PENDULUM AT THE ROYAL OBSERVATORY, CAPE OF GOOD HOPE. 161 
Mr. Browne, at whose house these observations were made, favoured me 
with the rate of the clock, as follows : 
1825. 
July 31 
August 1 
2 
3 
4 
5 
6 
Cumming with Molyneux set = 
s 
12 p.m. 
noon 
12 p.m. 
noon 
12 p.m. 
noon 
12 p.m. 
noon 
12 p.m. 
noon 
12 p.m. 
noon 
+ 0.2 
0.4 
0.6 
0.8 
1.0 
1.2 
1.4 
1.6 
1.8 
2.0 
2.2 
+ 2.4 
+ 0.2 
0.2 
0.2 
0.2 
0.2 
0.2 
0.2 
0.2 
0.2 
0.2 
+ 0.2 
Molyneux with Mean Time. 
S 
July 30th, fast 0.26 
Aug. 6th, 0.55 
4- )0i9 
0.042 per diem. 
Cumming gains 0.400 
Gains on Mean Time. . 0.442=rate. 
Observations made with the pendulum (No. 4, of Sabine). Observatory, 
Cape of Good Hope. Lat. 33° 55' 56". By Captain Ronald. 
1828. 
Barometer. 
Thermometers. 
No. of 
Coin. 
Disapp. 
Re- 
app. 
Time of 
Coincidence. 
Arc. 
A. 
B. 
inches. 
m 
s 
m 
s 
h m s 
r 
29.906 
72.2 
73.2 
1 
4 
53 
5 
9 
12 5 1.0 
1.03 
INOV. Z6 4 
29.917 
74.7 
75.7 
31 
42 
5 
42 
17 
14 42 11.0 
.48 
j 
r 
29.917 
75.7 
74.6 
1 
50 
2 
50 
15 
14 50 8.5 
1.11 
”1 
L 
29.947 
71.3 
72.3 
31 
27 
13 
27 
26 
17 27 19.5 
.51 
r 
29-956 
67.8 
68.4 
1 
56 
22 
56 
35 
12 56 28.5 
1.215 
29.983 
71.2 
71.8 
31 
33 
57 
34 
9 
15 34 3.0 
.520 
\ 
29-986 
70.2 
70.9 
1 
14 
13 
14 
27 
16 14 20.0 
1.27 
29-951 
69.3 
69.9 
31 
51 
50 
52 
2 
18 15 56.0 
.52 
29.951 
69.3 
69-9 
1 
57 
45 
57 
59 
18 57 52.0 
1.27 
”1 
L 
29-964 
68.1 
68.9 
31 
35 
23 
35 
36 
21 35 29.5 
.53 
29.966 
66.3 
67.2 
1 
55 
49 
56 
1 
9 55 55.0 
1.175 
40 | 
29-998 
67.5 
68.2 
31 
33 
44 
33 
59 
12 33 51.5 
.495 
29-998 
67.5 
68.1 
1 
41 
20 
41 
33 
12 41 26.5 
1.32 
55 * 
30.006 
70.6 
71.4 
31 
19 
5 
19 
17 
15 19 11.0 
.54 
29.997 
72.7 
73.4 
1 
25 
52 
26 
8 
16 26 0.0 
1.200 
55 < 
29.966 
72.3 
73.0 
31 
3 
8 
3 
22 
19 3 15.0 
.515 
J 
r 
29-963 
71.7 
72.6 
1 
19 
7 
19 
21 
19 19 14.0 
1.20 
”1 
L 
29.966 
71.9 
72.8 
31 
56 
31 
56 
44 
21 56 37-5 
.50 
Mean. . 
29-963 
mdcccxxx. 
Y 
