SURVEY OF THE BRITISH ISLES FOR THE EPOCH JANUARY 1, 1891. J23 
Horizontal Force. 
G.M.T. 
H. 
Ho- 
Y 
h. m. 
17 29 
1-5352 
1-5340 
168. Oronsay, September 21, 1892 ; T. (61, 83). Lat. 56° 1' 1"; Long. 6° 13' 59". 
On the rising ground near the shore. 
Declination. 
2. 
G.M.T. 
c. 
Oq. 
h. m. 
+ 3 0 
h. m. 
15 39 
21 47-4 
22 6-8 
Inclination. 
Needle. 
G.M.T. 
0. 
0,. 
2 
3 
h. m. 
16 22 
16 36 
70 57-0 
70 55-9 
o / 
70 58-6 
Horizontal Force. 
G.M.T. 
H. 
Ho. 
Y 
h. n). 
15 51 
1-6049 
1-6013 
169. OvERSCAiG Inn. July 9, 1891 ; W. (70, 94). Lat. 58° 10' 5"; Long. 4° 41' 35". 
About half-way between the Hotel and the Loch. 
Declination. 
2. 
G.M.T. 
a. 
^0- 
h. m. 
+ 1 2 
+ 2 27 
h. m. 
13 51 
15 10 
21 12-7 
21 12-2 
o / 
21 16-8 
r 2 
