experiments made with an invariable pendulum. 
5 1 
Observatioji of Coincidences at Port Bowen (2nd Series ) — continued. 
A. M. July 7, 1825, Port Bowen. 
Clock gaining at an assumed rate 
69 s .88 in 24 h. 
Temp. 53 0 . 
Dew P*. 44 0 . 
Bar r ^ 29-684 mer. 49 0 . } — 29749 mean cor. 
' jEnd®. 29.690 — 51 0 . ) to temp, of pend. 
Temp. 
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- 
Observed vibrations in 24 h. 
Correct, 
for Arc. 
Vibra. in 24 h. cor. for Arc. 
Disap. 
Disap. 6c 
Re-ap. 
Disappearance. 
Mean of Disap. 
and Re-ap. 
Disappearance., 
Mean of Disap. 
and Re-ap. 
52.8 
52*2 
52.9 
53.9 
53 -5 
53.2 
53 >° 
52,0 
52.2 
52,6 
li. m. s. 
4 7 26 
18 59 
3 ° 33 
42 7 
53 42 
5 5 i 6 
16 52 
28 29 
4 ° 3 
51 40 
m. s. 
7 29 
19 4 
30 39 
42 13 
53 49 
5 24 
17 1 
28 36 
40 15 
51 52 
m. s. 
7 27,5 
*9 C 5 
30 36 
43 
53 45.5 
5 20 
17 5 6 .5 
28 32,5 
40 9 
51 46 
0 
1. 16 
I.08 
1. 00 
0.93 
0.8 7 
0.82 
0.77 
0 72 
0.67 
0.62 
0 
1. 1 20 
I.O4O 
O.965 
O.9OO 
O.845 
O.795 
O.745 
O.695 
O.645 
s. 
693 
694 
694 
695 
694 
696 
697 
694 
697 
s. 
694 
694,5 
694 
695*5 
694.5 
696.5 
696 
696,5 
697 
86220,328 
86220,687 
86220,687 
86221,046 
86220,687 
86221,403 
86221 ,760 
86220,687 
86221,760 
86220,687 
86220,867 
86220,687 
86221,225 
86220,867 
86221,582 
86221,403 
86221,582 
86221,760 
vib. 
2.051 
1.768 
1-523 
I.324 
I.166 
I.033 
O.907 
0.788 
O.680 
86222,379 
86222,455 
86222,210 
86222,370 
86221,853 
86222,436 
86222,667 
86221,475 
86222,440 
86222,738 
86222,635 
86222,210 
86222,549 
86222,033 
86222,615 
86222,310 
86222,370 
86222,440 
52.83 
2.83 
Mean. 
n Correction for Temp. 2°.83. 
Difh to 50°. r J 
Vibrations in 24 h. at Temp. 50°. 
86222,254 
+ 1*197 
86223,451 
86222,433 
+ 1*197 
86223,630 
A. M. July 7, 1825, Port Bowen. fTemp. 54 0 . R . i Begs. 29.682 mer. 5 1°. ) = 29.742 mean cor. 
Clock gaming at an assumed rate yg • 1 Dew P 1 . 43 0 . * ) Ends. 29.681 — ci 0 .2. t to temp, of pend. 
69 s . 8 8 in 24 h. 1 * 3 > ft- 
53.8 
53.5 
53-5 
54 .° 
J4.0 
54.0 
54 .0 
54.0 
53.6 
53 .1 
6 32 28 
44 00 
55 32 
776 
18 39 
3 ° 13 
41 48 
53 22 
8 4 58 
16 33 
32 3 1 
45 5 
55 37 
7 12 
18 47 
30 22 
41 57 
53 3 » 
5 7 
16 43 
32 29,5 
44 2,5 
55 34.5 
7 9 
18 43 
3 ° * 7.5 
4 « 52.5 
53 26,5 
5 2,5 
16 38 
1. 18 
1. 10 
1.02 
0.95 
0.88 
0.82 
0.77 
0.72 
0.67 
0.63 
I.I40 
I.060 
O.985 
O.9I5 
O.85O 
0 795 
0.745 
0.695 
0.650 
692 
692 
694 
693 
694 
695 
694 
696 
695 
693 
692 
694*5 
694 
694*5 
695 
694 
696 
695,5 
862 19,967 
86219,967 
86220,687 
86220,328 
86220,687 
86221,046 
86220,687 
86221,403 
86221,046 
86220,328 
86219,967 
86220,867 
86220,687 
86220,867 
8622 1,046 
86220,687 
86221,403 
8622 1,225 
2.125 
1-837 
I.586 
1.369 
I.178 
i -°33 
0.907 
0.788 
0.691 
86222,092 
86221,804 
86222,273 
8622 1,697 
86221,865 
86222,079 
86221,594 
86222,191 
86221,737 
86222,453 
86221,804 
86222,453 
86222,056 
86 222,045 
86222,079 
86221,594 
86222,191 
86221,916 
53.75 
3.75 
Mean. 
_ Correction for Temp. 3°75. 
Diff. to 50. 
Vibra. in 24 h. at Temp. 50°. 
86221,926 
+ 1,586 
86223,5 12 
86222,066 
+ 1,586 
86223,652 
