IIG 
MR. A. W. RtiCKER AND DR. T. E. THORPE ON A MAGNETIC 
33. Iona. September 15 and 16, 1884; A. W. R. (60, 74). Lat. 56° 20' 0" ; 
Long. 6° 23' 40". In a field behind the Inn, and about 50 yards from it. 
Declination. 
Date. 
G.M.T. 
?>. 
^0- 
Sept. 15 . . 
h. m. 
+ 46 
h. m. 
17 4 
2:3 41-0 
23 28-6 
Inclination, 
Date. 
Needle. 
G.M.T. 
0. 
do- 
Sept. 16 . . 
1 
2 
h. m. 
9 35 
10 10 
7°0 57T 
70 57-5 
0 / 
70 55-8 
Horizontal Force. 
Date. 
G.M.T. 
H. 
Ho. 
Sept. 15 . . 
V 
h. m. 
17 47 
1-6162 
1-6185 
34. Kirkwall. August 27, 1885; T. E. T. (60, 74). Lat. 58° 59' 12"; Long. 
2° 57' 15". At Battery Point and close to the road. Cathedral tower bearing 
S.W. by W Cairn on Wideford Hill, bearing W.N.W. 
Declination. 
2 , 
G.M.T. 
C. 
^0- 
h. m. 
+ 1 46 
+ 4 31 
h. m. 
12 19 
21 32-9 
21 32-7 
O • 
21 29-3 
