MAGNETIC SURVEY OF A PART OF THE SOUTHERN HEMISPHERE. 
405 
Observations of the Magnetic Force. (Continued.) 
. 
Corrections. 
Angle of 
deflec- 
tion. 
Date. 
Lat. 
Long. 
Method 
employed. 
o c> 
a 
H 
Ship’s head. 
O 
Ship’s 
attrac- 
Tempe- 
rature. 
Corrected 
Intensity. 
Remarks. 
a 
tion. 
1845. 
o / 
O 
/ 1 
o 
Jan. 25. 
— 53 21 
7 32 
Def. N. 
43 
49 
41 
s.w.byw.^-w. 
1-145 
-■024 
+ •001 
1*122 
Def. S. 
43 
59 
41 
s.w.byw.gw. 
1-152 
-•024 
+ •001 
1-129 
Def. N.S. 
Mag. N. 
61 
42 
56 
39 
41 
39 
s.w. byw.g-w. 
s.w.byw.gw. 
1-147 
1-159 
-•024 
— 024 
+ •006 
+ •002 
1-129 
1-137 
+ 1-134 
Table steady ; pass- 
ing through 
streams of ice. 
26. 
Mag. S. 
42 
33 
39 
s.w.byw.|w. 
1-174 
— 024 
+ •002 
M52 J 
-54 02 
6 02 
Def. N. 
43 
43 
42 
w. by n. 
1-148 
-•012 
+ •001 
1-137 | 
Def. S. 
44 
14 
42 
w. by n. 
1-145 
— 012 
+ •001 
1-134 
Def. N.S. 
62 
09 
42 
w. by n. 
1-142 
— 012 
+ •006 
1-136 
Mag. N. 
Mag. S. 
43 
42 
00 
44 
40 
40 
w. by n. 
w. by n. 
1-142 
1-164 
— 012 
— 012 
+ •002 
+ •002 
1-132 
M54 
>1-141 
Very steady, small 
pieces of loose ice | 
about the ship. j 
wt. 1 gr. 
16 
40 
40 
w. by n. 
1-096 
— 012 
+ •002 
1-086* 
wt. 2 grs. 
34 
23 
40 
w. by n. 
1-164 
— 012 
+-•002 
1-154 
1 
27. 
— 55 18 
5 55 
Def. N. 
42 
50 
39 
s.s.w. \ w. 
1-184 
— 042 
+ •001 
1-143 
1-143 
Ship pitching 
31. 
— 61 14 
9 07 
Def. N. 
39 
38 
37 
S.S.E. 
1-324 
— 042 
+ •002 
1-284 1 
heavily, fresh | 
breezes. 
Def. S. 
40 
08 
37 
S.S.E. 
1-320 
— 042 
+ •002 
1-280 
Def. N.S. 
57 
04 
37 
S.S.E. 
1-331 
-•042 
+ •008 
1-297 
>*1-288 
Table steady, heavy j 
Mag. N. 
39 
45 
37 
S.S.E. 
1-310 
— 042 
+ •003 
1-271 
snow, passing J 
various icebergs. [ 
Mag. S. 
39 
30 
37 
S.S.E. 
1-349 
—042 
+ •003 
1-310 
Eeb. 1. 
-62 06 
12 52 
Def. N. 
38 
10 
37 
s.e. by s. 
s.e. by s. 
1-398 
— 040 
+ •002 
1-360 
1-349 
Much motion, table | 
unsteady. ' 
Def. S. 
38 
58 
37 
1-376 
-•040 
+ •002 
1-338 J 
1-307 1 
2. 
-61 56 
16 36 
Def. N. 
39 
17 
37 
S.E. ^ E. 
1-341 
-•036 
+ •002 
Def. S. 
39 
21 
36 
S.E. ^ E. 
1-357 
-•036 
+ •002 
1-323 
Def. N.S. 
56 
28 
36 
S.E. -g- E. 
1-358 
-•036 
+ •009 
1-331 
>*1-321 
Heavy snow, a head j 
Mag. N. 
39 
21 
36 
S.E. g- E. 
1-339 
-•036 
+ •003 
1-306 
sea, ship pitching 1 
violently. 
Mag. S. 
39 
08 
35 
S.E. -5- E. 
