80 DR. A. H. COX: REPORT ON MAGNETIC DISTURBANCES IN NORTHAMPTONSHIRE 
As already stated, observations were made at Melton and Loughborough which 
were stations in the General Magnetic Survey of 1914-15. 
Duly corrected to epoch—January 1, 1915—^the values at Loughborough Avere :— 
H. D. 1. 
General Magnetic SurA'e}^ 
1915 . 17 
,920 15° 
24'-8 67' 
Observations in 1917 . 
. . . 17,916 15° 
30'-0 67' 
giving disturbing forces :— 
N. 
W. 
V. 
1915. 
+ 34 
-137 
-39 
1917. 
+ 23 
-110 
-27 
The values at Melton similarl}^ 
corrected to epoch Avere 
— 
H. 
D. 
I. 
1915. 
. 18,036 
16° 29'-0 
67° 49'-5 
1917. 
. 18,003 
16° 30'-5 
67° 48'-3 
giving disturbing forces :— 
N. 
W. 
V. 
1915. 
+ 14. 
+ 265 
+ 238 
1917. 
-20 
+ 264 
+ 149 
Observations made in 1917 at the neAv and old stations gave the folloAving 
results :— 
Disturbing Forces. 
— 
North. 
West. 
Vertical. 
Asfoi’dby. 
- 121 
- 51 
+ 37 
Waltham. 
- 11.3 
+ 22 
- 74 
Seagrave . 
- 10 
- 30 
- 13 
Melton. 
- 20 
+ 264 
+ 149 
Broughton . 
- 72 
+ 14 
+ o3 
Penhill. 
+ 7 
+ 67 
+ 118 
Ke3uvorth. 
- 12 
+ 14 
+ i 4 
Beriyliill. 
- 31 
— 7 
+ 87 
Plumtree. 
- 32 
- 29 
+ 50 
Barton . 
_ 2 
- 45 
+ 31 
Rempstone.. . 
-120 
- 32 
+ 230 
Loughborough. 
+ 23 
- 110 
- 27 
Mean disturbing force . 
- 42 
+ 0 
+ 60 
