498 Capt. Kater’s experiments for determining the variation 
May 14, A. M. Shanklin Farm. 
Clock losing 9*,^. Barometer 30,14 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. 
60% 
60 ,7 
h. m. s. 
9.35.41 
44. 8 
52.35 
10. 1. 3 
9-31 
17.59 
26.28 
34.56 
43.25 
51.54 
11. 0.23 
O 
M9 
1,14 
1,08 
1,03 
0,9 9 
0,95 
0,92 
0,88 
0,84 
0,80 
0,76 
O 
3,16 
1,11 
1,05 
1,01 
0,97 
0,93 
0,90 
0,8 6 
0,82 
0,78 
507 
507 
508 
508 
508 
509 
508 
509 
509 
509 
S. 
2,20 
2,01 
1,81 
1,67 
1,54 
1,42 
1,33 
1,21 
1,10 
1,00 
60,5 
Mean 
508,2 
506,2 
86050,61 
1,53 
£6052,14 
May 14, 
P. M. 
Barometer 30,10 inches. 
60,7 
60,9 
' — 
0.16.14 
24.41 
33. 8 
41.36 
50. 4 
58.32 
1.7-0 
15.28 
23.56 
32.25 
40.54 
1,18 
1,13 
1,08 
1,03 
0,98 
0,94 
0,90 
0,86 
0,82 
0,78 
0,75 
1,15 
1,10 
1,05 
1,00 
0,96 
0,92 
0,88 
0,84 
0,80 
0,76 
50 7 
507 
508 
508 
508 
508 
508 
508 
50 9 
509 
2,17 
1,99 
1,81 
1,64 
1,51 
1,39 
1,27 
1,16 
1,05 
0,95 
60,8 
Mean 
508 
50 6 
86050,48 
1,49 
86051,97 
