202 
MR. A. W, RtiCKER AND DR. T. E. THORPE ON A MAGNETIC 
Inclination. 
Date. 
Needle. 
G.M.T. 
e. 
00- 
Sept. .5 
1 
2 
h. m. 
15 35 
16 21 
68 25-4 
68 24-6 
O < 
68 24-5 
Horizontal Force. 
' Date. 
1 
i 
G.M.T. 
H. 
h. m. 
Sept. 5 
D 
17 56 
„ 5 
„ 5 
V 
V 
14 4 
16 57 
1'7608 
1‘7595 
1-7609 
313. Builth. April 20, 1891 ; G. (60, 74). Lat. 52° 9' 34"; Long. 3° 24' 40". At 
the upper end of a field between the Rhayader Road and a bye-road which passes 
the entrance to the Hall. About 1 mile from Builth. The chapel spire adjacent 
to Builth Church bears 18° E. of S. 
Declination. 
V 
G.M.T. 
C 
^0- 
h. m. 
-1 12 
h. m. 
11 18 
14 11 
1°9 15-1 
19 151 
O / 
19 17-3 
Inclination. 
Needle. 
G.M.T. 
0. 
00- 
1 
2 
h. IT). 
12 37 
13 1 
6°8 19-3 
68 18-0 
o ; 
68 19-1 
Horizontal Force. 
G.M.T. 
H. 
Ho. 
h. 
m. 
D 
12 
2 
V 
11 
33 
1-7682 
1-7682 
V 
14 
2 
1-7693 
