CXXX11 
APPENDIX 
OBSERVATIONS on the INTENSITY of the MAGNETIC FORCE, 
With Mr. BROWNE’S Dipping Needle. 
1819, March. In the Regent’s Park, London, Latitude 51° SI' 40" N., 
0° 08' W. Dip 70° 33.'3 N. 
Longitude 
IN THE MAGNETIC MERIDIAN. 
i No. of 
Vibrations 
Interval 
> 
U 
Q> 
M ° 
o 
CO 
Ci CO N 
CO 
40 
CO 
N 
N 
100 
M 
8 
S 
01.5 
2 
TP 
Tp Tf< 
^p 
**p 
rp 
rr 
100 
s 
08 
Arcs 
4-0 
40 
© 
30 
23 
17 
CO 
05 
CO 
CO pH 
100 
7 
56.5 
100 
8 
02 
Mean 
c £ 
a a 
o 
pH 
© 
c 
© © o 
pH —4 pH 
o 
pH 
© 
pH 
o 
pH 
o 
PH 
> 
PERFENDICULAR 
TO 
THE 
MERIDIAN. 
No. of 
Vibrations 
Interval 
ntcrval 
s 
52 
0) 
O 
49.5 
49.5 
49 
48.5 
49.5 
40 
CO 
rp 
1 
50.5 
49.5 
M 
s 
Arcs 
o 
90 
40 
40 
o 
^p 
O 0Q CO 
CO Ol pH 
pH 
f-H 
n 
G* pH 
100 
s 
18.5 
a a 
> 
o 
© 
|H 
© 
rH 
© o © 
o 
r — 1 
© 
pH 
o 
pH 
© 
1820, July. In the Observatory, Winter Harbour, Latitude 74° 47 19' N., Longi- 
tude 110° 48' 30" W. Dip 88° 43.'5 N. 
IN THE MAGNETIG MERIDIAN. 
No. of 
Vibrations 
Interval 
I 
co 
40 
40 
so 
40 
0b 
CO 
5b 
0) 
to <« 
CO 
40 
•^P 
v? SO 
CO 
CO 
so 
CO 
2 
vf 
vp 
vf 
vp -p 
vp 
■*p 
vp 
INI 
s 
100 
7 
27.2 
100 
7 
26.5 
o 
40 
40 
40 
40 
40 
40 
40 
40 
<1 
N 
CO 
pH 
so cd 
40° 
GQ 
05 
o’ 
100 
7 
25.5 
25.8 
° CO 
co 
40 
CO Oi 
5b 
pH 
pH 
100 
7 
^ 1 
o 
© 
© 
C 
o © 
o 
O 
© 
o 
100 
7 
26.25 
Mean 
T ~ l 
pH pH 
pH 
pH 
PH 
> 
PERPENDICULAR 
TO 
THE 
MERIDIAN. 
No. of 
Vibrations 
Interval 
> 
i> 
00 
40 
40 
GO 
o; 
40 
3 
CO 
'f vP 
CO* 
CO 
co 
CO 
TP 
Tp 
^P 
vp vp 
H< 
vp 
*P 
M 
s 
100 
7 
27 
to 
0° 
CO 
Vfl 
CO 
vp N 
(S> 
N 
CO 
o 
GO 
o 
N 
40 
CO GQ 
5t 
pH 
pH 
100 
7 
25.8 
• 
u- C 
0.2 
Mean 
© 
© 
© 
© 
© o 
© 
© 
© 
o 
100 
7 
26.4 
6 2 
& -2 
pH 
pH 
pH 
pH 
pH pH 
pH 
pH 
pH 
pH 
> 
