the length of the pendulum at Madras. 
155 
Hygrometer i7°,5 dry. 
Barometer 
3 °,° 3 ° 
30,032 
Mean - 30,031 
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 
6 
II 
+ 
+ 
86, 9 
-H 
^4 
00 
1,19 
1,145 
7 ° 9>73 
707 » 7 S 
86156,533 
2,148 
7,140 
86165,821 
14 27,62 
1,10 
1, 05 
710,88 
J08>88 
86157,061 
I,8o6 
7,115 
86165^982 
86, 8 
26 18, 5 
I, 0 
°,955 
711,37 
709,37 
86157,088 
I , 49 I 
7,085 
86165,664 
3 8 9> s 7 
0,91 
0,875 7 12 , 5 ° 
710,50 
86157,473 
1 , 2 55 
7,043 
86165,771 
86, 6 
50 2,37 
0,84 
86165,809 
86,73 
Mean 
Rate of the Clock 
+ > 37 ° 
86166,179 
April 21, A. 
' 30,064 
Kate of Clock 0 ",63 
i 
1 
30,062 
Hygrometer 14 0 dry. 
Mean 
30,063 
h. m. s. 
0 
0 
II 
+ 
+ 
oc 
>7 5 1 37 
J> 3°5 
1,25s 
708,62 
706,62 
861 56,489 
2,581 
5,681 
86164,751 
18 3 25,62 
1,205 
1,159 
710,13 
7 ° 8 , 1 3 
86156,664 
2,201 
5,702 
86164,567 
8 3,5 
l 5 * 5,75 
1,114 
1,082 
71 1,00 
709,00 
86 156,692 
1,918 
5,7 3 2 
86164,342 
2 7 6,75 
1,060 
1,023 
712,12 
7 10,12 
-'3- 
'+* 
1-0 
VO 
00 
C715 
5,773 
86164,832 
8 3>7 
3 8 5 8 , 8 7 
°’ 9 8 5 
86164,623 
8 3,53 
Mean 
Rate of the Clock 
+ ,630 
86165,253 