1-372 
-•036 
+ •003 
1-339 
4. 
-63 00 
20 40 
Def. N. 
38 
17 
39 
S. \ E. 
1-391 
-•051 
+ •001 
1-341 1 
| 
Def. S. 
38 
35 
39 
S. \ E. 
1-395 
-•051 
+ •001 
1-345 
Def. N.S. 
56 
04 
39 
S. \ E. 
1-376 
— -051 
+ •008 
1-333 
Mag. N. 
38 
17 
39 
S. i E. 
1-406 
-•051 
+ •002 
1-357 
^>1*347 
Water very clear 
from ice, a little 
motion. ? 
Mag. S. 
38 
35 
39 
S. } E. 
1-405 
— •051 
+ •002 
1-356 
wt. 1 gr. 
13 
26 
39 
S. £ E. 
1-353 
-•051 
— 002 
1-300* 
Vibration great. | 
wt. 2 grs. 
27 
58 
39 
S. \ E. 
1-402 
— •051 
-•002 
1-349 J 
5. 
-63 19 
21 48 
Def. N. 
38 
36 
37 
S.S.E. 
1-376 
-•046 
+ •002 
1-332 "" 
Def. S. 
38 
24 
37 
S.S.E. 
1-405 
-•046 
+ •002 
1-361 
Def. N.S. 
55 
38 
37 
S.S.E. 
1-397 
-•046 
+ •009 
1-360 
| 
Mag. N. 
Mag. S. 
38 
38 
27 
38 
36 
36 
S.S.E. 
S.S.E. 
1-396 
1-407 
-•046 
— •046 
+ •003 
+ •003 
1-353 
1-364 
[>1-362 
A heavy swell from 1 
S.E.,lightbreezes, fi 
table steady. 
wt. 1 gr. 
13 
51 
36 
S.S.E. 
1-313 
-•046 
—003 
1-264* 
wt. 2 grs. 
26 
57 
34 
S.S.E. 
1-450 
-•046 
—003 
1-401 
6. 
-64 25 
24 18 
Def. N. 
37 
17 
39 
S.S.E. g- E. 
1-447 
-•045 
+ •001 
1-403 
Def. S. 
37 
48 
39 
S.S.E. g- E. 
1-436 
-•045 
+ •001 
1'392 
>1-398 
Water perfectly 
7. 
-65 39 
28 48 
Def. N.S. 
Def. N. 
54 
36 
51 
34 
39 
41 
S.S.E. g- E. 
S. by E. g- E. 
1-436 
1-487 
-•045 
-•051 
+ •008 
+ •001 
1-399 
1-437 
1 
smooth, very 
steady. 
Def. S. 
37 
11 
41 
S. by E. g- E. 
1-472 
— •051 
+ •001 
1*422 
Def. N.S. 
54 
15 
41 
s. by e. g- e. 
1-466 
-•051 
+ •008 
1-423 
1 
Mag. N. 
37 
00 
41 
S. by E. g- E. 
1-499 
— •051 
+ •002 
1-450 
[>1-432 
Table steady, water S 
Mag. S. 
37 
20 
41 
s. by e. \ e. 
1-487 
— •051 
+ •002 
1-438 
smooth, no ice in ( 
sight. 
wt. 1 gr. 
13 
03 
39 
S.S.E. 
1-392 
-•050 
— 002 
1-340* 
wt. 2 grs. 
26 
28 
39 
S.S.E. 
1-475 
-•050 
-•002 
1-423 
8. 
—66 27 
30 45 
Def. N. 
36 
27 
34 
s.e. by e. 
1-494 
—•042 
+ •002 
1-454 " 
Def. S. 
36 
58 
34 
s.e. by e. 
1-483 
— ■042 
+ •002 
1-443 
Def. N.S. 
54 
05 
33 
s.e. by e. 
1-474 
—•042 
+ •011 
1-443 
S>l-448 
Fresh breeze, table 
Mag. N. 
37 
00 
30 
s.e. by e. 
1-499 
-•042 
+ •004 
1-461 
unsteady. 
Mag. S. 
37 
32 
30 
s.e. by e. 
1-475 
— •042 
+ •004 
1-437 
* Omitted in mean. 
MDCCCXLVI. 3 G 
