38 
Lieutenant Foster’s account of 
Observation of Coincidences at Port Bowen (ist Series ) — continued. 
Afternoon, 21st June, 1825, Port Bowen. 
Clock gaining at a mean rate 69 s .88. 
Hyg r . 
(Temp. 50°. 
| Dew P*. 36°. 
Bar r 
( Begs. 29.709 mer. 
(Ends. 29.700 — 
46°. ra 29,767 mean cor. 
45 0 . J to temp, of pend. 
Observed vibrations in 24 h. 
Disappearance. 
Mean of Disap. 
and Re-ap. 
Correct, 
for Arc. 
86219,606 
86219,786 
vib. 
2.OI4 
86222,470 
86222,293 
1-735 
86224,227 
86224,402 
1 .460 
86222,1 16 
86222,470 
1.237 
86222,823 
86222,823 
1.086 
86222,823 
86223,000 
0.944 
86222,823 
86223,000 
0.812 
86223,176 
86223,352 
0.701 
86223,1 76 
80223,352 
0.608 
Temp. 
o 
5» 
49’5 
49»5 
49>° 
Time of 
Disappear- 
ance. 
Time of 
Re-appear- 
ance. 
h. m. s. 
i 31 23 
4 z 54 
54 33 
2617 
17 55 
2 9 35 
4 1 *5 
52 55 
3 4 3 6 
16 17 
31 27 
42 59 
54 37 
6 22 
18 2 
29 42 
4i 23 
53 4 
4 46 
16 28 
Mean of Dis- 
appearance 
and Re-ap- 
pearance. 
Arc of 
vibra- 
tion. 
m. 
31 
42 
54 
6 
1 7 
29 
4 1 
5 2 
4 
16 
s. 
25 
56.5 
35 
l 9> 5 
58.5 
3 8 >5 
l 9 
S9>5 
41 
22.5 
O 
x.15 
1.07 
0.99 
0.90 
0.84 
0.79 
o-73 
0.68 
0.63 
0.59 
Interval in seconds 
of Clock. 
Arc. 
Disap. 
Disap. & 
Re-ap. 
O 
s. 
s. 
I.I IO 
691 
69 1,5 
I.030 
699 
698,5 
O.945 
7°4 
7o+5 
0.870 
698 
699 
0.815 
700 
700 
0.760 
700 
700,5 
0.705 
700 
700,5 
O.655 
701 
7°i» 5 
O.610 
701 
7oi.5 
Disappearance, 
Vibra. in 24 li. cor. for Arc. 
86221,620 
86224,205 
86225,687 
86223,353 
86223,909 
86223,767 
86223,635 
86223,877 
86223,784 
Mean of Disap 
and Re-ap. 
86221,800 
86224,028 
86225,862 
86223,707 
86223,909 
86223,944 
86223,812 
86224,053 
86223,96c 
49>75 
0,25 
Mean. 
Diff. to 50°. 
Correction for Temp. o°.2$. 
Vibra. in 24 h. at Temp. 50°. 
86223,759 
— 0,106 
86223,897 
J 
— 0,106 
86223,653 
86223,791! 
Night, 21st June, 1825, Port Bowen. 
Clock gaining at a mean rate 693.88. 
««-• {Sew P*. 36". 
Bar r , 
£BegS. 29.678 mer. 45 0 . ? 
(Ends. 29,671 — 46°. j 
— 29.739 mean cor. 
to temp, of pend. 
53>5 
53.2 
53’° 
5 2 >5 
52.0 
50.0 
49>5 
5M 
52.0 
53 >° 
9 
17 
54 
17 
58 
17 
5 6 
11 5 
29 
27 
29 
3 2 
2 9 
2 9’5 
1.07 
41 
3 
4i 
10 
4i 
6 >5 
0.99 
5 2 
38 
5 2 
46 
5 2 
4 2 
0.92 
10 
4 
15 
4 
2 3 
4 
19 
0.86 
*5 
53 
16 
2 
*5 
57.5 
0.80 
27 
33 
2 7 
4i 
27 
37 
0.74 
39 
1 1 
39 
22 
39 
16,5 
0.68 
5° 
5° 
5 1 
2 
5° 
56 
0.63 
1 1 
2 
28 
2 
42 
2 
36 
0.59 
52,02 
2,02 
1.110 
1.030 
0.955 
0.890 
0.830 
0.770 
0.710 
0.655 
0.610 
693 
696 
695 
697 
698 
700 
698 
699 
698 
693.5 
697 
695.5 
697 
698.5 
699.5 
699.5 
699.5 
700 
86220,328 
8622 1,403 
86221,046 
86221,760 
86222,1 16 
86222,823 
86222,1 16 
86222,470 
86222,1 16 
86220,508 
86221,760 
86221,225 
86221,760 
86222,293 
86222,647 
86222,647 
86222,647 
86222,823 
2.014 
i-735 
I -49 I 
1.295 
1. 122 
o 969 
0.824 
0.701 
0.608 
86222,342 
86223,138 
86222,537 
86223,055 
86223,238 
86223,792 
86222,940 
86223,171 
86222,724 
86222,522' 
86223,495 
86222,716 
86223,055 
86223,415 
86223,61 t 
86223,47 
86223,34* 
86223,43 
Mean. 
Diff. to 50° 
Correction for Temp. 2°.02. 
Vibra. in 24 h. at Temp. 50°. 
86222,993 
+ 0,854 
86223,847 
86223,23c 
+ 0,854 
86224,081 
