PENDULUM AT THE ROYAL OBSERVATORY, CAPE OF GOOD HOPE. 171 
Second Series. 
1829. 
Attached 
Therm. 
Barom. 
Thermometers. 
No. of 
Coin. 
Disapp. 
Re-app. 
Time of Coincid. 
by the Sidereal 
Clock. 
Arc. 
A. 
B. 
inches. 
m s 
m s 
h ms 
Dec. 18 
[ 
66.1 
30.022 
6o.2 
65.7 
1 
15 26 
15 38 
11 15 32 
1.78 
69.5 
30.053 
68.1 
68.7 
53 
49 17 
49 35 
15 49 26 
0.39 
f 
70.0 
30.053 
71.2 
71.7 
1 
0 9 
0 13 
16 Oil 
1.87 
5> 
72.0 
30.016 
72.2 
72.4 
59 
4 21 
4 37 
21 4 29 
0.40 
r 
72.1 
30.015 
72.2 
72.4 
1 
25 47 
26 4 
21 25 55| 
1.12 
55 
71.0 
30.024 
71.0 
71.5 
16 
44 30 
44 47 
22 44 38A 
0.76 
j 
r 
71.0 
30.025 
71.0 
71.4 
1 
55 5 
55 22 
22 55 13| 
0.89 
” 1 
71.5 
30.054 
70.1 
70.5 
18 
24 26 
24 42 
0 24 34 
0.55 
IQ J 
r 
67.5 
30.165 
68.0 
68.3 
1 
56 39 
56 47 
12 56 43 
1.72 
19 1 
72.0 
30.185 
71.5 
72.0 
58 
16 5 
16 18 
17 56 11| 
0.37 
J 
r 
72.0 
30.185 
71.6 
72.2 
1 
1 37 
1 45 
18 1 41 
1.79 
”1 
72.5 
30.102 
70.6 
71.2 
54 
39 43 
39 57 
22 39 50 
0.39 
J 
r 
72.5 
30.101 
71.2 
71.7 
1 
44 54 
45 11 
22 45 
0.92 
”1 
71.0 
30.086 
69.8 
70.2 
20 
24 48 
25 7 
0 24 57! 
0.58 
r 
67.5 
30.023 
67.2 
67.8 
1 
19 24 
19 31 
11 19 27| 
1.77 
ZVj < 
72.0 
29.995 
73.8 
74.2 
63 
44 56 
45 7 
16 45 l! 
0.34 
J 
72.5 
29.994 
74.9 
74.9 
1 
51 39 
51 47 
16 51 43 
1.74 
”1 
75.0 
29.909 
76.8 
77.1 
52 
18 26 
18 44 
21 18 35 
0.44 
75.0 
29.908 
77.0 
77-0 
1 
30 29 
30 46 
21 30 37! 
1.31 
”1 
74.5 
29.901 
74.8 
75.3 
36 
33 38 
33 55 
0 33 46! 
0.50 
Mean. . 
71.360 
30.036 
Second Series computed. 
1829. 
Mean 
Temp. 
Interval. 
Uncorrected No. 
of Vibrations. 
Clock’s 
Rate. 
Correc. for 
Arc. 
Reduc. to 
62° Fahr. 
| Reduced Vib ns 
in 24 Mean Solai 
Hours. 
66.92 5 
h m s 
4 33 54 
86088.34 
-0.03 
+ 1.628 
+ 2.073 
86092.04 
71.875 
5 4 18 
86086.14 
0.03 
1.757 
4.157 
86092.02 
71.775 
1 18 43 
86086.28 
0.03 
1.427 
4.115 
86091.79 
70.600 
1 29 20! 
86087-04 
0.03 
0.849 
3.621 
86091.48 
69.950 
4 59 28! 
86086.90 
0.17 
1.505 
3.347 
86091.54 
71.400 
4 38 9 
86086.30 
0.17 
1.641 
3.957 
86091.73 
70.725 
1 39 55 
86087-40 
0.17 
0.906 
3.673 
86091.81 
70.750 
5 25 34 
86086.59 
0.08 
1.499 
3.684 
86091.69 
75.925 
4 26 52 
86084.68 
0.08 
1.689 
5.862 
86092.15 
76.025 
3 3 9 
86084.68 
-0.08 
+ 1.248 
+ 5.905 
86091.75 
Mean . . 
71.595 
Mean. . . . 
Buoyancy 
86091.76 
+ 5.90 
Number of Vibrations in vacuo 
of Coi n r i d pn pps — 41<U L umuero1 viDrauonsmva 
^i> 0 . or uoinciaences — 4Uj in 24 Mean So i ar Hours 
io, j 
86097.66 
z 2 
