448 
MR. A. W. RtTCKER AND DR. T. E. THORPE ON A MAGNETIC 
779. Egltngton, July 9 and 11, 1892 ; W. (70, 94). Lat. 55° 2' 5" ; Long. 7° 10' 55". 
In a field to the N. of the main road from Derry to Ballykelly, and on the W. 
side of a lane leading to Campbell’s Town. About 80 yards from either road. 
Declination. 
Date. 
Needle. 
G.M.T. 
f. 
f'o- 
h. m. 
h. m. 
o / 
O / 
July 11 
-0 41 
12 7 
21 55-1 
22 6-8 
Inclination. 
Date. 
Needle. 
G.M.T. 
6 . 
do- 
July 9 
1 
2 
h. m. 
12 25 
12 43 
70 19-2 
70 19-9 
O 1 
70 21-6 
Horizontal Force. 
Date. 
GM.T. 
H. 
H, 
h. m. 
July 9 
D 
13 44 
„ 9 
V 
14 14 
1-6461 
1-6428 
780. Ennis. August 1, 1891; G. (GO, 74). Lat. 52° 50' 15"; Long. 8° 59' O". 
On some rough ground W. of the Catholic College, the tower of which bore 
50° E. of N., and was about 150 yards distant ; 50 yards IN. of a stone-walled 
shed. 
Declination. 
V 
G.M.T. 
c. 
^0* 
h. m. 
h. m. 
o t 
o / 
+ 0 56 
14 0 
22 4-8 
22 9-5 
