/ 
the length of the pendulum at Madras. 163 
Tj Q o R Barometer { 3 0 >°°8 
Hygrometer 18 ,6. ^30,000 
Mean - 30,004 
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. 
O 
h. m. s. 
O 
0 
II 
+ 
+ 
CO 
00 
3 20 31 
1,21 
I, 16 
717-37 
715.37 
86155,714 
2,205 
7 -Z 97 
86165,216 
32 18,37 
I, II 
I, 07 
710,00 
708,00 
861 56,619 
1,876 
7-254 
86165,749 
87,1 
44 08,37 
1,03 
0, 98 
709,38 
707 - 3 8 
86156,407 
1-574 
7,225 
86166,143 
55 57-75 
o -93 
0,395 
712,12 
710,12 
86157,344 
I-312 
7-2l6 
86165,872 
87-05 
4 7 49»87 
0,86 
• 
86165,745 
87-15 
Mean 
Rate of the Clock 
+ - 99 ° 
86166,735 
