MAGNETIC SURVEY OF A PART OF THE SOUTHERN HEMISPHERE. 
407 
Observations of the Magnetic Force. (Continued.) 
-fe* 
Corrections. 
Date. 
Lat. 
Long. 
Method 
employed. 
Angle ol 
deflec- 
tion. 
Tempo 
ture 
Ship’s head. 
£ 
<1? 
Ship’s 
attrac- 
Tempe- 
rature. 
Corrected 
Intensity. 
Remarks. 
tion. 
1845. 
O 
1-566 
Feb. 26. 
-61 29 
57 33 
Def. N. 
35 
11 
40 
S.E. g- E. 
— *044 
+ *001 
1-523 ~ 
Def. S. 
35 
46 
40 
S.E. \ E. 
1*552 
— •044 
+ *001 
1-509 
Def. N.S. 
52 
55 
40 
S.E. ± E. 
1*541 
— *044 
+ *009 
1-506 
—61 22 
57 41 
Def. N. 
35 
07 
40 
S.E. 
1*571 
— •046 
+ *001 
1-526 
Def. S. 
35 
57 
58 
40 
S.F. 
1*540 
-*046 
+ *001 
1*495 
>1-506 
Fresh breezes, table 
steady. 
Def. N.S. 
52 
40 
S.E. 
1*540 
-•046 
+ *009 
1-503 
Mag. N. 
36 
24 
39 
S.E. 
1*543 
-*046 
+ *003 
1-500 
Mag. S. 
36 
22 
38 
S.E. 
1*553 
-*046 
+ *003 
1-510 
wt. 1 gr. 
12 
41 
38 
S.E. 
1*432 
-*046 
-*003 
1-383* 
wt. 2 grs. 
25 
29 
38 
S.E. 
1*528 
— *046 
-*003 
1-479 J 
27- 
-61 10 
64 20 
Def. N. 
34 
35 
39 
S.S.E. y E. 
1*602 
_*048 
+ *002 
1*556 
1-560 
Very unsteady. 
Def. S. 
34 
49 
39 
S.S.E. E. 
1*610 
— •048 
+ *002 
1*564 
28. 
-61 49 
71 30 
Def. N. 
33 
47 
38 
S.S.E. 
1*651 
-*049 
+ *002 
1.604 i 
Def. S. 
34 
15 
38 
S.S.E. 
1*644 
-*049 
+ •002 
U597 
Very unsteady. 
Def. N.S. 
51 
17 
37 
S.S.E. 
1*635 
-*049 
+ •010 
1*596 
Mag. N. 
34 
35 
37 
S.S.E. 
1*680 
-*049 
+ •003 
1-634 
>1-605 
Mag. S. 
35 
15 
35 
S.S.E. 
1*637 
-*049 
+ •003 
1*591 
Table steady. 
-61 49 
71 32 
Def. N. 
33 
26 
35 
S.S.E. 
1*675 
-*049 
+ •002 
1-628 
Def. S. 
34 
27 
35 
S.S.E. 
1*632 
-*049 
+ •002 
1-585 
Def. N.S. 
51 
05 
35 
S.S.E. 
1*646 
-*049 
+ •011 
1-608 
Mar. 1 . 
-62 10 
72 25 
Def. N. 
33 
14 
46 
s.e. by s. 
1*687 
_*047 
+ •002 
1-642 ^ 
Def. S. 
33 
31 
46 
s.e. by s. 
1*692 
— *047 
+ •002 
1-647 
Def. N.S. 
50 
33 
46 
s.e. by s. 
1*680 
_*047 
+ •006 
1-639 
' 
Mag. N. 
34 
24 
46 
s.e. by s. 
1*695 
— *047 
+ •002 
1 *650 
>1-642 
Calm, table steady. 
Mag. S. 
34 
49 
46 
s.e. by s. 
1*673 
— •047 
+ •002 
1-628 
wt. 1 gr. 
10 
37 
46 
s.e. by s. 
