44$ Capt. Kater’s experiments for determining the variation 
June 15 , A. M. London. 
Barometer 30,05 inches, clock gaining i*,5. 
Temp. 
Time of coin- 
cidence. 
Arc 
of vibra- 
tion. 
Mean 
Arc. 
Interval 
in 
seconds. 
Nc. of 
vibrations. 
Observed 
vibrations 
in 24 hours. 
Correc- 
tion for 
Arc. 
Vibrations 
in 24 hours. 
69,6 
70,3 
h. m. s. 
10. 3.10 
11.20 
19.31 
27-42 
35.54 
44. 5 
52.17 
O 
1.34 
1.29 
1.23 
1.18 
1.13 
1.09 
1.05 
O 
1,31 
1,26 
1,20 
1,15 
1,11 
1,07 
490 
491 
491 
492 
491 
492 
S. 
2,81 
2,60 
2,36 
2,17 
2,02 
1,88 
69,9 
Mean 
491,17 
489,17 
86049,68 
2,31 
86051,99 
1 June 16, A. M. Barometer 29,95 inches. 
70,3 
70,8 
9.58.13 
10. 6.24 
14.34 
22.46 
30.57 
39. 9 
47.21 
55.33 
11. 3.45 
11.58 
20.10 
1,26 
1,22 
1,16 
1,12 
1,06 
1,02 
0,98 
0,94 
0;90 
0,87 
0,82 
1,24 
1,18 
1,14 
1,09 
1,04 
1,00 
0,96 
0,92 
0,88 
0,84 
491 
490 
492 
491 
492 
492 
492 
492 
493 
492 
2,52 
2,28 
2,13 
1,95 
1,77 
1,64 
1,51 
1,39 
1,27 
1,15 
70,5 
Mean 
491,7 
489, 7 
86050,06 
1,76 
86051,82 
