the length of the pendulum at Madras, 
'57 
April 22, P. M. 
Rate of Clock -f o ",76 1 
Hygrometer i 8°,4 dry.J 
Barometer 
Mean 
3°>°3 8 
30,025 
30,032 
Temp. 
Time of coin- 
cidence. 
Arc 
of vibra- 
tion. 
Mean 
Arc- 
interval 
in 
seconds. 
Number 
of vibra- 
tions. 
Observed 
vibrations 
in 24 hours. 
Correc- 
tion for 
Arc. 
For 
.Tempe- 
rature. 
Vibrations 
in 24 hours. 
87,6 
87,3 
87,2 
h. m. s. 
2 9 20,37 
2 1 8,50 
32 56,87 
44 46,5° 
5 6 37,37 
0 
1,24 
1,13 
1,04 
0,96 
0,89 
O 
1,185 
1,085 
I, OO 
0,975 
// 
708,13 
708,37 
709,63 
710,87 
7°6, 1 3 
706,37 
707,63 
708,87 
86i 5 5,977 
861 56,059 
86156,492 
86156,917 
+ 
2,301 
1,929 
1,638 
x ,5 5 8 
+ 
7,4* 1 
7,3 5 2 
7,309 
7,288 
86165,689 
86165,340 
86165,439 
86165,763 
8 7,37 
Mean Rate of the Clock 
86165,558 
+ ,760 
86166,318 
Barometer / 3 °j ° 2 5 
|_3o,oi7 
Mean - 30,021 
87,2 
87,1 
87 
h. m. s. 
3 3 6 ,37 
14 54,62 
26 43,63 
38 34,38 
50 25,87 
0 
1,23 
I, II 
1,02 
o,94 
0,85 
O 
1, «7 
1,065 
0, 98 
0,895 
// 
708,25 
709,01 
710,75 
7H,49 
706,25 
707,01 
708,75 
709,49 
86156,01 8 
86156,279 
86156,876 
86157,122 
+ 
2,243 
1,858 
C574 
1,312 
+ 
7,268 
7,H 6 
7,221 
7,204 
86165,529 
86165,383 
86165,671 
86165,638 
87,1 
Mean Rate of the Clock 
86165,555 
+ ,7 6 0 
86166,315 
