348 
Date. 
N. Enp oF MaGnet MOVING E, 
N. End oF MAGNET MOVING W. 
OBSERVATIONS OF VIBRATIONS FOR THE ABSOLUTE HorizontTau INTENSITY, 1846. 
BIFILAR. 
Time 
of 
Transit. 
No. 
of 
Time 
of 
Transit. 
Time of 
one 
Vib. 
Transit. 
Time 
of 
Transit. 
Time of 
one 
Vib. 
Read- 
ing 
Cor. 
5-7 
39-1 
41-2 
14-5 
16-7 
50-0 
52-0 
25-0 
27-3 
0-6 
2-7 
35-8 
37-8 
11-0 
Mean observed time of one vibration = 158°5270. Semi-are of vibration 
of magnet, 48°-7. Rate of clock 
. mm. & 
5 13-0 
6 46-2 
7 48-3 
9 21-4 
10 23-6 
11 56-6 
12 58-8 
14 31-7 
15 33-9 
17 7-0 
18 9-0 
19 42-2 
20 44-4 
22 17-7 
15-533 
530 
530 
21-5 
23-6 
57-1 
59-2 
32-4 
34-6 
7:8 
9:9 
43-2 
45°3 
18-6 
20-6 
53-8 
56-0 
, commencing 8°, ending 24°. 
—187 
550-2 
Se. Div. 
Ther- 
mome- 
ter. 
ae 
46-3 
552-3 
551-6 
555-4 
557-0 
557-7 
552-5 
549-2 
553-2 
Temperature 
27:8 
|7 54 30-0 
56 3-4 
57 5-4 
58 38-8 
59 40-9 
1 14-2 
2 16:3 
3 49-6 
4 51-7 
6 24-9 
7 27-1 
9 0-4 
15-560 
557 
553 
553 
552 
Mean observed time of one vibration = 15%:5576. 
61 
65 
47-2 
15-573 || 
573 
567 
Semi-arc of vibration, commencing 7}°, ending 1}°. 
of magnet, 56°-2. 
565-9 | 54-4 
563-7 
562-3 
560-0 
562-2 
559-4 
562-3 
Temperature 
