SURVEY OF THE BRITISH ISLES FOR THE EPOCH JANUARY I, 1891. 
Inclination. 
37 
Needle. 
O.IVUT. 
0. 
d,. 
I 
83 I 
h. ni. 
12 1 
12 14 
O / 
71 25-9 
71 26-7 
O 1 
71 27-8 
Horizontal Force. 
G.M.T. 
H. 
Ho- 
D 
V 
h. m. 
11 .39 
11 20 
1-5614 
1-5585 
4. Between Aberdeen and Ellon (4). (Tarbothill). July 14, 1892 ; G. (60, 74). 
Lat. 57° 12' 26" ; Long. 2° 4' 50". About 4 miles N. of Aberdeen, 150 yards E. 
of the high-road, and 10 yards S. of a lane leading to Tarbothill Farm. An old 
watch-house on a hill bore 50° E. of N., about \ mile distant. 
Declination. 
2. 
G.M.T. 
S. 
^0- 
h. m. 
+ 3 19 
h. m. 
15 40 
1°9 l()-9 
19 21-9 
Inclination. 
Needle. 
G.M.T. 
0 . 
^0- 
1 
h. m. 
16 7 
4 
70 49-7 
70 51-2 
Horizontal Force. 
G.M.T. 
H. 
Ho. 
V 
h. m. 
15 50 
1-6083 
1-6054 
