experiments made with an invariable pendulum. 
57 
Observation of Coincidences at Port Bowen ( 2nd Series ) — continued. 
A. M. July io, 182c, Port Bowen. fTo c » „ DO 
Clock s-ainin? at an assumed rate Hvs r $ £e m P- 50 ' Bar" * Be S ‘ 2 9 - 7 l° mer. 48°. 
69* 88 in h yg ' l Dew P‘ 43° iiai • ( Ends. 29.712 — 48° 
7 := 29.771 mean cor. 
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 seconds 
Observed vibrations in 24 h. 
Correct, 
for Arc. 
Vibra. in 24 h. cor. for Arc. 
Disap. 
Disap. & 
Re-ap. 
Disappearance. 
Mean of Disap. 
and Re-ap. 
Disappearance 
Mean of Disap. 
and Re-ap. 
0 
49 > 7 
50,0 
49>9 
49,8 
50,0 
S °’3 
50,2 
50,0 
50.0 
50.1 
h. m. s. 
7 12 18 
2 3 55 
35 33 
47 11 
58 50 
8 10 29 
22 7 
34 47 
45 27 
57 8 
m. s. 
12 22 
24 OO 
35 39 
47 18 
58 56 
10 37 
22 16 
34 56 
45 37 
57 18 
m. s. 
12 20 
23 57’5 
35 36 
47 1 4’ 5 
58 53 
10 33 
22 11,5 
34 5*’5 
45 32 
57 13 
0 
1 15 
I.07 
I. OO 
o -93 
0.86 
0.80 
0.74 
0 70 
0.66 
0.61 
0 
1. 1 IO 
i -°35 
0.965 
0895 
0.830 
0.770 
0.720 
0.680 
0.635 
s. 
6 97 
698 
698 
699 
699 
698 
700 
700 
701 
s. 
697’5 
698,5 
698,5 
698,5 
700 
698.5 
700 
700.5 
701 
86221,760 
86222,1 16 
86222,1 16 
86222,470 
86222,470 
86222,1 16 
86222,823 
86222,823 
86223,176 
86221,938 
86222,293 
86222,293 
86222,293 
86222,823 
86222,293 
86222,823 
86223,000 
86223,176 
vib. 
2.OI4 
I.752 
I.522 
1.309 
1. 122 
O.969 
O.848 
0.756 
O.659 
86223,774 
86223,868 
86223,638 
86223,779 
86223,592 
86223,085 
86223,671 
86223,579 
86223,835 
86223,952 
86224,045 
86223,815 
86223,602 
86223,945 
86223,262 
86223,67 I 
86223,756 
86223,835 
50,0 
Mean. Vibrations in 24 h. at Temp. 50°. 
86223,647 
86223,765 
ci^k J eiimn°e at an a^sumedTate Hysr" 5 Tem P- S°°- 5 - Bar r J Beg8 - 2 9-7i2 mer. 48°.* ) = 29.773 mean cor. 
69^1 in 24 h d * Hyg * * Dew P 1 . 42° \ Ends. 29.713 — 4 8°.5.$ to temp, of pend. 
S°’S 
So ,5 
S°’S 
S°’S 
S °’3 
50,0 
50,0 
5 °’ 1 
50,2 
S °’3 
10 36 35 
48 12 
59 49 
11 11 27 
23 5 
34 44 
46 23 
58 3 
12 9 45 
21 24 
3 6 38 
48 16 
59 54 
11 33 
23 12 
34 5 i 
4 6 3 i 
58 12 
9 53 
21 33 
3 6 36,5 
48 14 
59 5«’5 
1 1 3 ° 
23 8,5 
34 47-5 
46 27 
58 7*5 
9 49 
21 28,5 
1 18 
1. 10 
1.02 
095 
0.88 
0.82 
0.77 
0.72 
0.67 
0.62 
1.140 
1.060 
0,985 
0.915 
0 850 
0.795 
0.745 
0.695 
0.645 
697 
697 
698 
698 
699 
699 
700 
702 
699 
697,5 
697.5 
698.5 
698.5 
699 
699’5 
700.5 
701.5 
699.5 
86221,760 
86221,760 
86222,1 16 
86222,1 16 
86222,470 
86222,470 
86222,823 
86223,527 
86222,470 
86221,938 
86221,938 
86222,293 
86222,293 
86222,470 
86222,647 
86223,000 
86223,352 
86222,647 
2.125 
l - 8 37 
I.586 
I.369 
I.I78 
I -°33 
O.9O7 
O.788 
0.680 
86223,885 
86223,597 
86223,702 
86223,485 
86223,648 
86223,503 
86 223,730 
86224,3 1 5 
86223,150 
86224,0 63 
86223,775 
86223,879 
86223,662 
86223,648 
86223,680 
86223,907 
86224,140 
86223,327 
50,29 
0,29 
Mean. 
t-.- „ Correction for Temp. o°.2Q. 
Diff. to 50°. r y 
Vibra. in 24 h. at Temp. 50°. 
86223,668 
+ 0,123 
86223,791 
86223,787 
+ 0,123 
86223,910 
• I 
MDCCCXXVI. 
