the length of the pendulum at Madras. 
161 
Barometer / 3° > 01 7 
Hygrometer if , 5. barometer | 30 007 
Mean - 30,01s 
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. 
OO OO 00 
Ox ON vi 
00 00 
h. m. s. 
3 56 31,37 
4 8 21,25 
20 12,62 
32 4,13 
43 56,88 
0 
1,14 
1,03 
0,95 
0,87 
0,79 
O 
1,085 
0, 99 
0, 91 
0, 83 
// 
709,88 
7 H ,37 
711 , 5 ! 
712,75 
707,88 
7 C 9,37 
709,5! 
710,75 
86156,584 
86157,088 
86157,136 
86157,558 
+ 
1,929 
1,606 
1,357 
1,128 
+ 
7,170 
7,127 
7,106 
7,106 
86165,683 
86165,821 
86165,599 
86165,792 
86,87 
Mean Rate of the Clock 
86165,724 
+ ,760 
86166,484 
April 22, A. M. D 
r Barometer < 
Rate of Clock -f- o"98 1 
Hygrometer if dry (beginning.) [ Mean 
r 30,022 
30,016 
3°> 01 9 
83.2 
83.3 
83,3 
b. m. s. 
17 45 46 
57 4° 
18 9 35,62 
21 32, 5 
33 3 1 
1,26 
1,18 
1,09 
I, 0 
°,93 
O 
I, 22 
M 35 
i,° 4 S 
0,965 
// 
714 
715,62 
716,88 
718, 5 
712 
713,62 
714,88 
716, 5 
86157,983 
86158,531 
86158,955 
86159,498 
+ 
2,439 
2,110 
1,789 
1,526 
+ 
5,596 
5,617 
5,626 
5,626 
86166,018 
86166,258 
86166,370 
86166,650 
83,27 
Mean Rate of the Clock 
86166,324 
+ ,980 
86167,304 
MDcccxxir. Y 
