IN THE OBSERVATORY OF GREENWICH. 
479 
dulum. The slider was moved to 1.633 inch from the middle of the pendulum 
towards the weight. The pendulum was then replaced, and the experiments 
were commenced for determining the rate clue to the distance between the 
axes of suspension. 
Slider at 1.633 inch from the middle towards the weight. Weight below. 
Exp. H 
August 24 p.m. to August 25 a.m. Dent 
making 86466.29 vibrations. 
g 
CJ 
fcfl 
Times of 
Arcs. 
Mean 
Mean 
Mean 
Correc- 
tion for 
Arc. 
Vibrations 
'Z* 
c3 
o 
Disap. 
Reap. 
Coincidences. 
Temp. 
Interval. 
Gauge. 
in 24 hours. 
in. 
in s 
m s 
h m s 
r 56.62 
1 
117 
58.45 
54.8 
0.965 
1.450 
42 5743 07 
AT ifiAl Ad 
5 43 02 
19 41 31 
1.24 
0.26 
J 
+ 0.75 
433.70 
1.207 
+ 0.95 
86068.49 
1 
- 57.37 
Exp. I. 
August 25 
A.M. to August 25 P.M. 
Dent making 86466.31 vibrations. 
o 
in. 
m s 
m s 
h m s 
O 
1 
55.0 
0.76 
09 53 
10 04 
20 09 58.5 
1.08 
55.86 
v + 0.75 
55.4 
22 0 0 
56.0 
24 0 0 
434.15 
0.930 
+ 1.05 
86069.04 
56.4 
2 0 0 
56.61 
78 
56.5 
1.10 
26 56 
27 20 
5 27 08 
0.42 
Exp. K. 
August 25th p.m. to August 26th a.m. Dent making 86466.33 vibrations. 
O 
in. 
m s 
m s 
h m s 
O 
f 55.50 
O 
1 
122 
56.6 
54.4 
1.10 
1.63 
32 23 
07 39 
32 34 
08 11 
5 32 28.5 
20 07 55 
1.22 
0.21 
i 
+ 0.75 
434.10 
1.365 
+ 0.85 
86068.80 
56.25 
Exp. L. 
August 26th 
a.m. to August 26th p.m 
. Dent making 86466.1 5 
vibrations. 
in. 
m s 
m s 
h m s 
O 
1 
32 02 
32 14 
'I 
2 
55.0 
0.685 
>20 39 22 
0.99 
3 
46 30 
46 42 
J 
55.92 
55.8 
56.4 
— 
— 
23 45 0 
2 45 0 
4 
L, 0.75 
434.42 
0.938 
+ 0.93 
86069.01 
74 
20 29 
20 52 
56.67 
75 
56.5 
1.190 
27 43 
27 06 
> 5 27 55 
0.40 
J 
76 
— 
34 58 
35 22 
J 
3 Q 
MDCCCXXXI. 
