178 
MR. A. W. RUCKER AND DR. T. E. THORPE ON A MAGNETIC 
Inclination. 
Needle. 
G.M.T. 
0. 
0 ,). 
1 
2 
h. m. 
15 52 
16 9 
68 33-7 
68 34T 
0 / 
68 37-6 
Horizontal Force. 
G.M.T. 
H. 
H,, 
h. 
m. 
D 
11 
0 
1-7520 
1-7471 
V 
9 
54 
1-7524 
V 
10 
24 
1-7515 
1-7524 
1-7468 
122. OxPOiiD. May 5 and G, 1886; A. W. R. (60, 74). Lat. 51° 45' 34"; Long. i° 15 ' 
In the Parks, near the Physical Laboratory. Ventilating flue in the middle of the 
Physical Lecture Room bears magnetic »S. ; Cricket Pavilion E. by N. ; 29 paces 
W. from Plantation. 
Declination. 
Date. 
2. 
G.M.T. 
r. 
^0- 
May 5. 
„ 6. 
h. m. 
+ 5 15 
j-\ 15 
h. m. 
17 51 
11 5 
18 29-0 
18 32-2 
0 / 
18 33-7 
Diclination. 
Date. 
Needle. 
G.M.T. 
00. 
May 6. 
1 
2 
h. m. 
14 24 
14 55 
67 57-1 
67 56-8 
0 i 
67 57-5 
Horizontal Force. 
1 
Date. 
G.M.T. 
H. 
Ho. 
1 
j May 6. 
j 
D 
V 
h. in. 
12 18 
11 34 
1-7900 
1-7894 
1-7890 
