102 
LIUT. -COLONEL SABINE ON TERRESTRIAL MAGNETISM 
Observations of Inclination. (Continued.) 
Date. 
Hour. 
Needle. 
Poles. 
« direct. 
/3 reversed. 
1842. 
h m 
May 10. 
10 30 A.M. 
R 4 
a -52 31-2 
(3 —52 25-2 
10. 
3 00 P.M. 
R 4 
a —52 24-3 
/ 3 —52 30-6 
13. 
8 00 A.M. 
R 4 
a —52 36-7 
[3 -52 14-5 
13. 
3 30 p.m. 
R 4 
a -52 37*0 
(3 —52 13-5 
17- 
8 00 A.M. 
R 4 
a — 52 35*6 
(3 —52 15-3 
17. 
3 30 p.m. 
R 4 
a —52 33-4 
(3 —52 17-7 
20. 
8 00 A.M. 
R 4 
a —52 36-8 
(3 —52 13-2 
20. 
3 30 p.m. 
R 4 
a -52 34-3 
(3 —52 13-0 
24. 
8 00 A.M. 
R 4 
a —52 36-5 
(3 —52 18-6 
24. 
3 30 p.m. 
R 4 
a -52 37-6 
13 -52 17‘7 
27- 
8 00 A.M. 
R 4 
a— 52 23*5 
(3 -52 12-5 
27. 
3 30 p.m. 
R 4 
a, —52 32-8 
(3 -52 14-0 
June 1. 
8 00 A.M. 
R 4 
a —52 37’1 
[3 —52 16-0 
1. 
3 30 p.m. 
R 4 
a —52 35-3 
/3 -52 16-2 
4. 
8 00 A.M. 
R 4 
a —52 35*4 
(3 -52 17-7 
4. 
3 30 p.m. 
R 4 
a— 52 36-3 
(3 -52 16-9 
7. 
8 00 A.M. 
R 4 
a -52 36-4 
(3 —52 15-4 
7. 
8 00 A.M. 
R 4 
a —52 29-0 
)3 -52 13-7 
10. 
8 00 A.M. 
R 4 
a -52 38-4 
f3 —52 16-4 
10. 
3 30 p.m. 
R 4 
a -52 35-9 
(3 -52 17-6 
14. 
8 00 A.M. 
R 4 
a —52 35-8 
a —52 16-2 
14. 
3 30 p.m. 
R 4 
a -52 41-3 
f 3 —52 13-2 
17- 
8 00 A.M. 
R 4 
a —52 34-8 
B -52 14-7 
17. 
10 00 A.M. 
R 6 
a —52 20-4 
/ 3 —52 28-0 
17. 
1 1 00 A.M. 
R 7 
a -52 32-1 
B — 52 23*4 
17. 
3 30 p.m. 
R 4 
a —52 34-0 
B —52 13-6 
21. 
8 00 A.M. 
R 4 
a —52 29*9 
B —52 18-6 
21. 
3 30 p.m. 
R 4 
a -52 297 
(3 -52 19-9 
Mean. 
Remarks. 
}- 
H 
}- 
}- 
} 
52 
52 
-52 
-52 
52 
52 
52 
-52 
-52 
52 
52 
52 
52 
52 
52 
52 
— 52 
52 
52 
52 
52 
52 
52 
52 
52 
52 
52 
52 
H 
H 
} 
H 
H 
H 
H 
}- 
H 
H 
} 
} 
}- 
}- 
}- 
}- 
}- 
28-2 
27-5 
25-6 
25-3 
25-5 
25-5 
25- 0 
23-7 
27-7 
27-7 
230 
23- 4 
26- 5 
25- 7 
26- 5 
26-6 
25- 9 
26- 4 
27- 4 
26-8 
26-0 
27-3 
24- 8 
24-2 
27-8 
23- 8 
24- 2 
24-8 
> Needles belonging to H.M.S. Erebus. 
J 
