40 
THE REV. STEPHEN J. PERRY ON THE MAGNETIC 
Table VII. 
Station. 
Date 
IS6S. 
G-.M.T. 
Distance of 
centres of 
magnets. 
Temp. 
Observed 
deflection. 
T m 
Log^. 
Date. 
G-.M.T. 
Temp. 
Time of 
one 
vibration. 
Log mX. 
h m 
li m 
Paris 
Aug. 11 
10 48 
10 
77'8 
13 30 22 
9-07147 
Aug. 1 0 
6 9 r.M. 
85-8 
511042 
0-30100 
11 19 
10 
80-5 
13 29 43 
9-07134 
11 
9 23 
78-3 
5 11138 
030029 
11 57 
1-3 
79-2 
6 6 27 
9-07135 
9 31 
5-1 1294 
0-30003 
5-11173 
0-30023 
Laval 
., la 
11 47 
1-0 
72-5 
13 28 40 
9-07016 
„ 15 
8 5 
690 
5-10733 
0-30037 
3 21 
10 
779 
13 27 26 
906992 
9 13 
5-10745 
0 30035 
3 44 
13 
78-2 
6 5 35 
9-07025 
5-10745 
030035 
9 46 
702 
5-10717 
0-30048 
9 55 
70-8 
5-10676 
0-30060 
70-5 
5-10694 
030055 
Brest 
„ 20 
7 53 
1-0 
61-5 
13 47 33 
907919 
„ 20 
6 28 a.m. 
58 8 
5-15046 
0 29259 
8 18 
1-3 
61 9 
6 14 28 
9 07941 
6 36 
58-8 
5 15042 
0-29260 
I 
5-15044 
0-29259 
Vannes 
„ 21 
10 52 
10 
66-0 
13 29 47 
9 07026 
21 
3 46 
680 
5 09825 
0-30202 
| 
11 27 
1-3 
65-5 
6 6 4 
9-06985 
3 54 
66-9 
5 09760 
0-30206 
11 31 
1-0 
65-7 
13 29 10 
9 06994 
67-9 
5 09783 
0-30209 
6 37 
62-0 
5-09384 
0-30237 
Angers 
„ 24 
9 18 
1-0 
65-2 
13 13 44 
9-06168 
„ 24 
2 24 
70-2 
5-05212 
0-30995 
9 49 
10 
63-8 
13 13 44 
906157 
Poitiers 
„ 26 
5 33 
1-0 
66 0 
12 52 31 
9-05017 
„ 26 
6 13 
64-2 
5-01525 
0-31585 
6 21 
63 -7 
5-01475 
0-31586 
63-9 
501500 
0-31583 
j Bordeaux ... 
„ 29 
2 29 
10 
70-2 
12 28 5 
9-03671 
,. 29 
4 8 
71-0 
4-94079 
0-32922 
3 12 
1-3 
70-5 
5 38 44 
904311 
„ 30 
5 22 
71 2 
4-94679 
0-32817 
6 46 
705 
4-94417 
0-32856 
Abbadia 
Sept. 1 
5 10 
10 
73-9 
12 8 1 
902540 
Sept. 1 
3 54 
76-8 
4-87851 
0-34064 
5 55 
1-3 
73-5 
5 30 9 
902575 
4 20 
75-5 
4-87675 
0-34085 
4 28 
75-5 
4-88079 
0-34013 
4-88044 
0-34019 
Bayonne 
„ 5 
2 43 
10 
89-5 
12 5 37 
902522 
„ 5 
1 35 
95-0 
4-88179 
0-34140 
1 54 
95-2 
4-88275 
0-34124 
Pan 
11 26 
10 
81-5 
12 1 14 
9-02199 
„ 7 
10 2 
79-0 
4-86188 
0-34379 
10 10 
790 
4 86113 
0-34392 
4-86150 
0-34386 
Toulouse . . . 
0 
2 10 
1-0 
84-8 
12 2 7 
9-02277 
„ 9 
11 5 
80-9 
4-85392 
034534 
2 40 
1-3 
85-9 
5 27 1 
902260 
11 28 
82-2 
4-85368 
0-34547 
10 
2 52 
87-6 
4-85375 
0-34587 
3 16 
87-2 
4-85504 
0-34560 
3 24 
87"5 
4-85396 
034583 
3 28 
87-5 
4-85283 
0-34603 
Perigueux ... 
12 
3 48 
10 
80-7 
12 29 1 
9-03809 
„ 12 
2 35 
80-8 
4-94071 
0-32995 
J Bourges 
14 
4 30 
700 
501896 
0-31554 
Paris 
16 
5 58 
10 
66-7 
13 29 38 
9-07024 
„ 16 
2 34 
72-4 
5 12921 
0-29683 
18 
8 1 7 a.m. 
62-2 
5-11971 
0-29775 
Amiens 
20 
2 58 
10 
705 
13 47 11 
9-07967 
., 20 
8 36 a.m. 
60-2 
5-18455 
0-28667 
3 16 
13 
691 
6 14 28 
9-07994 
8 40 
60-4 
5-18425 
0-28673 
8 44 
60 9 
5-18392 
0-28683 
The values of the total force and of its components, as also the changes in the mag- 
netic moment of the deflecting magnet, are at once deduced from the above Table. 
