408 MAGNETIC SURVEY OF A PART OF THE SOUTHERN HEMISPHERE. 
Observations of the Magnetic Force. (Continued.) 
Corrections. 
Angle of 
deflec- 
tion. 
ci 
Date. 
Lat. 
Long. 
Method 
employed. 
§ P 
S ** 
H 
Ship’s head. 
3 
Ship’s 
attrac- 
tion. 
Tempe- 
rature. 
Corrected 
Intensity. 
Remarks. 
1845. 
O t 
O 
/ 
Def. N. 
O ' 
o 
Mar. 8. 
-61 07 
92 
10 
31 13 
41 
E.S.E. 
1*824 
-*046 
+ *002 
1-780 ' 
Def. S. 
32 04 
40 
E.S.E. 
1*790 
— *046 
+ *002 
1-746 
>1*758 
Unsteady, with 
Def. N.S. 
49 04 
38 
E.S.E. 
1*782 
-*046 
+ *011 
1-747 _ 
r 
snow. 
9. 
-60 30 
92 
34 
Def. N. 
31 19 
40 
s.E. by E. 
1*817 
— *048 
+ *002 
1-771 ~ 
Def. S. 
32 09 
41 
s.E. by e. 
1*784 
— *048 
+ *002 
1-738 
>1*750 
Very unsteady. 
Def. N.S. 
49 08 
41 
s.E. by e. 
1*780 
-*048 
+ *010 
1-742 
10. 
-60 03 
96 
03 
Def. N. 
31 08 
39 
E.S.E. 
1*832 
-*046 
+ *002 
1*788 
- 1*770 
Def. S. 
31 56 
38 
E.S.E. 
1*796 
—046 
+ •002 
1-752 
Aurora visible, 
table steady. 
11. 
-59 45 
99 
50 
Def. N. 
29 54 
35 
E. \ N. 
1*919 
— *041 
+ •002 
1-880 " 
Def. S. 
30 31 
34 
E. i N. 
1*908 
— •041 
+ •002 
1-869 
Def. N.S. 
48 58 
34 
E. \ N. 
1*788 
— •041 
+ •013 
1-760 
Vl-836 
A heavy sea, very 
unsteady. 
Mag. N. 
32 21 
34 
E. i N. 
1*855 
-*041 
+ •004 
1-818 
Mag. S. 
32 23 
34 
E. | N. 
1*888 
— •041 
+ •004 
1*851 
13. 
-57 46 
99 
17 
Def. N. 
30 34 
46 
E.N.E. 
1*870 
-*039 
+ •001 
1-832 
> 1-813 
Def. S, 
31 28 
46 
E.N.E. 
1*831 
-*039 
+ •001 
1-793 
Very unsteady. 
14. 
— 56 56 
101 
36 
Def. N. 
30 31 
40 
e. by S. 
1*876 
— *047 
+ •002 
1-831 
Def. S. 
31 20 
41 
e. by s. 
1*842 
— 047 
+ •002 
1-797 
>1-802 
a . m . Aurora visible, 
Def. N.S. 
48 35 
41 
e. by s. 
1*816 
— •047 
+ •010 
1-779 , 
unsteady. 
15. 
-55 40 
103 
18 
Def. N. 
30 30 
41 
E.N.E. 
1*876 
—039 
+ •002 
1-839 ^ 
Def. S. 
31 10 
41 
E.N.E. 
T854 
-*039 
+ •002 
1-817 
>1-815 
Squally with snow, 
Def. N.S. 
48 34 
41 
E.N.E. 
1*817 
-*039 
+ •010 
1*788 
f 
16. 
-54 38 
106 
15 
Def. N. 
30 03 
39 
E. 
1*909 
— *045 
+ •002 
1-866 ^ 
Def. S. 
31 18 
38 
E. 
1*844 
— *045 
+ •002 
1-801 
>1*817 
Heavy squalls, un- 
Def. N.S. 
48 34 
38 
E. 
1*817 
— *045 
+ •012 
1-784 J 
steady, snow. 
17- 
-54 10 
108 
15 
Def. N. 
