experiments made with an invariable pendulum , 
27 
Observation of Coincidences at Port Bowen (ist Series) — continued . 
Night, 15th June, 1825, Port Bowen. 
Clock gaining at a mean rate 6g s .88. Hyg r . < 
'Temp. 44 0 . „ (Begs. 29.772 mer. 42° 5.) — 29.835 mean cor. 
Dew P l . 31 0 . ’ (End®. 29.771 — 44 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- 
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 
44 
44 
44 
44 
44 
46 
48 
5 ° 
50,5 
50,8 
h. m. s. 
9 1 23 
13 6 
24 49 
36 33 
48 1 8 
10 00 1 
11 45 
23 28 
35 10 
46 51 
m. s. 
I 27 
13 II 
24 55 
36 41 
48 25 
co 1 1 
11 55 
23 39 
35 22 
47 4 
m. s. 
1 25 
J 3 8 ,5 
24 52 
36 37 
4 8 21,5 
00 6 
11 50 
23 33,5 
35 16 
4 6 57,5 
O 
I. l6 
1. 06 
O.99 
O.92 
0.85 
O.79 
o -73 
0.68 
0.64 
0.60 
0 
1. 1 IO 
I.025 
O.955 
0.885 
0.820 
0.760 
O.705 
O.660 
0.620 
s. 
703 
703 
704 
705 
703 
704 
7°3 
702 
701 
s. 
703.5 
7 ° 3>5 
705 
704.5 
704.5 
704 
703.5 
702.5 
701.5 
86223,878 
86223,878 
86224,227 
86224,576 
86223,878 
86224,227 
86223,878 
86223,527 
86223,176 
86224,053 
86224,053 
86224,576 
86224,402 
86224,402 
86224,227 
86224,053 
86223,703 
86223,352 
vib. 
2.OI4 
1.718 
1. 49 1 
1.280 
I.O99 
O.944 
0.812 
O.712 
0.628 
86225,892 
86225,596 
86225,718 
86225,856 
86224,977 
86225,171 
86224,690 
86224,239 
86223,804 
86226,067 
86225,771 
86226,067 
86225,682 
86225,501 
86225,171 
86224,865 
86224,41 5 
86223,980 
46,53 
3,47 
Mean. 
Diff. to 50°. Correction for Temp. 3°-47. 
Vibrations in 24 h. at Temp. 50°. 
86225,105 
— 1,468 
86225,280 
— 1,468 
86223,637 
86223,8 1 2 
Morning, . 16th June, 1825, Port Bowen. ^ fTemp. +9 °. r Begs. 29,78. mer. 45° 
Clock gaining at a mean rate 69 s .88. ' (Dew P‘. 30°. ‘ (Ends. 29.761 — 43 0 
} — 29.836 mean cor. 
j to temp, of pend. 
49 
48,2 
47 
47 
12 57 4 
1 8 43 
20 22 
32 2 
43 4 2 
55 22 
276 
18 46 
30 28 
43 12 
57 8 
8 48 
20 28 
32 9 
43 5 ° 
55 33 
7 15 
18 57 
3° 39 
43 22 
57 6 
8 45,5 
20 25 
32 5,5 
43 46 
55 27,5 
7 10,5 
18 51,5 
3 ° 33,5 
43 1 7 
i-J 7 
1.08 
1.00 
°-93 
0.86 
0,80 
0.75 
0 70 
0.65 
0.61 
1. 125 
I.O40 
0.965 
0.895 
O.83O 
O 775 
O.725 
O.675 
O.63O 
699 
699 
700 
700 
700 
704 
700 
702 
704 
699,5 
699.5 
700.5 
700.5 
7 OI >5 
703 
701 
702 
703.5 
86222,470 
86222,470 
86222,823 
86222,823 
86222,823 
86224,227 
86222,823 
86223,527 
86224,227 
86222,647 
86222,64 7 
86223,000 
86223,000 
86223,352 
86223,878 
86223,176 
86223,527 
86224,053 
2.069 
I.768 
I.522 
I.309 
1. 1 22 
O.982 
O.860 
O.745 
O.649 
86224,539 
86224,238 
86224,345 
86224,132 
86223,945 
86225,209 
86223,683 
86224,272 
86224,876 
86224,716 
86224,415 
86224,522 
86224,309 
86224,474 
86224,860 
86224,036 
86224,272 
86224,702 
47,8 
2,2 
Mean. 
Diff to 50° Correction for Temp. 2°.2. 
Vibra. in 24 h. at Temp. 50°. 
86224,360 
— 0,930 
86223,430 
86224,478 
— 0,930 
86223,548 
