180 
MR. A. W. RtiCKER AND DR. T. E. THORPE ON A MAGNETIC 
Inclination. 
Needle. 
G.M.T. 
e. 
00 - . 
1 
2 ■ 
h. m. 
13 27 
13 56 
67 12'9 
67 12T 
O / 
67 14-7 
Horizontal Force. 
G.M.T. 
H. 
Ho. 
D 
V 
li. m. 
12 5 
11 39 
1-8343 
1-8331 
1-8309 
125. Port Erin (Isle of Man). August 8, 1887 ; T. E. T. (61, 83). Lat. 54° 5’ 4" 
Long. 4° 46' * 7 ". On the S. side of the Harbour near the Breakwater. 
Declination. 
2. 
G.M.T. 
a. 
^0- 
h. m. 
- 1 5 
+ 2 37 
h. m. 
11 46 
13 47 
20 40-3 
20 44-2 
o t 
20 55-4 
Inclination. 
Needle. 
G.M.T. 
e. 
do- ■ 
1 
2 
h. m. 
14 26 
14 45 
69 46-2 
69 45-7 
o / 
69 48-1 
Horizontal Force. 
G.M.T. 
H. 
Ho. 
D 
Y 
h. m. 
15 36 
12 38 
1-6714 
1-6712 
1-6678 