1*706 
_*047 
— •002 
1-657* 
wt. 2 grs. 
22 
49 
46 
s.e. by s. 
1*695 
— *047 
-•002 
1-646 
2. 
-62 47 
76 14 
Def. N. 
33 
15 
42 
s.e. by E.-g- e. 
1*687 
— •047 
+ •001 
1-641 " 
] 
Def. S. 
33 
30 
42 
s.e. by e. g e. 
1*693 
*041 
+ •001 
1-653 
| 
Def. N.S. 
50 
26 
42 
s.e. by E.-g- e. 
1*686 
_*041 
+ •008 
1*653 
| 
Mag. N. 
34 
15 
42 
s.e. by E.-g- e. 
1*706 
— •041 
+ •003 
1-668 
1 
Mag. S. 
wt. 1 gr. 
34 
11 
40 
02 
42 
42 
s.e. by E.-g- e. 
S.E.bv E.-g- E. 
1*685 
1*643 
— •041 
_*041 
+ •003 
-•003 
1-647 
1-599* 
>1-653 
Steady breeze, table 
steady. i 
| 
wt. 2 grs. 
22 
31 
42 
s.e. by e. g- e. 
1*716 
_*041 
-■003 
1-672 
| 
-62 49 
76 16 
Def. N. 
32 
46 
42 
s. 
1*717 
— •056 
+ •002 
1*663 
j 
Def. S. 
33 
30 
42 
s. 
1*693 
_*056 
+ •002 
1-639 
Def. N.S. 
50 
24 
42 
s. 
1*688 
_*056 
+ •008 
1*640 
3. 
-64 20 
79 38 
Def. N. 
32 
32 
34 
s. bv w.g-w. 
1*732 
— •054 
+ •003 
1-681 
Def. S. 
32 
58 
32 
s. by w.g-w. 
1*728 
-•054 
+ •003 
1-677 
>1-678 
Fresh breeze, un- 
Def. N.S. 
49 
56 
31 
s. by w.g-w. 
1*717 
_*054 
+ •014 
1-677 , 
r ‘ 
steady, thick, with 
squalls of snow. 
5. 
—61 42 
85 07 
Def. N. 
31 
35 
36 
S.E. \ E. 
1*795 
-*049 
+ •002 
1-748 ' 
Def. S. 
32 
09 
37 
S.E. g- E. 
1*783 
-*049 
+ •002 
1-736 
>1-730 
Unsteady ; aurora 
Def. N.S. 
49 
35 
37 
S.E. \ E. 
1*742 
-*049 
+ •012 
1-705 
visible. 
6. 
-60 48 
88 33 
Def. N. 
31 
34 
39 
S.E. 
1*796 
-•051 
+ •002 
1-747 ^ 
Def. S. 
32 
27 
39 
S.E. 
1*762 
-•051 
+ •002 
1-713 
Def. N.S. 
49 
32 
38 
S.E. 
1*746 
-•051 
+ •011 
1-706 
>1-747 
Very unsteady, with 
Mag. N. 
32 
38 
37 
S.E. 
1*833 
-•051 
+ •004 
1-786 
thick weather. , 
Mag. S. 
Def. N. 
33 
01 
37 
S.E. 
1*830 
-•051 
+ •004 
1-783 
7. 
— 61 23 
91 15 
31 
46 
41 
S.S.W. 
1*783 
-•053 
+ •002 
1-732 
Def. S. 
32 
14 
42 
S.S.W. 
1*779 
— •053 
+ •002 
1-728 
I 
Def. N.S. 
49 
00 
42 
S.S.W. 
1785 
— *053 
+ •009 
1-741 
>1-749 
Unsteady. 
Mag. N. 
32 
54 
42 
S.S.W. 
1*811 
-•053 
+ •003 
1-761 
| 
Mag. S. 
32 
57 
42 
S.S.W. 
1*834 
— •053 
+ •003 
1-784 
* Omitted in mean. 
3 g 2 
