MAGNETIC SURVEY OF A PART OF THE SOUTHERN HEMISPHERE 
371 
Observations of Declination. (Continued.) 
u 
Corrections. 
Date. 
Lat. 
Long. 
i 
o 
Declination 
Ship’s head. 
inclination. 
Ship’s 
Corrected Declination. 
Remarks. 
2 
observed. 
attrac- 
CJ 
o 
tion. 
1845. 
O / 
M. 
o / 
O / 
O 
/ 
/ 
o t 
Jan. 23 a.m. 
—50 30 
10 25 
+ 22 30 
S.w. s. 
+ 
16 
+ 47 
+ 23 33' 
-50 31 
10 25 
Cm. 
+ 23 38 
s.w. by s. 
+ 
16 
+ 47 
+ 24 41 
— 50 31 
10 25 
Cl. 
+ 24 27 
s.w. ^ s. 
+ 
16 
+ 47 
+ 25 30 
23 p.m. 
-50 48 
-50 50 
10 17 
10 20 
M. 
Cl. 
+ 23 18 
+ 21 09 
s.w.byw.-^w. 
s.w. by w. 
>-57 11 
+ 
+ 
16 
16 
+ 47 
+ 47 
+ 24 21 
+ 22 12 
. + 23 55 
— 50 58 
10 10 
M. 
+ 23 14 
s.w. 
+ 
16 
+ 47 
+ 24 17 
-50 58 
10 10 
Cl. 
+ 22 26 
s.w. 
+ 
16 
+ 47 
+ 23 29 
—50 58 
10 09 
T. 
+ 22 15 
s.w. 
+ 
16 
+ 47 
+ 23 18 J 
24 A.M. 
— 51 45 
9 34 
B. ' 
+ 23 11 
s.w. by w. 
1 
+ 
25 
+ 47 
+ 24 231 
-51 45 
9 34 
M. 
+ 20 06 
s.w. by w. 
> — 57 39 
+ 
25 
+ 47 
+ 21 18 ) 
>+22 37 
-51 45 
9 34 
Cl. 
+ 20 58 
s.w. by w. 
+ 
25 
+47 
+ 22 lOj 
24 p.m. 
-51 47 
9 34 
Cm. 
+ 22 00 
s.w.byw.g-w.~ 
+ 
29 
+ 47 
+ 23 16^ 
-51 47 
9 34 
Cm. 
+ 23 50 
s.w. by w.gw. 
+ 
29 
+ 47 
+ 25 06 
-51 47 
9 34 
Cm. 
+ 24 04 
s.w. byw.gw. 
+ 
29 
+ 47 
+ 25 20 
-51 47 
9 40 
Bn. 
+ 22 50 
s.w. by w.{w. 
+ 
29 
+ 47 
+ 24 06 
-51 45 
9 34 
B. 
+ 23 11 
s.w. by w. 
+ 
25 
+ 47 
+ 24 23 
— 51 45 
9 34 
M. 
+ 20 06 
s.w. by w. 
+ 
25 
+ 47 
+ 21 18 
— 51 45 
-51 49 
9 34 
9 32 
Cl. 
Cl. 
+ 20 58 
+ 22 46 
s.w. by w. 
s.w. by w. 
> -57 39 
+ 
+ 
25 
25 
+ 47 
+ 47 
+ 22 10 
+ 23 58 
> + 23 46 
Card A. 
-51 49 
9 32 
B. 
+ 21 49 
s.w. by w. 
+ 
25 
+ 47 
+ 23 01 
— 51 50 
9 32 
B. 
+ 22 53 
s.w. byw.gw. 
+ 
29 
+ 47 
+ 24 09 
-51 50 
9 31 
Cl. 
+ 22 18 
s.w.byw.-gw. 
+ 
29 
+ 47 
+ 23 34 
-51 50 
9 31 
M. 
+ 22 49 
s.w.byw.-gw. 
+ 
29 
+ 47 
+ 24 05 
— 51 50 
9 31 
Cl. 
+ 23 08 
s.w. by w.iw. 
+ 
29 
+ 47 
+ 24 24 
— 51 50 
9 31 
T. 
+ 22 36 
s.w.byw.-gw. 
+ 
29 
+ 47 
+ 23 52 
25 A.M. 
— 52 45 
7 53 
M. 
+ 22 21 
s.w. byw.gw.' 
+ 
29 
+ 47 
+ 23 37 1 
— 53 00 
— 53 00 
7 53 
7 53 
Cm. 
Cm. 
+ 22 50 
+ 22 06 
s w. by w. 
s.w. by w. 
>-57 14 
+ 
+ 
25 
25 
+ 47 
+ 47 
+ 24 02 
+ 23 18 
> + 23 46 
Card A. 
