ME. C. V. WALKEE ON MAGNETIC STOEMS AND EAETH-CUEEENTS. 123 
Table VII. — Direction, Duration, Changes and Values of Earth-Currents. 
General direction from N. or S. 
Values. 
Date. 
Time. 
Duration. 
Margate 
To Ashford (27^ miles). 
To Ramsgate (3 miles) 
N. 
S. 
N. 
S. 
N. 
S. 
h m 
h m 
min. 
min. 
August 12, I860. 
9.30 to 
9.52 A.M. 
22 
68 
? 
9.52 
10.2 
10 
36 
? 
10.2 
10.10 
12 
74 
? 
10.10 
10.21 
11 
48 
? 
10.21 
10.22 
1 
30 
P 
10.22 
10.56 
34 
74 
? 
10.56 
11.12 
16 
30 
? 
11.12 
11.15 
3 
32 
? 
11.15 
11.16 
1 
28 
? 
11.16 
11.17 
1 
44 
? 
11.17 
11.26 
9 
68 
? 
11.26 
11.40 
14 
30 
? 
11.40 
11.50 A.M. 
10 
15(?) 
11.51 
12.10 p.M. 
19 
10(?) 
12.10 
12.15 
5 
35 (?) 
12.15 
12.34 
29 
46 
? 
12.34 
12.45 
11 
50 (?) 
12.46 
12.55 
9 
35 
12.55 
1.20 
25 
38 
(?) 
1.20 
1.50 
30 
20 
(?) 
1.50 
1.52 
2 
30 (?) 
1.52 
2.10'] 
20 
2.10 
2.39 > 
30 
2.39 
3.3 J 
71 
50 
3.4 
3.6 
. • • 
2 
30 (?) 
3.7 
3.10 
3 
40 
3.10 
3.16 
6 
18(?) 
3.16 
3.20 
4 
8(?) 
3.20 
.3.45 \ 
48 
(?) 
3.45 
4.30/ 
70 
38 
4.30 
5.25 
55 
50 
5.36 
5.45"^ 
15(?) 
5.45 
6.30 > 
38 
? 
6.30 
7.35J 
119 
15(?) 
August 12, I860. 
7.55 
8.1 p.M. 

6 
40 
Sura 
293 
20-92 
317 
19-81 
Mfians 
35*81 
37-26 
