in the length of the pendulum vibrating seconds. 365 
transit instrument placed on a massy stone foundation, erected 
for it on the ramparts. 
On the 31st of August I commenced my observations, the 
results of which are given in the following Tables, and on the 
evening of the 7th of September, the transits of the same stars 
were again observed, but unfortunately the lamp which was 
attached to the meridian mark, for adjusting the transit instru- 
ment by night, not having been properly placed, these obser- 
vations were of necessity rejected. 
Transits observed at Leith Fort, ist Series. 
Stars. 
August 31. 
September 2 . 
September 4 . 
September 5. 
September 6 . 
h. m. s. 
h. m. s. 
h. m. s. 
h. m. s. 
h. m. s. 
The Sun . 
— 
o. 9.18,05 
— 
0. 9.41,66 
0. 9.51,50 
« Capricorni 
9 49 41*04 
9.42.40,2 1 
9.35.42,16 
— 
__ 
e Aquarii 
— 
10. 1.56,92 
9.54.59,09 
■ — 
— 
a. Equulei . 
10.37.46,18 
10.30.45,31 
IO - 2 3 - 47,39 
— 
— 
(3 Aquarii . 
10.52.59,93 
10.45.59,62 
10.39. 1,37 
■ — 
— 
£ Pegasi 
11. 6.12,53 
— 
10.52.13,94 
— 
- — 
o Aquarii 
I 1.2+ 50,38 
1 1 - I 7 - 49 , 9 I 
11. 10.51, 95 
— 
— 
y Aquarii . 
II.43. 8,89 
— 
1 1.29. 10,60 
— 
— 
x. Aquarii . 
II. 59.I 1,46 
— 
11.45.13,07 
— 
— 
» Aquarii . 
— 
11.55.13,67 
— 
■ — 
— 
| Pegasi 
— 
12. 1.24,05 
11.54.26,26 
— 
— 
From these transits the following table was computed. 
