37° Capt. Kater’s experiments for determining the variation 
Rate of the clock at Leith Fort. 2d. Scries. G . lining .) 
Stars. 
From 
September 
8 to 10 . 
From 
8 to 12 . 
From 
8 to 14. 
From 
10 to 12. 
From 
10 to 14. 
From 
12 to 14. 
S. 
S. 
s. 
S 
s. 
S. 
x Equulei 
33>49 
33.94 
34, 10 
34,39 
34,40 
34> 4 1 
/3 Aquarii 
3 3»5 3 
33.94 
34>36 
— 
— 
s Pegasi 
33-53 
— 
34 , 1 ° 
— 
34,39 
— 
0 Aquarii 
— 
33.99 
34>°9 
— 
— 
34,29 
Pegasi 
33-3 7 
33.87 
34.06 
34-37 
34,41 
34,45 
k Aquarii 
33-49 
33.93 
34.* 1 
34- 3 6 
34 , 4 1 
34,47 
f Pegasi 
33-5 1 
33»9° 
34»°9 
34> z 9 
34,39 
34,48 
| Pegasi 
33-5° 
33>9° 
34.11 
34,3 1 
34-42 
34-53 
x Pegasi 
33*47 
33.94 
34.13 
34,4 Z 
34,46 
34-5° 
Mean 
33.49 
33.93 
34,10 
34,36 
34> 4 1 
34-45 
Vibrations of the Pendulum at Leith Fort. 2d Series. 
The clock making 86434,10 vibrations in a mean solar day. 
Date. 
Barometer. 
Thermom. 
Vibrations 
in 24 hours. 
Correction 
for 
Temp. 
Vibrations 
in 24 hours at 
62 degrees. 
Sept. 9 
A.M. 
29,90 
54°,2 
86077,10 
3 - 3 ° 
86073,80 
P. M. 
29,95 
55»6 
86076,63 
2,71 
86073,92 
10 
A. M. 
29,94 
52,4 
86077,45 
4,06 
86073,39 
P. M. 
29,91 
54,2 
86076,98 
3 > 3 ° 
86073,68 
12 
A. M. 
2Q,Q2 
5 *’$ 
86077,16 
4-44 
86072,72 
P. M. 
29,95 
53,3 
86076,71 
3,68 
86073,03 
12 
A.M. 
30,14 
53 ,i 
86076,64 
3-77 
86072,87 
P. M. 
3 °, 1 4 
54,2 
86076,22 
3 - 3 ° 
86072,92 
>3 
A. M. 
30,28 
54,0 
86076,05 
3,38 
86072,67 
P. M. 
30,24 
55-9 
86075,40 
2,58 
8607^,82 
H 
A. M. 
29,89 
56,4 
86075,35 
2,37 
86072,98 
P. M. 
29,85 
57 ,i 
86074,86 
2,07 
86072,79 
Mean 
— 
30,01 
54,3 
86073,13 
We may perceive from the above Table, that the rate of 
the clock had encreased about a second in six days ; the error 
however affecting the final number of vibrations of the pen- 
dulum, in consequence of this, is too small to need correction. 
