the length of the pendulum at Madras 
135 
Hygrometer 13, dry 
Barometer J 3° sl 40 
Mean - 30,141 
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. 
h. m. s. 
O 
0 
II 
+ 
+ 
184, 9 
10 30 16,6 
1,20 
1,165 
713,65 
711,65 
86157,86 
2,224 
6,315 
86166,399 
42 10,25 
M 3 
1,085 
7 * 5,25 
713,25 
86158,01 
1,929 
6,332 
86166,654 
85 
54 5.5 
1,04 
1,015 
717,0 
715 , O 
86159,00 
1,688 
6,345 
86167,033 
11 6 2,5 
0,99 
0,945 
7 I 5, 6 5 
713,65 
86158,64 
1,463 
6,345 
86166,348 
85 
17 58,15 
0,90 
86166,608 
84.97 
Mean 
Rate of the Clock 
— , 39 ° 
86166,218 
March 25 , 
Barometer 
[30,143 
Clock losing 
i",49 
[ 30,147 
Hygrometer 
12 0 . dry J 
Mean 
30,145 
O 
h. m. s. 
O 
0 
11 
+ 
+ 
OC 
O 
OO 
6 14 0,25 
1,24 
1,205 
717,5 
715, 5 
86159,16 
2,379 
4,433 
86165,972 
25 57,75 
i ,»7 
1,130 
720,25 
718,25 
86160,08 
2,092 
4,581 
86166,79 
81,0 
37 58 
1,09 
‘,055 
720,5 
718, 5 
86160,03 
1,826 
4,674 
86166, 530 
49 58,5 
1,02 
0,980 
722,6 
720, 6 
86160,86 
i ,574 
4,716 
86167,150 
81,2 
7 2 1, 1 
0,94 
86166,601 
80,83 
Mean 
Rate of the Clock 
— 1,490 
86165,1 1 1 
