e. 
•598" 
1 1 35 A.M. 
N. 
34 0 
N.N.E. 
•605 
-17 33 
346 13 
Noon. 
S. and N. 
59 10 
n.e. by e. 
•595 
>•597 
•820 
3 P.M. 
weight 1 grain. 
18 0 
72 
E.N.E. 
•594 1 
-17 19 
346 21 
6 P.M. 
weight 1 grain. 
17 57 
70 
S. 
•595 J 
12. 
1 1 30 A.M. 
S. 
41 54 
76 
N.E. by E. 
•598J 
-17 ll 
346 40 
Noon. 
0 30 p.m. 
N. 
S. and N. 
34 43 
59 7 
•588 
•596 
>•595 
•817 
2 p.m. 
weight 1 grain. 
17 55 
s. 
•597 J 
13. 
1 1 0 A.M. 
S. 
42 9 
e. by n. 
•592' 
11 30 A.M. 
N. 
34 20 
N.E. 
•597 
-16 35 
347 13 
Noon. 
2 P.M. 
S. and N. 
weight 1 grain. 
59 18 
17 58 
74 
e. by n. 
N.E. 
•593 
•595 
>•594 
•816 
2 30 p.m. 
weight 1 grain. 
17 59 
•595 
-16 25 
347 22 
3 30 p.m. 
weight 1^ grain. 
27 43 
•592 j 
14. 
10 30 A.M. 
S. 
42 6 
76 
N.E. by E. \ E. 
•5941 
11 15 a.m. 
N. 
34 22 
•596 
-15 19 
348 0 
Noon. 
S. and N. 
59 9 
•596 
<£> 
OD 
•821 
2 30 p.m. 
weight 1 grain. 
17 55 
•597 
-15 12 
348 02 
3 00 p.m. 
weight 1^- grain. 
27 6 
•606 J 
15. 
11 30 
S. 
42 18 
•589' 
— 15 20 
348 07 
Noon. 
N. 
34 30 
•593 
^•592 
•813 
0 30 p.m. 
S. and N. 
59 21 
•594 J 
16. 
10 30 A.M. 
S. 
41 53 
s.s.w. 
•5981 
11 15 a.m. 
N. 
34 20 
•597 
-15 49 
348 09 
Noon. 
S. and N. 
58 53 
•600 
>• 599 ' 
1 P.M. 
weight 1 grain. 
17 56 
76 
•596 
weight 1 grain. 
17 50 
•599 
weight 2 grains. 
S. 
38 16 
42 26 
e. by n. | n. 
•600 
•585" 
>•594 
•815 
N. 
34 49 
•587 
S. and N. 
59 22 
•593 
>•590 _ 
weight 1 grain. 
18 14 
76 
•587 
weight 1 grain. 
18 7 
•590 
weight 2 grains. 
38 31 
•597^ 
17- 
3 P.M. 
S. 
42 19 
E- 
•588'] 
-15 30 
348 51 
3 30 p.m. 
N. 
35 4 
•582 
>•589 
•810 
4 0 p.m. 
S. and N. 
59 38 
•589 
weight 1 grain. 
18 0 
•594^ 
18. 
— 14 37 
349 30 
9 30 A.M. 
S. 
42 12 
n.e. by e. 
•591 " 
11 A.M. 
S. 
41 53 
s. by w. 
•598 
1 1 20 A.M 
s. 
42 0 
s.w. by w. 
•596 
11 40 A.M. 
s. 
41 51 
N. by e. 
•599 
-14 36 
,349 31 
Noon. 
s. 
41 57 
n.e. by e. 
•596 
0 30 p.m. 
N. 
34 30 
•593 
*>•595 
•816 
1 0 p.m. 
S. and N. 
59 31 
•591 
— 14 31 
349 39 
2 0 p.m. 
weight 1 grain. 
17 55 
76 
•597 
2 30 p.m. 
weight 1 grain. 
17 56 
•596 
3 p.m. 
weight 2 grains. 
38 25 
•598 
-14 27 
349 50 
4 P.M. 
weight 2 grains. 
38 28 
•597^ 
19- 
-13 39 
350 29 
Noon. 
S. 
42 1 
E. by N. 
•596' 
3 P.M 
S. 
41 52 
s. by w. \ w. 
•598 
V599 
•822 
— 13 35 
350 36 
2 P.M 
weight 1 grain. 
17 41 
76 
s.s.w. 
•604 
t- 
20 
10 30 a.m. 
S. 
42 28 
E. A N. 
•584' 
1 1 15 A.M 
N. 
34 19 
•597 
>•592 
•813 
-14 19 
350 33 
Noon. 
S. and N. 
59 29 
•591 
weight 1 grain. 
17 55 
•597^ 
