experiments made with an invariable pendulum. 
53 
Observation of Coincidences at Port Bowen ( 2nd Series ) — continued. 
A. M. July 8, 1825, Port Bowen. rrn o r - „ . o0 , „ 
Clock gaining at In assumed rate Hyg'. 5 2 >mp 50°. Bar f Begt. 29.749 mer. 48°. } = 29.8 10 mean cor. 
6 9 \88 in 24 h. 1 Dew P • +° ■ l Endg - 2 9-74 7 — 4 8 °-z- i 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. 
Observed vibra. cor. for Arc. 
Disap. 
Disap. & 
Re-ap. 
Disappearance. 
Mean of Disap. 
and Re-ap. 
Disappearance. 
Mean of Disap. 
and Re-ap. 
0 
49.8 
49>9 
S °^5 
50.8 
5°.5 
5 o ,3 
50,0 
49-9 
49 . 8 
50,0 
h. in. s. 
4 12 42 
24 18 
35 54 
47 3 ° 
59 6 
5 10 44 
22 22 
34 » 
45 4 ° 
57 20 
m. s. 
12 47 
24 23 
36 00 
47 37 
59 H 
10 53 
22 31 
34 13 
45 5 1 
57 3 1 
m. s. 
12 44,5 
24 20,5 
35 57 
47 33.5 
59 »° 
10 48,5 
22 26,5 
34 7 
45 45.5 
57 25.5 
I.l6 
I.08 
I. OI 
O.94 
0.87 
O.81 
O.75 
O.71 
0.66 
0.61 
0 
1. 120 
1.045 
O.975 
0.905 
0.840 
0780 
O.730 
O.685 
O.635 
696 
696 
696 
6 9 6 
698 
698 
699 
699 
700 
696 
696,5 
696,5 
696.5 
698.5 
698 
700.5 
698.5 
700 
86221,403 
86221,403 
86221,403 
86221,403 
86222,1 16 
86222,1 16 
86222,470 
86222,470 
86222,823 
86220,403 
86221,582 
86221,582 
86221,582 
86222,293 
86222,1 16 
86223,000 
86222,293 
86222,823 
vib. 
2.051 
I.786 
t -554 
1 *3 39 
1-154 
0.995 
0.871 
0.766 
0.659 
86223,454 
86223,189 
86222,957 
86222,742 
86223,270 
86223,1 1 1 
86223,341 
86223,236 
86223,482 
86223,454 
86223,368 
86223,136 
86222,921 
86223,447 
86223,1 II 
86223,871 
86223,059 
86223,482 
50,15 
0,15 
Mean. 
Correction for Temp. o°.i5. 
Diff. to 50°. , r ., . , 
} Vibra. in 24 h. at Temp. 50°. 
86223,198 
4- 0,063 
86223,316 
+ 0,063 
86223,261 
86223,379 
A. M. July 8, 1825, Port Bowen. r „ 0 , „ , .. , 
Clock gaining at an assumed rate Hyg r . X ^. ern ?: t ^°o* Bar. 5 Ee §'’ 2 9-75° mer * 4 8 -2. ? 
69S.88 in 24 h. VS X Dew P ** 4 ° • i End^.29.75 1 - 48° j 
= 29.810 mean cor. to 
temp, of pend. 
49.9 
49>5 
49.2 
49 >! 
49.2 
49.2 
49,2 
49.4 
49.4 
49-5 
6 49 8 
7 00 44 
12 20 
23 59 
35 37 
47 16 
58 54 
8 10 35 
22 la] 
33 55 
49 
00 49 
12 27 
24 4 
35 45 
47 23 
59 3 
xo 44 
22 24 
34 5 
49 9.5 
00 46,5 
12 23,5 
22 1,5 
35 41 
47 19.5 
54 58.5 
10 39.5 
22 i 9 
34 00 
1. 16 
1.08 
1. 01 
0.94 
0.87 
0.81 
0.75 
0.71 
0.66 
0.61 
1. 1 20 
I.O45 
0.975 
O.905 
O.84O 
O.780 
O.73O 
O.685 
O.635 
696 
696 
699 
698 
699 
698 
701 
699 
701 
69 7 
697 
698 
699.5 
698.5 
699 
701 
699.5 
701 
86221,403 
86221,403 
86222,470 
86222,1 16 
86222,470 
86222,116 
86223,1 76 
86222,470 
86223,176 
86221,760 
86221,760 
86222,1 16 
86222,647 
86222,293 
86222,470 
86223,1 76 
86222,647 
86223,176 
2.051 
1.786 
1-554 
i -339 
i-i 54 
0.995 
0.871 
0.766 
0.659 
86223.454 
86223,189 
86224,024 
86223.455 
86223,624 
86223,1 1 1 
86224,047 
86223,236 
86223,835 
86223,81 1 
86223,546 
86223,670 
86223,986 
86223,447 
86223,465 
86224,047 
86223,413 
86223,835 
49.36 
0,64 
Mean. 
Correction for Temp. o°.64. 
Diff. tO CO 0 . .... . . , rr, 0 
J Vibra. in 24 h. at Temp. 50. 
86223,553' 
— 0,271 
86223,282 
86 223,691 
— 0,271 
86223,420 
1 
