4 96 Capt. Kater's experiments for determining the variation 
May 12, A. M. Shanklin Farm. 
Clock losing 9 s , 4. Barometer 30,10 inches. 
Temp. 
Time of coin- 
cidence. 
Arc 
of vibra- 
tions. 
Mean 
Arc. 
Interval 
in 
seconds. 
No. of 
vibrations. 
Observed 
vibrations 
in 24 hours. 
Correc- 
tion for 
Arc. 
Vibrations 
in 24 hours. 
60,6 
61,4 
h. m. s. 
9.17.32 
25.59 
34.27 
42.54 
51.21 
59.49 
10. 8.17 
16.46 
25.15 
33.43 
42.11 
0 
1,18 
1,13 
1,08 
1,03 
0,98 
0,94 
0,90 
0,86 
0,83 
0,79 
0,76 
0 
1,15 
1,10 
1,05 
1,00 
0,96 
0,92 
0,88 
0,84 
0,81 
0,77 
507 
508 
507 
507 
508 
508 
509 
509 
508 
508 
s. 
2,17 
1,98 
1,81 
1,64 
1,51 
1,39 
1,27 
1,16 
1,08 
0,97 
61,0 
Mean 
507,9 
1 
505,9 
86050,46 
1,50 
86051,96 
May 12, P. M. Barometer 30,09 inches. 
1 61,2 
61,4 
0. 16.43 
25.10 
33.37 
42. 4 
50.31 
58.59 
1. 7-27 
15.55 
24.23 
32.51 
41.19 
1,21 
1,16 
1,11 
1,05 
1,00 
0,96 
0,93 
0,88 
0,84 
0,81 
0,77 
1,18 
1,13 
1,08 
1,02 
0,98 
0,94 
0,90 
0,86 
0,82 
0,79 
507 
507 
507 
507 
508 
508 
508 
508 
508 
508 
1 
2,28 
2.09 
1,91 
1,71 
1,57 
1,45 
1,32 
1,21 
1.10 
1,02 
61,3 
Mean 
507,6 
505,6 
86050,28 
1,57 
86051,85 
