304 
MR. A. W. RUCKER AND DR. T. E. THORPE ON A MAGNETIC 
Inclination. 
Needle. 
G.M.T. 
@0. 
b. m. 
o / 
o , 
1 
12 50 
67 1T4 
67 10-4 
2 
13 12 
67 11-0 
Horizontal Force. 
G.M.T. 
H. 
Ho. 
D 
Y 
Y 
h. ni. 
12 10 
11 39 
14 8 
1-8437 
1-8432 
1-8444 
514. March. See “ 1890 Memoir,” p. 173. 
515. Margate. July 15, 1890; B. (Gl, 83). Lat. 51° 22' 13" ; Long. 1° 21' 45" E. 
At the centre of the field behind Hengrove Farm-house, which bore 20° W. of N. 
Trinity Church bore 40° E. of N, 
Declination. 
G.M.T. 
c. 
^0. 
]i. m. 
-1-2 38 
b. m. 
11 5 
15 14 
1°6 35-7 
16 36-9 
0 / 
16 33-5 
Inclination. 
Needle. 
G.M.T. 
6 . 
9o. 
1 
2 
h. m. 
13 24 
14 8 
G7 14-9 
67 12-3 
0 i 
67 12-9 
Horizontal Force. 
G.M.T. 
H. 
n. 
D 
V 
Y 
b. m. 
12 15 
11 30 
15 36 
1-8333 
1-8344 
1-8348 
