length of the pendulum vibrating seconds. 
Slider 1 9 divisions. . , . Barometer 
Clock gaining 0", 1 8 Great weight above. 2Qi7Q 
on mean time. 
Temp. 
Time of co- 
incidence. 
Arc of 
vibration 
Mean 
arc. 
Interv. in 
seconds. 
No. of 
vibrats. 
Vibrations 
in 24 hours. 
| Corr. 
1 for arc. 
Vibrations in 
24 hours. 
July 
I St. 
° 6 9>3 
69,2 
m. s. 
0.52 
9.17 
17.42 
1,21 
1,00 
0,86 
1,10 
0.93 
IT', in 
0 0 
in vn 
O O 
to 10 
00 00 
O-N ON 
O O 
v-n Cr» 
'vj 
oo oo 
s. 
i j9 8 
1,42 
Mean 
Clock 
86059,80 
86059,24 
86059,52 
+ 0,18 
69,3 
mean 
86059,70 
Great weight below. 
6 9>3 
6 9>3 
22.57 
3121 
39-45 
i-o ro O 
N « O 
1,19 
1,06 
504 
5°4 
502 
502 
86057,16 
86057,16 
2,31 
1,83 
Mean 
Clock 
86059,47 
86058,99 
86059,23 
+ 0,18 
86059,41 
69,3 
mean 
