MAGNETIC SURVEY OF A PART OF THE SOUTHERN HEMISPHERE. 
381 
Observations of Declination. (Continued.) 
Corrections. 
Date. 
Lat. 
Long. 
£ 
<D 
£ 
Declination 
observed. 
Ship’s head. 
Inclination. 
Ship’s 
attrac- 
Corrected Declination. 
Remarks. 
O 
tion. 
a 
1845. 
o / 
M. 
O / 
O ! 
o / 
/ 
O 
/ 
June 23. 
-34 12 
18 27 
+ 29 11 
N. 
- 50 
+ 52 
+ 29 
13" 
M. 
+ 28 52 
N.N.W. 
- 37 
+ 52 
+ 29 
07 
M. 
+ 28 23 
N.W. 
- 19 
+ 52 
+ 28 
56 
>4 
M. 
+ 28 23 
W.N.W. 
+ 04 
+ 52 
+ 29 
19 
CS 
a 
c3 
M. 
+ 27 40 
W. 
+ 26 
+ 52 
+ 28 
58 
jn 
Pi 
o 
M. 
+ 27 28 
w.s.w. 
+ 21 
+ 52 
+ 28 
41 
O 
X 
M. 
+ 27 14 
s.w. 
+ 11 
+ 52 
+ 28 
17 
s 
cc 
-c 
o 
o 
o 
M. 
M. 
+ 27 40 
+ 28 36 
s.s.w. 
s. 
>-53 37 
+ 02 
- 07 
+ 52 
+ 52 
+ 28 
+ 29 
34 
21 
> + 29 15 
To obtain the cor- 
rections for the 
Cm 
M. 
+ 29 30 
S.S.E. 
- 20 
+ 52 
+ 30 
02 
ship’s iron. 
o 
o 
M. 
+ 29 34 
S.E. 
- 39 
+ 52 
+ 29 
47 
u 
Pi 
M. 
+ 29 47 
E.S.E. 
-1 01 
+ 52 
+ 29 
38 
u 
M. 
+ 30 22 
E. 
-1 23 
+ 52 
+ 29 
51 
<5 
M. 
+ 29 56 
E.N.E. 
-1 19 
+ 52 
+ 29 
29 
M. 
+ 29 51 
N.E. 
-1 09 
+ 52 
+ 29 
34 
M. 
+ 29 26 
N.N.E. 
-1 00 
+ 52 
+ 29 
18 
July 1. 
-33 56 
18 29 
Cl. 
+ 28 26 
'To obtain 
the Index 
+ 52 
+ 29 
18 H 
Magnetic Ob- 
Cl. 
+ 28 11 
j 
Corrections for Cards 
+ 52 
+ 29 
03 
> + 29 07 
Card J. error -52'. 
11. 
servatory, Cape 
Cl. 
+ 28 07 
1 
A and J ; 
true Decli- 
+ 52 
+ 28 
59 
Card A. error —47'. 
of Good Hope. 
Cl. 
+ 28 20 
^nation = + 29 07. 
+ 47 
+ 29 
07 J 
3 D 
MDCCCXLVI. 
