OF AN INVARIABLE PENDULUM. 
255 
Table C. (Continued.) 
Exp. 8. Jan. 3rd. Clock making 86552.75 Vibrations. Barom. |go'o 7 o^ 30.285 33° 
No. of I 
Coincid. 
Therm. 
Times of 
Registered 
Arc. 
True 
Arc. 
Mean 
Therm. 
Mean 
Interval. 
Correc- 
tion for 
Arc. 
Vibrations in 
24 hours Mean 
Solar Time. 
Reapp. 
Disapp. 
Coincidence. 
1 
78 
33.8 
33.9 
m s 
13 27 
35 38 
m s 
13 35 
35 54 
h m s 
2 13 31 
8 35 46 
0.92 
0.11 
0.68 
0.08 
j 33.85 
s 
297.86 
s 
-f 0.18 
85971.78 
Exp. 9. Jan. 5th. Clock making 86552.75 Vibrations. Barom. 30.149 34°.5 
1 
81 
0 
35.4 
35.4 
m s 
16 25 
52 52 
m s 
16 31 
53 11 
h m s 
2 16 28 
8 53 1.5 
0.98 
.12 
0.75 
0.08 
: 
j 35.4 
S 
297-42 
s 
+ 0.20 
85970.94 
2 L 
MDCCCXXX 
