CXXXll 
APPENDIX 
OBSERVATIONS on the INTENSITY of the MAGNETIC FORCE, 
With Mr. BROWNE’S Dipping Needle. 
1819, March. In the Regent’s Park, Loudon, Latitude 51° 31' 40" N., Longitude 
0° 08' W. Dip 70° 33.'3 N. 
IN THE MAGNETIC MERIDIAN. 
No. of 
Vibrations 
Interval 
% 
> 
s 
50 
C5 GO 
CO 
N 
CO 
GO 
' 
N 
N 
100 
M S 
8 01.5 
a 
100 
100 
8 08 
7 56.5 
Arcs 
55 
40 
30 
23 
17 
««5 
Gi 
CO 
CO pH 
s 
100 
8 02 
Mean 
C 2 
o 
o o 
pH pH 
o o 
O 
O 
pH 
o 
O 
o 
I— H 
PERPENDICULAR 
TO THE 
MERIDIAN. 
No. of 
Vibrations 
Interval 
nterval 
s 
52 
52 
49.5 
49.5 
49 
CO 
05 
48.5 
50.5 1 
49.5 
M S 
• 
Arcs 
o 
90 
55 
40 
o <yi ^ 
CO CN ^ 
pH 
N 
0^ PH 
100 
8 18.5 
o| 
o 
pH 
o o 
pH 
o o 
pH 
o 
O 
^H 
o 
o 
pH 
o 
pH 
1820, July. In the Observatory, Winter Harbour, Latitude 74° 47 19' N., Longi- 
tude 1 10° 48' 30" W. Dip 88° 43 .'5 N. 
IN 
THE MAGNETIC MERIDIAN. 
No. of 
Vibrations 
Interval 
> 
CO 
40 
CO 
40 
(N 
CO 
(N 
w 
M 06 
CO 
CO 
ffO 
CO 
CO 
'(f 
IVl 
s 
100 
7 
27.2 
100 
7 
26.5 
3 
40 
40 
40 
40 
40 
40 
CO 
PH CO 
CO 
40 
05 
'O 
100 
7 
25.5 
0(30 
<0 
(N 
(N 
pH 
100 
7 
25.8 
a 
0 
0 
0 
0 
0 0 
0 
0 
0 
0 
100 
7 
26.25 
Mean 
pH 
pH 
fH ^ 
PH 
pH 
^H 
> 
PERPENDICULAR 
TO 
THE 
MERIDIAN. 
No. of 
Vibrations 
Interval 
> 
GO 
40 
CO 
o> 
40 
CO 
CO 
CO 
CO 
CO 
M 
S 
100 
7 
27 
3 
0 ° 
CO 
Vi 
N 
W 
N 
CO 
0 
^05 
N 
(N 
pH 
pH 
100 
7 
25.8 
Mean 
0 
0 
0 
0 
0 0 
c 
0 
0 
0 
100 
7 
26.4 
0 2 
'z 
1— ( 
pH 
pH 
. pH 
pH 
PH 
pH 
