in the length of the pendulum vibrating seconds. 
Transits observed at Arbury Hill. 
Stars. 
October 21. 
October 25. 
October 26. 
h. m. s. 
h. m. s. 
h. m. s. 
The Sun 
11.44.28,39 
— 
n. 43 . | 7,93 
a Aquilae 
5 - 3 *- 39»53 
5.15.30,75 
5.1 1.29,10 
a Aquilae 
5.43. 19^7 
5.27,10,42 
5.23. 8,78 
9 Aquilae 
6. 3.16,55 
5 - 47 - 7 > 7 % 
5.43. 6,05 
Rate of the clock at A r b u r y Hil l . (Losing.) 
Stars. 
From 
21 to 25 . 
From 
21 to 26 . 
From 
25 to 26 . 
The Sun . 
t Aquilae . 
a. Aquilae . 
9 Aquilae . 
s. 
6,30 
6,30 
6,30 
s. 
6,23 
6,20 
6,19 
6,21 
s. 
5,76 
5 ,75 
5,84 
Mean by the 7 
Stars . . 3 
6,30 
6,20 
5>78 
Mean by the 7 
Sun . . 5 
— 
6,23 
— 
Vibrations of the Pendulum at AreueyHiu. 
The clock making 86393,80 vibrations in a mean solar day. 
Date. 
Barometer. 
Thermom. 
Vibrations 
in 24 hours. 
Correction 
for 
Temp. 
Vibrations in 
24 hours, at 
62 degrees. 
Oct. 
A. M. 
O 
2 1 
P. M. 
29,65 
56,7 
86059,25 
2,24 
86057,01 
22 
A. M. 
29,52 
54,2 
86060,66 
3,30 
86057,36 
P. M. 
29,50 
54,4 
86060,52 
3,22 
86057,30 
2 3 
A.M. 
29,50 
52,8 
86061,07 
3^9 
86057,18 
P.M. 
29,52 
53,2 
86060,88 
3,72 
86057,16 
24 
A.M. 
2 9,57 
50,8 
86061,40 
4,74 
86056,66 
P. M. 
29,55 
50,6 
86061,28 
4,82 
86056,46 
2 5 
A. M. 
29,56 
5°,9 
86061,40 
4,70 
86056,70 
P. M. 
2 9 , 5 + 
52,3 
86061,00 
4 >i° 
86056,90 
26 
A. M. 
2 9,55 
52,2 
86060,63 
4,15 
86056,48 
P. M. 
29,55 
53 ,7 
86060,12 
3 , 5 i 
86056,61 
1 
Mean 
29,55 
52,9 
86056,88 
