34 
Lieutenant Foster’s account of 
Observation of Coincidences at Port Bowen (ist Series ) — continued. 
Forenoon, June 19th, 1825, Port Bowen. 
Clock gaining at a mean rate 69 s .88. 
R r i Temp. 5 2°.s. R r (Begs. 29.823 mer. 47® ) = 29.877 mean co 
‘ l Dew P*. 42°. * ( Ends. 29.800 — 48°. ) to temp, of pen 
Temp. 
5 2 *5 
52,0 
51,8 
51,2 
Time of 
Disappear- 
ance. 
h. m. 
9 16 50 
28 25 
40 OO 
5 1 37 
3 H 
14 51 
26 28 
38 4 
49 48 
1 26 
10 
1 1 
Time of 
Re- appear- 
ance. 
m. s. 
16 54 
28 30 
40 6 
Si 43 
3 21 
H 59 
26 37 
38 1 7 
49 57 
1 37 
Mean of Dis- 
appearance 
and Re-ap- 
pearance. 
m. s. 
16 52 
28 27,5 
4 ° 3 
40 
17*5 
H 55 
26 32,5 
38 10,5 
49 52,5 
1 3 D 5 
5 i 
3 
Arc of 
vibra- 
tion. 
1. 18 
1. 10 
1.02 
0.95 
O.89 
O.83 
O.77 
O.72 
0.66 
0.61 
Mean 
Arc. 
Interval in se- 
conds of Clock. 
Disap. 
Disap. 
& Re-ap. 
O 
1. 140 
695 
695,5 
I.060 
695 
695,5 
0.985 
697 
697 
0.920 
6 97 
697*5 
0.860 
697 
697*5 
0.800 
6 97 
697*5 
O.745 
696 
698 
0.690 
704 
702 
0.635 
698 
699 
Observed vibra. in 24 h. by 
Disappear. 
Mean of Disap, 
and Re-ap. 
86221,046 
86221,046 
86221,760 
86221,760 
86221,760 
86221,760 
86221,403 
86224,227 
86222,1 16 
86221,225 
86221,225 
86221,760 
86221,938 
86221,938 
86221,938 
86222,1 16 
86223,527 
86222,470 
Correct, 
for Arc. 
2,125 
1*837 
1,586 
D384 
1,209 
1,046 
0,907 
0,776 
0,659 
Vibra. in 24 h. cor. for Arc 
Disappear. 
86223,171 
86222,883 
86223,346 
86223,144 
86222,96 9 
86222,806 
86222.3 IO 
86225.003 
86222,775 
Mean ofDis;, 
and Re-ap 
86223,3c 
86223, od 
86223,34 
86223,32 
86223, iJ 1 
86222,9? 
86223,0; 
86224,3c! ! 
86223,1;! 
51*87 
1,87 
Mean. 
Diff. to 50°. 
Correction for Temp. 10.87. 
Vibra. in 24 h. at Temp. 50°. 
86223,156 
+ 0,790 
86223,2.' 
+ 0,70 
_i~ 
86223,946 
86224,05 
Afternoon, 19th June, 1825, Port Bowen, yj r JTemp. 52°5. g r r ( Beg g . 29.784 mer. 48°. ) rz 29.842 mean ci. 
Clock gaining at a mean rate 60..88. 72 ' l Dew P ‘- 4 2 °. • ^ \ End*. 29.770 — 48.2°. J to temp, of peri. 
52,5 
52,2 
51,8 
52,0 
24 3i 
36 6 
47 43 
59 21 
10 58 
22 36 
34 H 
24 35 
36 12 
47 5 ° 
59 27 
” 5 
22 43 
34 23 
3 
45 5 2 j 46 3 
57 32 , 57 41 
9 12 9 21 
24 33 
3 6 9 
47 46,5 
59 24 
i *5 
39*5 
34 i8 ,5 
57*5 
36.5 
16.5 
1 1 
22 
45 
57 
9 
1. 10 
1. 01 
o -93 
0.85 
0.80 
0.75 
0.70 
0.65 
0.61 
0.57 
1.055 
0.970 
0.890 
0.825 
0.775 
0.725 
0.675 
0.630 
0.590 
695 
6 97 
698 
697 
698 
698 
698 
700 
700 
696 
697,5 
697,5 
697*5 
698 
699 
699 
699 
700 
86221,046 
86221,760 
86222,1 16 
86221,760 
86222,1 16 
86222,1 16 
86222,1 16 
86222,823 
86222,823 
52,12 
2,12 
86221,403 
86221,938 
86221,938 
86221,938 
86222,1 16 
86222,470 
86222,470 
86222,470 
86222,823 
1.820 
i -538 
1.295 
1. 1 10 
0.982 
0.859 
0.745 
0.649 
0.569 
86222,866 
86223,298 
86223,41 1 
86222,870 
86223,098 
86222,975 
86222,861 
86223,472 
86223,392 
86223,2 i 
86223,4) 
86223,2; 
86223,0 
86223.0 
86223, 3J 
86223.2 
86223.1 
86223.3 
Mean. 
Diff. to 50°. 
Correction for Temp. 2°.i2. 
Vibra. in 24 h. at Temp. 50 0 . 
86223,138 
+ 0,897 
86223,27 
4 0,87 
86224,035 86224,14 
