experiments made with an invariable pendulum. 
33 
Observation of Coincidences at Port Bowen (ist Series ) — continued . 
Night, 1 8th June, 1 825, Port Bowen. „ ( Temp. 52°. ^ i Beg*. 29.900 mer. 460.5. \ = 29.964 mean cor. 
Clock gaining at a mean rate 69 s . 88. (DewP.40 0 . (End®. 29.898 — 45 0 . j 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- 
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 Di sap 
and Re-ap. 
Disappearanc 
e MeanofDisap. 
and Re-ap. 
0 
s^s 
51,0 
jo, 8 
S l >3 
h. m. s. 
8 59 43 
9 11 20 
22 55 
34 3 2 
46 9 
57 47 
10 9 25 
21 3 
32 42 
44 22 
ID. S. 
59 47 
11 24 
23 00 
34 39 
46 16 
57 55 
9 34 
21 13 
3 2 53 
44 3 1 
m. s. 
59 45 
1 1 22 
22 57.5 
34 35.5 
46 12,5 
57 51 
9 29 
21 8 
32 47.5 
44 26,5 
O 
I.I9 
I.IO 
1.02 
O.95 
O.89 
O.83 
O.78 
O.72 
0.66 
0.62 
0 
1 * 1 45 
1.060 
0.985 
0.920 
0.860 
0.805 
0.750 
0.690 
0.640 
s. 
697 
695 
697 
697 
698 
698 
698 
699 
700 
s. 
697 
695.5 
698 
697 
698.5 
698 
699 
699.5 
699 
86221,760 
86221,046 
86221,760 
86221,760 
86222,1 16 
86222,1 16 
86222,1 16 
86222,470 
86222,823 
86221,760 
86221,225 
86222,1 16 
86221,760 
86222,293 
86222,1 16 
86222,470 
86222,64 7 
86222,470 
vib. 
2.143 
1-837 
I.586 
I.384 
I.209 
1-059 
0.920 
0.776 
0.670 
86223,903 
86222,883 
86223,346 
86223,144 
86223,325 
86223,175 
86223,036 
86223,246 
86223,493 
86223,903 
86223,062 
86223,702 
86223,144 
86223,502 
86223,175 
86223,390 
86223,423 
86223,140 
SM 5 
M 5 
Mean. 
DifF. to 50°. Correction for Temp. i°.i5. 
Vibra. in 24 h. at Temp. 50°. 
86223,283 
+ 0,487 
86223,382 
+ 0,487 
8622 3 > 77 ° 
86223,869 
Mor 
Clo< 
ning, 1 9tf 
:k gaining 
i June, 1 825, Port Bowen. (Temp 5 »°- Bar r f Beg*. 29.895 mer. 45.® >= 29.95 
at a mean rate 6g\88. 6 (DewP*. 40°. ‘ { Ends. 29.878 — 44°.2.J to temp 
5 mean cor. 
. of pend. 
5 ho 
50.8 
5°.4 
5 °.o 
51.0 
52.0 
52,2 
5 i .5 
51.4 
SM 
1 13 59 
25 34 
37 10 
48 48 
2 00 26 
12 3 
2 3 4 ° 
35 17 
46 55 
5 8 34 
*4 3 
25 40 
37 17 
4 8 55 
00 33 
12 12 
2 3 49 
35 2 7 
47 6 
5 8 45 
14 1 
2 5 37 
37 i 3.5 
4 8 5!.5 
00 29,5 
12 7.5 
2 3 44.5 
35 22 
47 00.5 
5 8 39.5 
1. 18 
1.09 
1.02 
0.95 
0.88 
0.82 
0.77 
0.72 
0.67 
0.62 
1-135 
1.055 
0.985 
0915 
0.850 
0.795 
0.745 
0 695 
0.645 
695 
696 
698 
698 
697 
697 
697 
698 
699 
696 
696.5 
698 
698 
698 
6 97 
697.5 
698.5 
699 
86221,046 
86221,403 
86222,1 16 
86222,1 16 
86221,760 
86221,760 
86221,760 
86222,1 16 
86222,470 
86221,403 
86221,582 
86222,1 16 
86222,1 16 
86222,1 16 
86221,760 
86221,938 
86222,293 
86222,470 
2.106 
1.820 
1.586 
1.369 
1.173 
i-o33 
0.907 
0.788 
0.680 
86223,152 
86223,223 
86223,702 
86 223,485 
86222,938 
86222,793 
86222,667 
86222,904 
86223,150 
86223,509 
86223,402 
86223,702 
86223 485 
86223,294 
86222,793 
86222,845 
86223,081 
86223,150 
5 : >H 
1. 14 
Mean. 
DifF. to 50°. Correction for Temp. 1. 
Vibra. in 24 h. at Temp 
°! 4 . 
86223,113 
-f 0,482 
86223,25 1 
•+■ 0,482 
. 50 °. 
86223,595 
86223,733 
mdcccxxvi. * f 
