in the length of the pendulum vibrating seconds. 41 1 
Shanklin Farm, May 15th, 1819. Barometer 30,02 inches, thermometer 43°,5. 
Chronometer too fast 4“. 41*. Pole star on the northern meridian by the chro- 
nometer 9 h .29 m .38 s . 
Chronometer. 
Level. 
Time from 
the 
meridian. 
N. v. Sines, 
Readings, &c. 
h. m. s. 
m. s. 
O / // 
9. 6. 3 
+ 2 4 
— 28 
23-35 
5215 
1st. Vernier - - 296.17.43 
9.10. 3 
+ 24 
— 28 
1 9-35 
3648 
Second - - 30 
SM 3 - 5 ° 
4- 22 
- 3 ° 
> 5-48 
2375 
Third - 40 
9.16.52 
9.20.33 
4- 26 
4 - 2 7 
— 27 
- 23 
12.46 
9 - 5 
* 55 1 
0785 
Fourth - "35 
9.24.35 
4- 24 
— 27 
5 - 3 
0243 
Mean - - 296.17.37 
9.27.54 
+ 25 
— 25 
1.44 
0029 
4- 360. 0. 0 
9.30.25 
4 - 23 
— 27 
0.47 
0006 
Level - — 44,40 
9 - 33 - 18 
9 - 3 6l 7 
4- 24 
+ 23 
— 26 
— 27 
3 4 ° 
6 -39 
0128 
0421 
Index - - + 13,0 
9 - 39 - 5 
9.42. 16 
4- 25 
+ 24 
- 25 
— 26 
9.27 
12.38 
0850 
1519 
16)656.17. 5,60 
9.44.32 
+ 23 
— 27 
14.54 
2113 
Observed Z. D. - 41. 1. 4, 10 
947.30 
4 - 25 
— 25 
17.52 
3°37 
Refract. - 4- 51 ,54 
9 - 50-33 
4- 21 
— 28 
20-55 
4162 
Correct. - — |- 11,50 
9.54. 0 
4- 26 
_ 24 
24.22 
5 6 47 
2 r'C. - 4- 0,06 
+ 386 
—423 
00 
ON 
True Z. D, - 41. 2. 7,20 
App. P. D. — 1.39.31,51 
(4.386—423) 
2 
Const. Log. 
Log. 1983 (4-4) 
X 2,4= — 44,4 cor. for the level 
3.7634825 
- 7 - z 973 22 7 
39.22.35,69 
Co. Lat. 
Latitude of Shanklin Farm 50.37.24,31 
Correct. + 1 F',50 Log. 
1.0608052. 
The mean of the three preceding results is 50°.37'.23",77, 
and the greatest difference i",i 6. If to this mean o",i7 be 
added we have 50°.^'. 23", 94 for the latitude of the pen- 
dulum. 
I had now to connect my station with that of Dunnose ; a 
work attended with some difficulty, as Shanklin farm could 
not be seen from it, and the nature of the ground was very 