— 53 00 
7 53 
Cm. 
+ 22 54 
s.w. by w. 
J 
+ 
25 
+ 47 
+ 24 06_, 
26 A.M. 
-53 52 
6 16 
M. 
+ 19 49 
w. | N. 
+ 
36 
+ 52 
+ 21 17" 
— 53 52 
6 16 
B. 
+ 20 18 
w. j- N. 
+ 
36 
+ 52 
+ 21 46 
— 53 52 
6 16 
Cl. 
+ 20 56 
w. by s. 
+ 
33 
+ 52 
+ 22 21 
-53 52 
6 16 
Cl. 
+ 20 24 
w. by s. 
+ 
33 
+ 52 
+ 21 49 
— 53 52 
6 16 
Cl. 
+ 20 36 
w. by s. 
+ 
33 
+ 52 
+ 22 01 
-53 52 
6 16 
Bn. 
+ 21 28 
w. by s. 
>-57 00 
+ 
33 
+ 52 
+ 22 53 
> + 21 34 
Card J. 
-53 52 
6 16 
Cm. 
+ 20 36 
w. by s. 
+ 
33 
+ 52 
+ 22 01 
Compass steady. 
26 p.m. 
— 53 55 
6 06 
B. 
+ 21 08 
E. \ s. 
— 1 
22 
+ 52 
+ 20 38 
Index correction 
+ 52' by observa- 
-53 55 
6 06 
Cl. 
+ 21 38 
E. i s. 
— 1 
22 
+ 52 
+ 21 08 
tions made at the 
— 53 55 
6 06 
Cl. 
+ 20 54 
N.E. 
-1 
17 
+ 52 
+ 20 29 
Magnetic Obser- 
vatory, Cape of 
— 53 55 
6 06 
Cl. 
+ 20 53 
N. 
— 
51 
+ 52 
+ 20 54 
Good Hope. 
— 53 55 
6 06 
M. 
+ 22 03 
E. }S. 
— 1 
22 
+ 52 
+ 21 33 
27 p.m 
-55 13 
5 57 
M. 
+ 19 56 
s.w. bys.-g-s. 
+ 
12 
+ 52 
+ 21 00' 
-55 30 
5 54 
M. 
+ 21 14 
s.s.w. \ w. 
1-57 49 
+ 
10 
+ 52 
+ 22 16 
> + 21 23 
Card unsteady. 
-55 45 
5 50 
M. 
+ 19 48 
s.w. by s. 
J 
+ 
12 
+ 52 
+ 20 52 
f 
29 A.M 
-58 53 
4 19 
Cl. 
+ 16 07 
s.w. ^ s. 
i 
+ 
19 
+ 52 
+ 17 18' 
29 p.m 
-58 53 
-59 13 
4 19 
4 00 
B. 
M. 
+ 13 45 
+ 15 36 
s.w. by s. 
s.w. \ s. 
1-59 00 
+ 
+ 
19 
19 
+ 52 
+ 52 
+ 14 56 
+ 16 47 
> + 17 30 
Card unsteady. 
-59 13 
4 00 
Cl. 
+ 19 48 
s.w. -g- s. 
J 
+ 
19 
+ 52 
+ 20 59 
31 A.M 
-60 48 
8 18 
B. 
+ 22 35 
e. i s. 
— 1 
47 
+ 52 
+ 21 40' 
-61 03 
9 05 
Cm. 
+ 20 32 
s.e. by s. 
— 
48 
+ 52 
+ 20 36 
-61 08 
9 05 
M. 
+ 19 27 
s.e. by s. 
— 
48 
+ 52 
+ 19 31 
— 6l 08 
9 05 
Cl. 
+ 19 43 
s.e. by s. 
— 
48 
+ 52 
+ 19 47 
31 P.M 
.-61 15 
—61 15 
9 30 
9 30 
Cl. 
M. 
+ 20 31 
+ 21 08 
S.E. 
S.E. 
> — 61 3C 
=! 
01 
01 
+ 52 
+ 52 
+ 20 22 
+ 20 59 
> + 20 29 
Unsteady. 
—61 20 
10 07 
M. 
+ 21 16 
S.S.E. \ E. 
— 
31 
+ 52 
+ 21 37 
-61 20 
10 07 
Cl. 
+ 20 28 
S.S.E. -g- E. 
— 
31 
+ 52 
+ 20 49 
-61 20 
10 07 
Bn. 
+ 19 23 
S.S.E. \ E. 
— 
31 
+ 52 
+ 19 44 
1 
-61 20 
10 07 
Cl. 
+ 19 21 
S.S.E. -g- E. 
— 
31 
+ 52 
+ 19 42 j 
