in the length of the pendulum vibrating seconds. 485 
October 8, A. M. Clifton. 
Clock losing io‘,6o. Barometer 29,52 inches. 
Temp. 
Time of coin- 
cidence. 
Arc 
of vibra- 
tion. 
Mean 
Arc. 
Interval 
in 
seconds. 
No. of 
vibrations. 
Observed 
vibrations 
in 24 hours. 
Correc- 
tion for 
Arc. 
Vibrations 
in 24 hours. 
51,9 
52,5 
h. m. s. 
7-54.51 
8. 3.40 
12.30 
21.19 
30. 8 
39- 0 
47.51 
56.42 
9. 5.53 
14.24 
23.16 
O 
1,24 
1,19 
1,13 
1,08 
1,03 
0,99 
0,93 
0,90 
0,87 
0,83 
0,79 
O 
1,21 
1,16 
1,10 
1,05 
1,01 
0,96 
0,91 
0,88 
0,85 
0,81 
529 
530 
529 
529 
532 
531 
531 
531 
531 
532 
S. 
2,40 
2,20 
1,98 
1,81 
1,67 
1,51 
1,36 
1,27 
1,18 
1,07 
52,2 
Mean 
530,5 
528,5 
86063,71 
1,65 
86065,36 
October 8. P. M. Barometer 29,57 inches. 
• 52,7 
53,2 
2.24. 0 
42.49 
51.38 
3. 0.27 
9.17 
18. 7 
26.58 
35.48 
44.39 
53.30 
4. 2.21 
1,23 
1,18 
1,13 
1,07 
1,02 
0,98 
0,93 
0,89 
0,85 
0,81 
0,78 
1,20 
1,15 
1,10 
1,04 
1,00 
0,95 
0,91 
0,87 
0, S 3 
0,79 
529 
529 
529 
530 
530 
531 
530 
531 
531 
531 
2.36 
2,17 
1,98 
1,77 
1,64 
1,48 
1.36 
1,24 
1,13 
1,02 
52,9 
Mean 
530,1 
528,1 
86063,46 
1,62 
86065,08 
4 
