358 
MR. A. W. R0CKER AND DR. T. E. THORPE ON A MAGNETIC 
615. Sleaford. September 30, 1890; G. (60, 74). Lat. 53° 0' 55"; Long. 
0° 25' 18". In a field 200 yards E. of the main road to Lincoln, about !■§ miles 
N.N.W. of the town. Some farm buildings bore S.W., about 350 yards 
distant. 
Declination. 
G.M.T. 
C. 
^0- 
h. m. 
h. Ill. 
o / 
O 1 
-f-1 44 
14 14 
17 33'8 
17 32T 
Inclination. 
Needle. 
G.M.T. 
0. 
0Q. 
1 
1 
1—t 
1 
h. m. 
12 26 
12 46 
68 30-2 
68 .30-0 
o / 
68 29-7 
Horizontal Force. 
G.M.T. 
H. 
Ho- 
h. m. 
D 11 48 
V 11 21 
1'7561 
1'7566 
616. Snodland. July 18, 1890; B. (61, 83). Lat. 51° 19' 50"; Long. 0° 26' 2" E. 
In a field near Cox’s Farm, and -| mile W. of the llailway Station, 60 yards S. 
of the road, and 60 yards from the farm-house. 
Declination. 
2. 
G.M.T. 
8. 
^0- 
h. m. 
-0 59 
+ 3 37 
1). ni. 
11 35 
14 52 
O / 
17 6-6 
17 7-6 
O ( 
17 4-3 
