LIEUT.-COLONEL SABINE ON TERRESTRIAL MAGNETISM 
103 
Observations of Inclination. (Continued.) 
Date. 
Hour. 
Needle. 
Poles. 
a direct. 
/3 reversed. 
Mean. 
1842. 
h m 
R 4 
O / 
June 28. 
8 00 A.M. 
a —52 28’8 
ft -52 14-1 
| -52 21*5 
July 1. 
3 30 p.m. 
R 4 
a —52 377 
ft —52 03-6 
j -52 20-7 
5. 
8 00 A.M. 
R 4 
a —52 28*7 
ft —52 14-3 
| —52 21-5 
8. 
3 30 p.m. 
R 4 
a —52 35-4 
ft —52 11-5 
| -52 23-5 
12. 
8 00 A.M. 
R 4 
cl — 52 34*1 
ft —52 11*9 
j —52 23-0 
15. 
3 30 p.m. 
R 4 
a —52 35 -6 
ft -52 09-7 
| —52 22-7 
19- 
8 00 A.M. 
R 4 
a —52 32-8 
ft -52 11-6 
j -52 22-2 
22. 
3 30 p.m. 
R 4 
cl —52 31-8 
ft —52 14-8 
| —52 23-3 
August 2. 
8 00 A.M. 
R 4 
a —52 32-6 
ft —52 16-1 
| — 52 24-3 
9- 
8 00 A.M. 
R 4 
a —52 33-4 
ft —52 11-9 
j —52 22-6 
12. 
3 30 p.m. 
R 4 
a —52 32-7 
ft —52 13-8 
j — 52 23-2 
16. 
8 00 A.M. 
R 4 
a —52 29’9 
ft —52 10-1 
| —52 20-0 
19. 
3 30 p.m. 
R 4 
a —52 38-4 
ft -52 11-9 
| —52 25-2 
23. 
8 00 A.M. 
R 4 
a —52 10-0 
ft -52 34-0 
| —52 22-0 
23. 
9 00 A.M. 
R 6 
a —52 25-7 
ft -52 19*3 
| -52 22-5 
23. 
10 00 A.M. 
R 7 
a -52 30-9 
ft -52 17-5 
| —52 24-2 
April 15. 
8 00 A.M. 
C 1 
a —52 47*0 
ft —52 21-7 
| -52 34*3 
15. 
3 00 p.m. 
C 1 
a —52 46*1 
ft -52 24-9 
j -52 35-5 
19. 
8 45 a.m. 
C 1 
a —52 43-3 
ft — 52 20-2 
j -52 31-8 
19- 
3 45 p.m. 
C 1 
a —52 42-8 
ft —52 21-6 
j — 52 32-2 
June 15. 
8 00 A.M. 
C 1 
cl —52 40 - 4 
ft —52 24-4 
| — 52 32-4 
15. 
9 00 A.M. 
C 2 
a —52 37-8 
ft -52 20-9 
| -52 29-4 
15. 
3 00 A.M. 
C 1 
a -52 39-9 
ft —52 23-4 
J -52 31-7 
15. 
3 40 a.m. 
C 2 
a —52 35-4 
ft —52 23-2 
| -52 29-3 
July 26. 
8 40 a.m. 
C 1 
a —52 44-9 
ft -52 23-5 
j -52 34-2 
26. 
10 30 A.M. 
C 2 
a —52 38-6 
ft -52 15-3 
| -52 26-9 
August 1 7- 
10 00 A.M. 
C 1 
a — 52 50‘4 
ft -52 21-0 
j -52 35-7 
17- 
10 30 A.M. 
C 2 
a —52 36*2 
ft -52 14-1 
| —52 25-1 
23. 
9 30 a.m. 
C 1 
a -52 39-9 
ft -52 24-9 
| — 52 32-4 
23. 
23. 
1100 A.M. 
11 40 A.M. 
C 2 
a -52 33-8 
ft —52 19-2 
j — 52 26-5 
— 52 26-2 
Remarks. 
>Needles belonging to H.M.S. Erebus. 
> Needles belonging to H.M.S. Terror. 
General Mean. 
MDCCCXLIV. 