29 59 
39 
e. by s. 
1*913 
-*047 
+ •002 
1-868 1 
Def. S. 
31 05 
40 
e. by s. 
1*860 
-*047 
+ •002 
1-815 
>1*821 
A strong gale, very 
Def. N.S. 
48 34 
40 
e. by s. 
1*817 
-•047 
+ •011 
1*781 
unsteady. 
18. 
-53 00 
110 
30 
Def. N. 
30 28 
44 
N.E. 
1*878 
-*036 
+ •002 
1-844 
Def. S. 
31 14 
44 
N.E. 
1*849 
-*036 
+ •002 
1-815 
Def. N.S. 
48 -30 
43 
N.E. 
1*822 
—036 
+ •009 
1-795 
>1-825 
Unsteady, a heavy 
Mag. N. 
31 55 
43 
N.E. 
1*889 
-*036 
+ •003 
1*856 
swell from west- 
ward. strong 
Mag. S. 
32 48 
43 
N.E. 
1*850 
—036 
+ •003 
1-817 
breeze. 
20. 
-48 57 
112 
56 
Def. N. 
30 52 
47 
N.E. i N. 
1*849 
— •035 
+ •001 
1-815 'l 
Def. S. 
31 26 
48 
N.E. \ N. 
1*834 
-•035 
+ •001 
1-800 
Def. N.S. 
48 22 
48 
N.E. \ N. 
1*831 
— •035 
+ •006 
1-802 
Mag. N. 
Mag. S. 
32 20 
32 58 
49 
49 
N.E. \ N. 
N.E. N. 
1*857 
1*835 
— 035 
— 035 
+ •002 
+ •002 
1-824 
1-802 
>1-821 
Fresh breeze, very 
unsteady. 
wt. 1 gr. 
9 59 
50 
N.E. % N. 
1*813 
-•035 
-•002 
1-776* 
\vt. 2 grs. 
20 01 
50 
N.E. \ N. 
1*920 
— •035 
-•002 
1-883 
wt. 3 grs. 
31 32 
50 
N.E. \ N. 
1*859 
-*035 
-•002 
1-822 j 
22. 
-47 21 
115 
15 
Def. N. 
30 38 
50 
N.W. N. 
1*866 
-*029 
+ •001 
1-838 -) 
Def. S. 
30 34 
50 
N.W. i N. 
1*897 
-*029 
+ •001 
1-869 
Def. N.S. 
48 29 
50 
N.W. \ N. 
1*821 
-*029 
+ •005 
1-797 
s.1-842 
Light breeze, table 
Mag. N. 
32 07 
50 
N.W. y N. 
1*876 
-•029 
+ •002 
1-849 
steady, thick fog. 
Mag. S. 
32 26 
50 
N.W. N. 
1*885 
-•029 
+ •002 
1-858 
24. 
-45 08 
116 
50 
Def. N. 
Def. S. 
31 01 
31 21 
49 
50 
N. by E. 
N. by e. 
1*840 
1*838 
— *020 
—•020 
+ •001 
+ •001 
1-821 j 
1-819 
1-820 
A heavy swell from | 
westward, un- L 
25. 
-43 22 
116 
49 
Def. N. 
31 06 
55 
N. \ E. 
1*833 
-•020 
•000 
1-813 -| 
steady. 
Def. S. 
31 49 
55 
N. i E. 
1*807 
-•020 
•000 
1-787 
Def. N.S. 
48 57 
55 
N. | E. 
1*789 
— *020 
+ •002 
1-771 
Mag. N. 
32 33 
55 
N. jr E. 
1*840 
— *020 
+ •001 
1-821 
>1-804 
A heavy swell, un- 
Mag. S. 
33 24 
56 
N. i E. 
1*793 
— •020 
+ •001 
1-774 
steady. 
wt. 1 gr. 
10 20 
56 
N. i E. 
1*753 
— *020 
-•001 
1-732* 
wt. 2 grs. 
20 30 
56 
N. \ E. 
1*877 
— *020 
-•001 
1-856 
I 
* Omitted in mean. 
