in the length of the pendulum vibrating seconds. 
401 
Clifton, 12th October, 1818. Barometer 29,56 inches, thermometer 47 0 , chrono- 
meter too slow 93,0. Pole star on the meridian by the chronometer 1 i h .33 m . 1 1,6. 
Chronometer. 
Level. 
Time from 
the 
meridian. 
N. v. Sines. 
Readings, &c. 
h. m. s. 
I i.iz.40 
11.16.55 
II. 21. 10 
1 1 .24.25 
11.27.45 
II. 31. 0 
11. 34.15 
11. 37.25 
1 141.12 
11.43.15 
Il.47.47 
Il.50.38 
11.54. 5 
11.56 16 
+ 22 
4- 26 
+ 24 
+ 25 
+ 25 
+ 25 
-f 28 
+ 25 
+ 24 
+ 25 
+ 25 
+ 25 
+ 25 
4- 26 
— 26 
— 22 
— 24 
— 24 
— 23 
— 25 
— 21 
— 24 
— 24 
— 24 
— 22 
— 25 
— 23 
— 24 
m. s. 
20.32 
16.17 
12. 2 
8.47 
5-2 7 
2.12 
*• 3 
4- *3 
8. 0 
10. 3 
* 3-35 
17.26 
20.53 
23. 4 
4011 
2523 
*378 
0734 
0283 
0046 
0010 
0169 
0609 
0961 
1756 
2892 
4149 
5061 
0/0 
1st. Vernier - - 128.12. 0 
Second - - 11.30 
Third - - **-35 
Fourth - • 11,25 
Mean - - - 128.11.37,5 
+ 360. 0. 0 
Level - - 4- 22,8 
Index - - 4- 18,0 
14) 488.12.18,3 
Observed Z. D. - 34.52.18,45 
Refract. - + 40,38 
Correct. - - — *0,97 
2 PC. - — 0,06 
(Z— Z') - 4- 0,30 
+ 35 ° 
— 33 * 
*755 
( + 35 °— 33 ’) x '/ , 4= + ^, 8 cor. for the level. .. T l ueZ ; D ‘ ' 34-5248,10 
2 Mean P. D. for 1818 4- 1.39.44,15 
Const. Log. - - 3 - 79593°4 Precession, &c. - — 15,92 
Log. 1755 ( + 4) - - 7 - 244 z 77 * 
Co. Lat. - 36.32.16,33 
Correct. — Log. - 1.0402075 
Lat. of Clifton 53.27.43,67 
The preceding results in one view are as follow : 
53.27.40,94 
53.2746,20 
53.2742,72 
53.2742,72 
53 - 2 7 - 43^7 
Mean 53 2743,25 
3G 
MDCCCXIX. 
