for determining the difference of meridians , &c. 
87 
Colonel Bonnets observations of signals seen from Lignieres. 
Observations du 21 Juillet, le u“ e jour. 
Apparition des Signaux, 
en terns de la montre. 
Remarques. 
a l’Orient. 
, A 
a l’Occident. 
fa. min. sec. 
h. min. sec. 
I 
9 34 5°,8 
2 
9 39 24,6 
3 
9 49 32,6 
4 
- 
10 04 53,0 
5 
10 09 38,8 
6 
7 
- 
10 34 49,6 
8 
- 
10 44 59,4 
9 
10 
10 59 33,4 
11 04 51,6 
Observations du 22 Juillet, le i2 me jour. 
Apparition des Signaux, 
en terns de la montre. 
Remarques. 
1 
k POrient. 
I l’Occident. 
1 
h. min. sec. 
9 29 16,4 
fa. min. sec. 
9 34 55>4 
2 
3 
9 49 21,8 
9 54 53,4 
4 
9 59 l 7 >° 
10 04 53, 
5 
10 09 21,4 
10 15 08,4 
6 
10 19 41,8 
10 24 48,2 
7 
10 29 28,2 
10 34 58,6 
8 
- 
10 44 57,4 
9 
io 49 23, 
10 54 47,4 
10 
10 59 25,8 
11 04 48,8 
IV. Observations of the signals at the Fairlight Station, by Mr. Herschel. 
By Baker’s Chronometer, No. 744. Going M. T. beating half seconds. 
First Day’s Observations, July 11, 1825. 
La Canche 
Wroth am 
h. m. 
S. 
Remarks. 
- 
- 
Seen, but the time not seized cor- 
La Canche 
Wrotham 
9 4i 
7-6 
[rectly. 
The train began at 9 h 4i m 2 s . 
La Canche 
Wrotham 
9 5 1 
3'5 
Train began at g k 2o m 59**5. 
La Canche 
9 56 23-2 
Seen by the gunners with naked eye. 
Wrotham 
10 r 
4-8 
Very good. 
La Canche 
10 5 
59 ' 2 
Faint and indistinct. Seen by the 
Wrotham 
10 1 1 
3 -o 
Precise. [gunners. 
La Canche 
Wrotham 
IO 21 
4*4 
Train began at 59 s .o. 
La Canche 
Wrotham 
10 31 
47 
Train began at 5 8**5. 
La Canche 
10 36 
15-8 
Very faint. Not seen by the men. 
Wrotham 
9 41 
6-3 
La Canche 
IO 46 
I2’4 
Seen by the men. 
W rotham 
IO 51 
3'3 
La Canche 
Wrotham 
1 1 I 
8*2 
Second Day’s Observations, July 12, 1825. 
No. 
h. m. 
S. 
Remarks. 
La Canche 
9 26 
24*5 
Wrotham 
9 3 6 
7*3 
Not the true explosion according 
[to M. Laugeteau. 
La Canche 
9 3 6 237 
Very bright and sharp. 
Wrotham 
9 4 1 
7‘5 
La Canche 
Lost by looking the wrong way. 
3 
Wrotham 
La Canche 
9 5 6 
17-8 
Distinct. 
4 
Wrotham 
10 1 
8-8 
Sharp and bright. 
La Canche 
10 6 
317 
Extremely faint. Doubtful. 
5 
Wrotham 
10 1 1 
9*2 
Bright. 
a ; 
La Canche 
10 16 
23-6 
Distinct. 
Wrotham 
10 21 
10-0 
Bright. 
La Canche 
10 26 
22-5 
Seen by Mr. Gilbert with naked 
7 
Wrotham 
10 31 
8’o 
Bright. [eye. 
0 
La Canche 
10 36 
21'9 
Wrotham 
10 41 
8-1 
Train began at 1 6 . 
La Canche 
10 46 
16-5 
? 1 5®.5. The decimal correct. 
9 
Wrotham 
10 51 
5*4 
Train began at o\$. 
La Canche 
10 56 
16-4 
Very bright. Train seen 4 or 5 s . 
W rotham 
1 1 1 
6-6 
Train began at o s -5. 
