the length of the pendulum at Madras. 
143 
March 31, P. M. 
Barometer { 3 0,0 9 ^ 
Clock losing 2" 10 1 
1 30,114 
Hygrometer i4° s 6 dry. J 
Mean - 30,106 
Temp. 
Time of coin- 
cidence. 
Arc 
of vibra- 
tion. 
I 
Mean 
Arc- 
Interval 
in 
seconds . 
Number 
of vibra- 
tions. 
Observed 
vibrations 
in 24 hours. 
Coriec- 
tion for 
Arc. 
For 
Tempe- 
rature. 
Vibrations 
in 24 hours. 
81,3 
81,15 
81,25 
h. m. s. 
5 59 2 7 , 5 
6 11 28, 5 
23 31.62 
35 35 , 5 
47 4°, 3 7 
0 
1,21 
*>*3 
i,c6 
0,99 
0,92 
O 
*, *7 
1,095 
1,025 
0,955 
// 
7 2 1, 5 
723,12 
723,88 
724,87 
7 1 9 > 5 
721,12 
721,88 
722,87 
86160,50 
86161,03 
86161,29 
86l6l,6l 
+ 
2,243 
1,964 
1,721 
1,494 
+ 
4,763 
4,733 
4,725 
4,750 
86167,506 
86167,727 
86 167,736 
86167,854 
00 
N 
01 
Mean Rate of the Clock 
86167,706 
— 2,100 
86165,606 
0 . „ , Barometer 
Hygrometer 130,5 dry. 
Mean 
r 30,114 
30,122 
81,3s 
81,55 
8**95 
h. m. s. 
6 59 59 , 5 
12 2,25 
24. 6,62 
36 12,37 
48 19,00 
0 
1,20 
1,12 
1,04 
°,95 
0,87 
O 
1, 16 
1, 08 
°,995 
0, 91 
// 
722.75 
7 2 4,37 
7 2 5.75 
726,63 
720.75 
722,37 
723.75 
724,63 
86160,91 
86161,45 
86161,90 
86162,19 
+ 
2,205 
1,911 
1,622 
*,357 
+ 
4,822 
4,864 
4,941 
5,021 
86167,937 
86168,225 
86168,463 
86168,568 
81,62 
Mean Rate of the Clock 
86168,298 
— 2,100 
86166,198 
