SURVEY OP THE BRITISH ISLES FOR THE EPOCH JANUARY I, 1891, 361 
Inclination. 
Needle. 
G.M.T. 
e. 
1 
83 1 
h. m. 
11 49 
12 2 
68 11T 
68 9-8 
1 
0 / 
68 12*5 
Horizontal Force. 
G.M.T. 
H. 
Ho. 
h. m. 
D 
11 18 
V 
10 58 
1-7770 
1-7738 
621. Spilsby. August 23, 1889 ; K (60, 74). Lat. 53° 10' 28"; Long. 0° 5' 59" E. 
In a field about a quarter of a mile N.W. of the cross-roads in the centre of the 
town. 
Declination. 
s. 
G.M.T. 
0. 
h. m. 
-2 32 
h. in. 
10 14 
12 13 
18 0-8 
18 2-3 
o t 
17 52 9 
Inclination. 
Needle. 
G.M.T. 
0. 
0,. 
1 
2 
h. m. 
11 7 
11 27 
6°8 32-9 
68 31-7 
0 / 
68 30'7 
Horizontal Force. 
G.M.T. 
H. 
Ho. 
D 
h. m. 
11 55 
1-7530 
1-7563 
V 
10 37 
1-7546 
3 a 
MDCCCXCYI,—A. 
