46 
j\lR. A. W. RtrCKER AND DR. T. E. THORPE ON A MAGNETIC 
17. Ardgay ; June 29, 1891 ; W. (70, 94). Lat. 57° 52' 44"; Long. 4° 22' 0". In 
a field to the S. of the road leading from Bonar Bridge Station to Ardgay Hill. 
S.W. of Bonar Bridge, and S.E. of the first cottage to the N. of the road. 
Declination. 
V 
G.M.T. 
■ • ^0- 
h. m. 
-1 48 
-1 30 
h. m. 
11 14 
15 27 
20 41-6 
20 42-0 
O ; 
20 45-8 
Inclination. 
Needle. 
G.M.T. 
e 
On. 
h. m. 
o / 
O ‘ 
1 
13 2 
71 31-6 
71 .321 
2 
13 26 
71 31-7 
Horizontal Force. 
G.M.T. 
H. 
Ho- 
D 
V 
V 
li. m. 
12 6 
11 .33 
15 43 
1-5566 
1-5561 
1-5556 
18. Ardrossan. August 20, 1891; W. (70, 94). Lat. 55° 39'16"; Long. 4° 48'6". 
In a field about 250 yards S.S.E. of “ Kirkliall,” Stanley Farm, bearing S. by AY. 
Declination. 
V 
G.M.T. 
li. m. 
-0 46 
+ 1 52 
h. m. 
12 0 
14 42 
20 48-6 
20 48-3 
o / 
20 53-4 
