36 
Lieutenant Foster's account of 
Observation of Coincidences at Port Bowen (ist Series ) — continued. 
Forenoon, 20th June, 1825, Port Bowen. r Temp s°°’5‘ 
Clock gaining at a mean rate 69 s .88. ' ( Dew P*. 41 0 . 
Bar r I BegS * 2 9-74 6 mer - 4^°* \ = 2 9 0>8i 3 mean cor. 
T7 “ J " ~ 47°. j 
' | Ends. 29.750 
to temp, of pend. 
Temp, 
Time of 
Disappear- 
ance. 
Time of 
Re-appear- 
ance. 
Mean of Dis- 
appearance 
and Re-ap- 
pearance, 
0 
h, m. s. 
m, s. 
ra. s. 
51 
9 27 45 
27 4 8 
27 46,5 
39 20 
39 25 
39 22,5 
50 58 
5 i 3 
51 0,5 
50,8 
10 2 36 
2 42 
2 39 
14 14 
14 21 
x 4 i 7>5 
25 53 
26 1 
26 57 
50.3 
37 33 
37 4 i 
37 37 
49 H 
49 21 
49 i 7,5 
11 00 52 
1 2 
00 57 
51,2 
12 33 
12 41 
12 37 
Interval in se- 
conds of Clock. 
Disap. 
Disap. 
Sc Re-ap, 
s. 
s. 
69 5 
696 
698 
698 
698 
698,5 
698 
698,5 
699 
699,5 
700 
700 
701 
700,5 
698 
699,5 
701 
700 
Observed vibi 
a, in 24 h, by 
Disappearance. Mean of Disap. 
j and Re-ap, 
86221,046 
86221,403 
86222,1 16 
86222,1 16 
86222,1 l6 
86222,203 
86222,1 16 
86222,293 
86222,470 
86222,647 
86222,823 
86222,823 
86223,1 76 
86223,000 
86222,1 16 
86222,647 
86223,176 
86222,823 
Arc of 
vibra- 
tion. 
o 
1*17 
I.08 
1. 00 
°-93 
0,86 
0.81 
0.76 
0.70 
0.65 
0.6 x 
Mean 
Arc. 
I.I25 
I.040 
0.965 
0.895 
0.835 
0.785 
O.730 
0.675 
0.630 
Correct, 
for Arc. 
vib, 
2.069 
I.768 
I.522 
I.309 
1.138 
I.007 
0.871 
O.745 
0.649 
Vibra. in 24 1 ), cor. for Arc 
Disappearance, 
86223,1 15 
86223,884 
86223,638 
86223,425 
86223,608 
86223,830 
86224,047 
86222,861 
86223,825 
Mean of Disaj 
and Re-ap. 
86223,472 
86223,884 
86223,815 
86223,602 
86223,785; 
86223,83c 
86223,871 
86223,392 
86223,472 
50,82 
0,82 
Mean. 
Diff. to 50°. 
Correction for Temp. o°.82. 
Vibra. in 24 h. at Temp. 50°. 
86223,581 
+ 0,347 
86223,68c 
+ 0,34 
86223,928 
86224,02 
Afternoon, 20th June, 1825, Port Bowen. H r f Temp. 51 0 . _ r f Begs. 29.760 mer. 47 0 . 1 = 29.819 mean corl 
Clock gaining at a mean rate 69 s .88. (DewPS 36°. (Ends. 29.752 47 °- 3 to temp, of pend. 
50,8 
50,2 
50,1 
50,1 
1 32 54 
43 3 1 
55 8 
2 6 46 
18 24 
30 
4 1 42 
53 22 
3 k 4 
16 44 
32 57 
43 35 
55 i 3 
6 51 
18 32 
30 1 1 
41 51 
53 3 i 
5 13 
16 52 
32 
43 
55 
6 
18 
3 ° 
4 1 
53 
5 
55.5 
33 
10.5 
4 8 >5 
28 
7 
4 6 >5 
26.5 
8 »5 
16 48 
1.15 
1.06 
0.98 
0.92 
0.87 
0.81 
0.75 
0.70 
0.66 
0.61 
1. 105 
1 .020 
0.950 
0.895 
0.840 
0.780 
0.725 
0.680 
0.635 
697 
697 
698 
698 
699 
699 
700 
702 
700 
697,5 
697.5 
698 
699.5 
699 
699,5 
700 
702 
699,5 
86221,760 
86221,760 
86222,1 16 
86222,1 16 
86222,470 
86222,470 
86222,823 
86223,527 
86222,823 
86221,938 
86221,938 
86222,1 16 
86222,647 
86222,470 
86222,647 
86222,823 
86223,527 
86222,647 
1.996 
1. 701 
1.476 
1.309 
1.154 
0.995 
0.859 
0.756 
0.659 
86223,756 
86223,461 
86223,592 
86223,425 
86223,624 
86223,465 
86223,682 
86224,283 
86223,482 
86223,93 
-86223,63 
86223,59 
86223,95 
86223,62 
86223,64 
86223,68 
86224,28 
86223, 3°^ 
5°>3 
°>3 
Mean. 
Diff. to 50° 
Correction for Temp. o°.3. . 
Vibra. in 24 h. at Temp. 50°. 
86223,641 
+ 0,127 
86223,74c 
+ 0,12; 
86223,768 
86223,86; 
