48 
Lieutenant Foster’s account of 
a satisfactory proof, that no material error in the rate of the 
clock is to be feared, from the limited number of transits of 
stars, to which I was confined during the experiments. 
The following are the observations of the Second Series. 
Experiment II. — Second Series at Port Bowen , July 1825. 
Comparisons of Chronometer No. I. with the Clock. 
Date, 
Chronometer. 
Clock, 
Difference. 
Noon 
6th. 
h. 
2 
m. 
l6 
s, 
2 3-5 
h. 
9 
m. 
l 7 
S. 
OO 
h. 
4 
m 
59 
s, 
23-5 
— 
— 
2 
26 
23 
9 
27 
00 
4 
59 
23 
P. M. 
— 
9 
21 
33-5 
4 
22 
30 
4 
59 
3-5 
... 
— 
9 
32 
3 
4 
33 
00 
4 
59 
3 
— 
— 
1 
37 
5 i-5 
8 
39 
00 
4 
58 
5M 
-• 
— 
1 
48 
5i 
8 
5° 
00 
4 
58 
5 1 
P. M. 
7th. 
9 
! 9 
56 
4 
22 
OQ 
4 
57 
5 6 
— 
9 
30 
55-5 
4 
33 
OO 
4 
57 
55-5 
— 
1 
35 
44 
8 
38 
OO 
4 
57 
44 
— 
— 
1 
46 
43-5 
8 
49 
OO 
4 
57 
43-5 
Noon 
8th. 
2 
16 
8 
9 
19 
OO 
4 
57 
8 
— 
— 
2 
27 
7- 5 
9 
3° 
OO 
4 
57 
7-5 
P. M. 
— 
9 
1 1 
48,5 
4 
15 
OQ 
4 
5 6 
48-5 
— 
— 
9 
2.2 
48 
4 
26 
OO 
4 
56 
48 
— 
1 
29 
36,5 
8 
33 
OO 
4 
5 6 
36-5 
1 
5 1 
35-5 
8 
55 
OO 
4 
56 
35-5 
Noon 
9th. 
2 
17 
00,5 
9 
21 
OO 
4 
5 6 
°-5 
— 
— 
2 
28 
00 
9 
32 
OO 
4 
5 6 
00 
P. M. 
— 
9 
4 
4U5 
4 
9 
OO 
4 
55 
4*»5 
— 
— 
9 
15 
4i 
4 
20 
OO 
4 
55 
4i 
— 
— 
1 
32 
29 
8 
37 
OO 
4 
55 
29 
— 
— 
1 
42 
28,5 
8 
47 
OO 
4 
55 
28,5 
Noon 
10th. 
2 
H 
53 
9 
20 
OO 
4 
54 
53 
-- 
— 
2 
24 
52,5 
9 
3° 
OO 
4 
54 
52,5 
P. M. 
— 
8 
58 
34 
4 
4 
OO 
4 
54 
34 
— 
9 
*9 
33 
4 
25 
OO 
4 
54 
33 
— 
— 
1 
2 5 
21,5 
8 
3i 
OO 
4 
54 
21,5 
— 
1 
35 
21 
8 
41 
OO 
4 
54 
21 
