MAGNETIC SURVEY OF A PART OF THE SOUTHERN HEMISPHERE. 
373 
Observations of Declination. (Continued.) 
Date. 
Lat. 
Long. 
Observer. 
Declination 
observed. 
Ship’s head. 
Inclination. 
Corrections. 
Corrected Declination. 
Remarks. 
Ship’s 
attrac- 
tion. 
Index. 
1845. 
O / 
O / 
/ 
O 
/ 
/ 
O / 
O ' 
Feb. 6 a.m 
— 64 06 
23 17 
B. 
+ 28 41 
S.S.E. 
— 
42 
+ 52 
+ 28 51 
— 64 18 
24 05 
Cl. 
+ 28 29 
S.S.E. 
— 
42 
+ 52 
+ 28 39 
-64 18 
24 05 
Cl. 
+ 29 44 
S.S.E. 
— 
42 
+ 52 
+ 29 54 
-64 20 
24 02 
M. 
+ 29 57 
S.S.E. 
— 
42 
+ 52 
+ 30 07 
— 64 25 
24 10 
M. 
+ 28 43 
S.S.E. \ E. 
>-66 
39 
— 
48 
+ 52, + 28 47 
1 + 30 24 
Card steady. 
6 P.M. 
-64 35 
26 30 
Cl. 
+ 31 43 
s.e. by s. ^ s. 
— 
50 
+ 52. + 31 45 
-64 38 
26 35 
Cl. 
+ 31 22 
S.S.E. 
— 
42 
+ 52+31 32 
-64 38 
26 35 
Bn. 
+ 32 39 
S.S.E. 
— 
42 
+ 521 + 32 49 
-64 25 
26 28 
M. 
+ 31 06 
S.S.E. \ E. 
— 
48 
+ 52+31 10 
7 a.m. 
-65 30 
28 32 
M. 
+ 32 02 
s.e. by s. 
-1 
03 
+ 52, + 31 51' 
— 65 25 
27 45 
B. 
+ 32 46 
S.S.E. 
— 
42 
+ 52 +32 56 
-65 16 
27 45 
Cl. 
+ 30 41 
S.S.E. E. 
— 
52 
+ 52 +30 41 
—65 16 
27 45 
Cl. 
+ 31 16 
S.S.E. i E. 
— 
52 
+ 521 + 31 16 
— 65 16 
27 45 
Bn. 
+ 31 51 
S.S.E. E. 
— 
52 
+ 52,+ 31 51 
7 P.M. 
-66 02 
29 05 
B. 
+ 31 12 
S. | E. 
>-67 28 
— 
18 
+ 52, + 31 46 
1 + 31 37 
Compass steady. 
-66 02 
29 05 
Cl. 
+ 30 11 
S. \ E. 
— 
18 
+ 52, +30 45 
-66 02 
29 05 
M. 
+ 30 25 
S. | E. 
— 
18 
+ 52, + 30 59 
-66 02 
29 05 
B. 
+ 31 08 
S. \ E. 
— 
18 
+ 52+31 42 
-66 02 
29 05 
Bn. 
+ 31 00 
S. \ E. 
— 
18 
+ 52+31 34 
-66 02 
29 05 
Cl. 
+ 31 49 
S. jr E. 
— 
18 
+ 52, + 32 23 J 
9 P.M. 
— 66 26 
37 25 
Cl. 
+ 36 04 
s.e. by e. 
-1 
08 
+ 52, +35 481 
-66 26 
37 25 
Bn. 
+ 35 08 
s.e. by e. 
1-68 
49 
— 1 
08 
+ 52, + 34 52 
^ + 35 39 
Steady. 
-66 26 
37 25 
M. 
+ 36 34 
s.e. by e. 
1 
-1 
08 
+ 52 +36 18 
r 
10 A.M. 
-66 43 
38 32 
B. 
+ 37 20 
s. by w. y w. ~ 
) 
+ 
32 
+ 52, + 38 441 
-66 43 
38 32 
Cl. 
+ 35 26 
s.s.w. 
+ 
42 
+ 52i + 37 00 
10 P.M. 
-67 03 
38 32 
Bn. 
+ 34 23 
s.s.w. \ w. 
>-69 22 
+ 
52 
+ 52i + 36 07 
L + 37 43 
Steady. j 
-67 03 
38 32 
Cl. 
+ 35 10 
s.s.w. ^ w. 
