170 
MR. A. ^Y. RtiCKER ARD DR. T. E. THORPE OH A MAGHETIC 
Inclination. 
Needle. 
G.M.T. 
9. 
00- 
2 
b. ID. 
1.5 23 
69 .35-3 
o / 
! 2 
16 0 
69 34-5 
69 35-8 
' 1 
16 .37 
69 36T 
Horizontal Force. 
i G.M.T. 
I 
H. 
Ho. 
V 
h. in. 
12 17 
1-6814 
1-6807 
255h. Alston. May 16, 1891 ; W. (70, 94). Lat. 54° 48' 38"; Long. 2° 26' 30". 
In the field on the N. side of the bridge. 
DeclincUion. 
2. 
G.M.T. 
^0- 
h. m. 
+ 2 31 
+ 4 13 
h. m. 
15 15 
1°9 20-8 
19 23-5 
Inclination. 
Needle. 
G.M.T. 
9. 
do. 
h. m. 
o / 
o / 
1 
13 45 
69 37-0 
69 37-5 
2 
14 17 
69 36-9 
Horizontal Force. 
G.M.T. 
H. 
Ho. 
D 
V 
V 
h. m. 
15 58 
12 10 
15 26 
1-6840 
1-6852 
1-6839 
