experiments made with an invariable pendulum. 
55 
Observation of Coincidences at Port Bowen ( <md Series ) -—continued. 
A. M. July 9, 1825, Port Bowen. 
Clock gaining at an assumed rate Hve r . < T cm P’ 5 2 • g ar r ) B e g g - 2 9 - 7 5 ° mer - 49 ■ 
69 s . 88 in 24 h, 78 1 Dew P . 44°. Ear '{ End®. 29.750 - 51° 
7 = 29.812 mean cor. 
J to temp, of pend. 
Temp. 
0 
5 !>° 
51,0 
50.8 
51,0 
5 1 ’ 1 
SC 0 
51,0 
51.8 
5 2 >3 
52,7 
Time of 
Disappear- 
ance. 
Time of 
Re-appear- 
ance. 
Mean of Dis- 
appearance 
and Re-ap- 
pearance. 
Arc of 
vibra- 
tion. 
Mean 
Arc. 
Interval in se- 
conds of Clock. 
Observed vibrations in 24 h. 
Correct, 
for Arc. 
Vibra. in 24 h. cor. for Arc. 
Disap. 
Disap. & 
Re-ap. 
Disappearance. 
Mean of Disap. 
and Re-ap. 
Disappearance. 
Mean of Disap. 
and Re-ap. 
b. m. s. 
6 44 3 i 
56 6 
7 7 4 * 
19 18 
30 56 
4 2 33 
54 u 
8 5 48 
17 26 
29 4 
ra. s. 
44 35 
56 11 
7 47 
19 25 
31 2 
42 40 
54 18 
5 57 
17 36 
2 9 13 
m. s. 
44 33 
56 8,5 
7 44’ 5 
19 21,5 
30 59 
42 36,5 
54 H .5 
5 5 2 ’5 
17 3 1 
29 8,5 
O 
I.19 
I. IO 
1.02 
O.95 
0.88 
082 
0.76 
0.72 
0.67 
0.62 
0 
1. 145 
1.060 
0.985 
0.915 
0850 
0.790 
0,740 
0.695 
0.645 
s. 
695 
696 
696 
698 
697 
698 
697 
698 
698 
s, 
695.5 
696 
697 
697.5 
697.5 
698 
698 
698.5 
697.5 
86221.046 
86221,403 
86221,403 
86222,1 16 
86221,760 
86222,1 16 
86221,760 
86222,1 16 
86222,1 16 
86221,225 
86221,403 
86221,760 
86221,938 
86221,938 
86222,1 16 
86222,1 16 
86222,293 
86221,938 
vib.- 
2.143 
1-837 
I.586 
1 - 3 6 9 
I.178 
1.020 
O.895 
O.788 
0.680 
86223,1 89 
86223,240 
86222,989 
86223,485 
86222,938 
86223,136 
86222,655 
86222,904 
86222,796 
86223,368 
86223,240 
86223,346 
86223,307 
86223,1 16 
86223,136 
86223,01 I 
86223,081 
86222,618 
5 M 7 
i ,37 
Mean. 
Correction for Temp. i°.37. 
D iff. to 50°. .... . , ^ „ 0 
Vibra. in 24I1. at Temp. 50. 
86223,037 
+ <>,579 
86223,136 
+ 0,579 
86223,616 
86223,715 
P. M. July 9, 1825, Port Bowen. 0 c 0 „ ..0. 
Clock gaining at an assumed rate Hyg r . ^ t-, 6111 p' t Bar 1 . £ 2 9 ’ 7 S 11 er ‘ 5 ’ 5 - 
69 *.88 in 24 h. * Dew P • 4 2 °- 1 Endg - 2 9>749 - 5 '°- 5 - 
7 =: 29,811 mean cor. 
j to temp, of pend. 
53 =° 
52,6 
5 2 >7 
52,6 
52.6 
5 2 .7 
52.8 
52,8 
S 2 >9 
52,8 
10 30 19 
41 51 
53 2 7 
11 $ 1 
16 36 
28 12 
39 48 
51 25 
12 3 2 
H 38 
30 21 
41 56 
53 31 
5 8 
*6 43 
28 20 
39 56 
5 i 33 
3 10 
14 48 
30 20 
4 i 53.5 
53 2 9 
5 4.5 
> 6 39’5 
28 16 
39 5 2 
5 1 2 9 
3 6 
H 43 
1.20 
1. 12 
1.04 
0.97 
0.90 
0.84 
0.79 
°-73 
0.69 
0.63 
1. 160 
1.080 
1.005 
°-935 
0.870 
0.815 
0.760 
0.710 
0.660 
692 
696 
694 
695 
696 
696 
697 
697 
696 
693.5 
695.5 
695.5 
695 
696.5 
696 
697 
697 
697 
86219,967 
86221,403 
86220,687 
86221,046 
! 86221,403 
86221,403 
86221,760 
86221,760 
86221,403 
86220,508 
86221,225 
86221,225 
86221,04 6 
86221,582 
86221,403 
86221,760 
86221,760 
8622 1,760 
2.200 
i- 9°7 
1.651 
1.429 
1 - 2 37 
1.086 
0.944 
0.824 
0.712 
86222,1 67 
86223,3 10 
86222,338 
86222,475 
86222,640 
86222,489 
86222,704 
86222,584 
86222,1 15 
86222,708 
86223,132 
86222,876 
86222,475 
86222,819 
86222,489 
86222,704 
86222,584 
86222,472 
S 2 >75 
2 >75 
Mean. 
Correction for Temp. 2°.y;. 
Diff. to 50°. ., . h o 
D Vibra. in 24“ at Temp. 50 . 
86222,536 
+ 1,163 
86222,695 
+ M63 
86223,699 
86223,858 