+ 
521 + 52 +36 54 
-67 03 
38 32 
Cl. 
+ 39 35 
N. by w. 
— 
36 + 52, + 39 51 
1 1 A.M. 
-67 34 
39 41 
Bn. 
+ 40 06 
E. 
-2 
46 +52, + 38 121 
-67 34 
39 41 
Cl. 
+ 40 11 
E. by s. 
-2 
30 +52 +38 33 
-67 34 
39 41 
Cl. 
+ 39 26 
e. by s. 
-2 
30 +52 +37 48 
-67 34 
39 41 
Cl. 
+ 36 03 
s.w. by s. 
>-69 38 
+ 1 
00, + 52, + 37 55 
>>+38 13 
Card steady. j 
-67 34 
39 41 
Cl. 
+ 37 37 
s. 
— 
02 
+ 52 +38 31 
-67 34 
39 41 
Cl. 
+ 38 57 
N.N.E. 
-1 
40 
+ 52, +38 09 
-67 38 
39 41 
B. 
+ 37 49 
S. | E. 
— 
15 
+ 52 
+ 38 26 
12 A.M. 
-66 38 
39 23 
B. 
+ 37 23 
N. by e. 
-1 
20 
+ 47 
+ 36 501 
-66 38 
39 23 
Cl. 
+ 39 04 
S.S.E. 
O 
1 
_A. 
16 
— 
45 
+ 47 
+ 39 06 
^ + 37 18 
Card A. unsteady. 
-66 47 
39 20 
M. 
+ 35 56 
S.S.E. 
j 
— 
45 
+ 47 
+ 35 58 
13 A.M. 
-67 06 
40 03 
Cl. 
+ 37 48 
N.E. \ E. 
-2 
20 
+ 52 
+ 36 201 
-67 06 
40 03 
Cl. 
+ 38 57 
N.E. by E. 
— 2 26 
+ 52 
+ 37 23 
-67 06 
40 03 
T. 
+ 39 30 
n.e. by e. 
>-69 35 
-2 
26 
+ 52 
+ 37 56 
>. + 36 59 
Card J. steady. 
-67 06 
40 03 
Bn. 
+ 38 03 
N.E. by e. 
-2 
26 
+ 52 
+ 36 29 
-67 06 
40 03 
B. 
+ 38 25 
N.E. by E+E. 
— 2 
32 
+ 52 
+ 36 45 
14 A.M. 
-67 01 
40 30 
B. 
+ 35 53 
N.N.E. 
Cq i ^ 
-1 
35 
+ 52 
+ 35 10 
+ 37 12 
Very unsteady. 
-67 01 
40 30 
Cl. 
+ 40 02 
N.N.E. J E. 
— 1 
41 
+ 52 
+ 39 13 
16 A.M. 
-64 52 
38 35 
M. 
+ 36 11 
s. by e. 
— 
22 
+ 52 
+ 36 411 
-64 52 
38 35 
Cl. 
+ 41 36 
N.N.E. 
-1 
37 
+ 52 
+ 40 51 
16 P.M. 
-64 52 
38 37 
Cl. 
+ 35 44 
S.E. 
> — 68 
47 
— 1 
28 
+ 52 
+ 35 08 
> + 36 38 
Compass unsteady. 
-64 52 
38 37 
T. 
+ 36 06 
E.S.E. 
f 
-2 
03 
+ 52 
+ 34 55 
—64 52 
38 37 
Bn. 
+ 36 31 
S.E. by E. 
— 1 
46 
+ 52 
+ 35 37 
17 P.M. 
— 64 52 
40 12 
M. 
+ 37 00 
S.S.E. 
— 
44 
+ 52 
+ 37 081 
-64 52 
40 12 
Bn. 
+ 35 28 
S.S.E. 
— 
44 
+ 52 
+ 35 36 
-64 52 
40 12 
M. 
+ 37 41 
S.S.E. 
> 68 
.SI 
— 
44 
+ 52 
+ 37 49 
> + 36 54 
Steady. 
-64 52 
40 12 
Cl. 
+ 38 20 
S.S.E. 
— 
44 
+ 52 
+ 38 28 
-64 52 
40 12 
Cl. 
+ 37 54 
s.e. by s. 
— 1 
06 
+ 52 
+ 37 40 
-64 52 
40 12 
T. 
+ 34 54 
s.e. by s. 
-1 
06 
+ 52 
+ 34 40 
3 c 
mdcccxlvi 
