480 Capt. Kater’s experiments for determining the variation 
October 3, A. M. at Clifton. 
Clock losing io‘,6o in a mean solar day. Barometer 29,22 
inches. 
Temp. 
Time of coin- 
cidence. 
Arc 
of vibra- 
tion. 
Mean 
Arc. 
Interval 
in 
seconds. 
No. of 
vibrations. 
Observed 
vibrations 
n 24 hours. 
Correc- 
tion for 
Arc. 
Vibrations 
in 24 hours. 
57,2 
57,7 
h. m. s. 
7-32.46 
41.34 
50.23 
59.10 
8. 7-59 
16.48 
25.38 
34.27 
43.17 
52. 7 
9. 0.5S 
0 
1,23 
1,17 
1,12 
1,07 
1,02 
0,98 
0,93 
0,88 
0,84 
0,82 
0,78 
O 
1,20 
1,14 
1,09 
1,04 
1,00 
0,95 
0,90 
0,86 
0,83 
0,80 
528 
529 
527 
529 
529 
530 
529 
530 
530 
531 
S. 
2,36 
2.13 
1,95 
1,77 
1,64 
1,48 
1,33 
1,21 
1.13 
1,05 
57,4 
Mean 
529,2 
527,2 
86062,91 
1,61 
86064,52 
October 3, P. M. Barometer, 29,20 inches. 
' 58,2 
58,3 
1.56.23 
2. 5. 9 
13.57 
22.44 
31.31 
40.19 
49. 7 
57-56 
3. 6.45 
15.34 
24.23 
1,28 
1,23 
1,17 
1,12 
1,07 
1.02 
0,9? 
0,93 
0,89 
0,84 
0,81 
• 
1,25 
1,20 
1,14 
1,09 
1,04 
0,99 
0,95 
0,91 
0,86 
0,82 
526 
528 
527 
527 
528 
528 
529 
529 
529 
529 
1 
; 
2,57 
2.36 
2,13 
1,95 
1,77 
1,61 
1,48 
1.36 
1,21 
1,10 
58,2 
Mean 
528 
526 
86062,17 
1,75 
86063,92 
