LIEUT.-COLONEL SABINE ON TERRESTRIAL MAGNETISM. 
Observations of the Magnetic Force. (Continued.) 
205 
1841. 
Lat. 
Long. 
Method 
employed. 
Angle of 
deflection. 
Face east. 
Tempera- 
ture. 
Ship’s head. 
Intensity. 
July 19. 
O / 
Garder 
O. / 
Island, 
Mag. N.S. 
O 
41 
45-3 
O 
60 
> Observed 
1-705 
Port Jackson. 
Mag. N. 
31 
47-2 
60 
on shore. 
1-696 
Mag. S. 
22 
06-6 
60 
wt. 1 gr.* 
13 
08-8 
60 
1-691 
wt. \\ gr. 
20 
02-0 
60 
1-685 
wt. 2 grs. 
27 
00-7 
60 
1-708 
wt. 2| grs. 
34 
25-2 
60 
1-692 
w’t. 3 grs. 
42 
06-9 
60 
1-709 
wt. 3^ grs. 
51 
13-5 
60 
1-703 
Aug. 5. 
Running out of 
Def. N. 
37 
45-1 
63 
E. by n. \ N. 
1-718 
harbour. 
Def. S. 
35 
36-2 
63 
e. by n. \ n. 
1-688 
Def. N. 
37 
36-2 
63 
e. by n. ^ n. 
1-726 
Def. S. 
35 
34-5 
63 
e. by n. i n. 
1-690 
6. 
-34 01 
153 17 
Def. N. 
38 
06-3 
63 
e. by n. 
1-698 
Def. S. 
36 
11-3 
63 
e. by n. 
1-654 
-33 54 
153 54 
Def. N. 
37 
32-3 
63 
e. by n. 
1-731 
Def. S. 
35 
38-8 
63 
e. by n. 
1-685 
7. 
-33 56 
156 38 
Def. N. 
38 
16-4 
61 
e. bv N. 
1-688 
Def. S. 
36 
19-2 
61 
e. by n. 
1-647 
8. 
— 33 31 
160 20 
Def. N. 
38 
36-0 
63 
e. by n. 
1-669 
Def. S. 
36 
13-2 
63 
e. by n. 
1-652 
9- 
-33 42 
163 34 
Def. N. 
38 
58-3 
61 
E. 
1-648 
Def. S. 
36 
16-0 
61 
e. 
1-650 
164 05 
Def. N. 
38 
46-2 
61 
E. 
1-659 
Def. S. 
36 
18-3 
61 
E. 
1-648 
10. 
-33 47 
166 39 
Def. N. 
38 
57-3 
62 
e. by n. i n. 
1-648 
Def. S. 
37 
01-9 
62 
e. by n. \ n. 
1-604 
-33 42 
166 36 
Def. N. 
39 
30-7 
62 
E. 
1-616 
Def. S. 
36 
57-2 
62 
E. 
1-609 
Mag. N. 
32 
50-1 
62 
E. 
1-609 
Mag. S. 
23 
37-2 
62 
E. 
11. 
-33 34 
167 37 
Def. N. 
40 
07-5 
66 
N.E. by E. 
1-579 
Def. S. 
37 
58-5 
66 
n.e. by E. 
1-549 
Mag. N. 
33 
03-0 
66 
n.e. by e. 
1-592 
Mag. S. 
23 
12-0 
66 
n.e. by e. 
Mag. N.S. 
43 
13-0 
66 
N.E. bv E. 
1-590 
Def. N. 
39 
46-4 
66 
E. 
1-600 
12. 
—32 58 
169 20 
Def. N. 
40 
10-5 
56 
E.N.E. 
1-576 
Def. S. 
37 
19-5 
56 
E.N.E. 
1-586 
Mag. N. 
32 
56-3 
56 
E.N.E. 
1-601 
Mag. S. 
24 
07-8 
56 
E.N.E. 
Mag. N.S. 
43 
17-9 
56 
N.E. 
1-585 
13. 
-32 12 
170 27 
Def. N. 
39 
31-5 
55 
s.e. by te. 
1-615 
Def. S. 
37 
17-6 
55 
s.e. by e. 
1-588 
14. 
-32 11 
171 20 
Def. N. 
38 
55-5 
55 
s.e. by e. 
1-650 
Def. S. 
36 
58-7 
55 
s.e. by e. 
1-607 
Mag. N. 
33 
30-8 
55 
s.e. by e. 
1-554 
Mag. N.S. 
43 
09-9 
55 
s.e. by E. 
1-595 
Mag. S. 
23 
34-3 
55 
s.e. by e. 
Correction 
for ship’s 
attraction. 
Corrected 
Intensity. 
Remarks. 
1-699 
■+•014 
•Oil 
1-719 
1-703 
1-679 
1-671 
1-658 
1-627 
> + •020 
+ •007 
+ •018 
+ •026 
> — -012 
U-600 
>1*607 
1-589 
Including the results 
with the “face 
west.” 
A head swell. 
Steering wildly, 
much motion. 
A good deal of mo- 
tion, steering 
tolerably. 
Much motion, steer- 
ing badly. 
Motion violent, 
steering wild. 
A long swell, motion 
quick, steering 
well; 
Light wind, heavy 
swell, with quick 
motion. 
Wind fresh, motion 
quick, steering 
badly. 
c A head sea, steer- 
l ing steadily. 
C Strongwind, heavy 
J sea, motion 
| quick, ship 
L steering well. 
\vt. 1 gr. 12 44-1 
\vt. 1|- gr. 19 03-3 
wt. 2 grs. 26 01*2 
\vt. 2J grs. 33 17*7 
wt. 3 grs. 41 35-2 
. wt. 3^ grs. 51 02-1 
Intensity. 
1-674 
1-712 
1-705 
1-709 
1-715 
1-687 
* Observed on shore; 
face west. 
