made with an invariable pendulum. 
223 
5th July, P. M. at Mr. Browne’s. 
Clock losing 1 
s ,20 } Barora * 
30,10. 
Temp. 
Fahren- 
heit. 
Time of co- 
incidence. 
Arc of 
Vibra- 
tion. 
Mean 
Arc. 
Interval 
in 
Seconds. 
No. of 
Vibra- 
tions. 
Observed 
Vibrations 
in 24 hours. 
Correc- 
tion for 
A rc 
Vibrations in 
24 hours. 
0 
66,0 
66,6 
h. m. s. 
0 11 13 
28 09 
45 7 
1 2 6 
l 9 5 
3 6 7 
53 
1,15 
1,04 
0,94 
0,85 
°>77 
0,70 
0,63 
0 
1,09 
0,99 
0,89 
0,81 
°,74 
0,66 
IOl6 
1018 
1019 
10x9 
1022 
1023 
1 >9S 
1,60 
i, 3 ° 
1,08 
0,94 
0,71 
66,3 
Mean 
1019,5 
1017,5 
86229,31 
1,26 
86230,57 
6th July, P. M 
Clock losing 
at Mr. Browne’s. 
I s 
IQ j* Barom. 30,13. 
> 
65.6 
66.7 
h. m. s. 
1 16 39 
33 33 
50 29 
2 7* 26 
24 25 
4 i 23 
38 24 
1,18 
1,07 
0,96 
0,87 
°>79 
o ,73 
0,67 
1,12 
1,01 
0,91 
0,83 
0,76 
0,70 
IOI4 
1016 
1017 
IOI9 
IOl8 
1021 
2,06 
1,68 
1,36 
M3 
o ,94 
0,80 
66,i 
Mean 
1017,5 
101 5,5 
86229,07 
*>33 
86230,40 
