OF A PENDULUM AT GREENWICH AND LONDON 
97 
Exp. 13. Fresh impulse given. Barom. 29.36. Observer, Mr. T. G. Taylor. 
_• c 
!z '3 
Times of 
Disapp. Re-app, 
Coincidence. 
Arc and 
Correction. 
Mean 
Interval. 
Reduct, 
to 62°. 
Corrected Vibra- 
tions in a Mean 
Solar Day. 
55.5 
55.5 
55.5 
55.9 
55.9 
56.2 
1 
2 
3 
21 
22 
23 
39 25 
45 58 
52 30 
50 23 
56 56 
03 30 
m s 
39 26 
46 00 
52 32 
50 34 
57 08 
03 41 
h m 
23 39 
23 
23 
1 
1 
2 
25.5"! h m s 
45 59-0 V23 45 58.5 
52 31.0 J 
50 28.5-] 
57 02.0 V 1 57 02.0 
03 35.5 I 
0.95' 
0.43 
• + 0.74 
393.17 
-2.69 
85964.64 
Exp. 14. Fresh impulse given. Barom. | j 29.385. Observer, Mr. T. G. Taylor 
m 
S 
m 
s 
h 
m 
S 
56.7 
1 
10 
12 
10 
13 
2 
10 
12. 5"] 
h 
m 
S 
56.9 
2 
16 
43 
16 
45 
2 
16 
44.0 
> 2 
16 
44.5 
0.941 
> + 0.72 
56.8 
56.4 
3 
21 
23 
21 
16 
03 
23 
21 
18 
14 
2 
4 
23 
21 
17.0 J 
08.5 1 
392.87 
-2.30 
85964.70 
56.5 
22 
27 
36 
27 
47 
4 
27 
41.5 
> 4 
27 
41.83 
0.43. 
56.6 
23 
34 
10 
34 
21 
4 
34 
15.5 J 
Table D. — London, July 1828. Experiments with Pendulum 12. 
f 29 68 1 
July 8th. Clock making 86400 Vibrations in a Mean Solar Day. Barom. < <,g’gg > 29.67 
No. of |l 
Coincid. j 
Temp. 
Times of 
Arc of 
Vibration. 
Mean 
Interval. 
Correction 
for Arc. 
Reduct, 
to 72°. 
Corrected Vibra- 
tions in a Mean 
Solar Day at 72°. 
Disapp. 
Re-app. 
Coincidence. 
m s 
m s 
h m s 
1 
71-7 
43 29 
43 33 
9 43 31.0 
1.115 
s 
s 
s 
6 
71-7 
15 44 
15 49 
10 15 47.5 
0.915 
387.45 
+ 1.44 
—0.13 
85955.31 
11 
71-7 
48 02 
48 09 
10 48 05.5 
0.775 
16 
71-7 
20 23 
20 30 
11 20 26.5 
0.625 
388.25 
+ 0.68 
-0.11 
85955.49 
21 
71.8 
52 43 
52 53 
11 52 48.0 
0.520 ^ 
26 
71.9 
25 04 
25 16 
12 25 10.0 
0.450 
388.40 
+ 0.33 
-0.04 
85955.39 
31 
72.0 
57 26 
57 38 
12 57 32.0 
0.380 j 
36 
72.1 
29 46 
30 03 
1 29 54.5 
0.310 
388.45 
+ 0.18 
+ 0.04 
85955.38 
41 
72.2 
02 07 
02 26 
2 02 16.5 
0.260^ 
46 
72.3 
34 29 
34 50 
2 34 39.5 
0.210 
388.55 
+ 0.08 
+ 0.13 
85955.49 
51 
72.4 
06 50 
07 14 
3 07 02.0 
0.190 J 
56 
72.4 
39 10 
39 40 
3 39 25.0 
0.160 
\ 
388.50 
+ 0.04 
+ 0.17 
85955.43 
61 
72.4 
11 30 
12 04 
4 12 47.0 
0.120 j 
66 
72.4 
43 50 
44 30 
4 44 10.0 
0.100 
388.55 
+ 0.02 
+ 0.17 
85955.47 
71 
72.4 
16 09 
16 56 
5 16 32.5 
0.090 J 
72.07 
85955.42 
MDCCCXXIX. 
O 
