274 - 
Captain Hall’s details of experiments 
Experiment No. VI. Second Series , at Rio de Janeiro. By Mr. Henry Foster, 
Transits observed at Rio de Janeiro. 
Date. 
1822. 
Oct. 22 
23 
24 
Stars. 
26 
{ 1st Limb 
2d Limb 
Centre 
P.M. m Cygni 
K — 
e Pegasi 
i — — 
t — 
ts — — 
f* 
Ditto 
0 
i lst Limb 
2d Limb 
Centre 
f 1st Limb 
0’s ■? 2d Limb 
( Centre 
1st Wire. 
h. m. s. 
5 38 55,25 
6 1 59,50 
6 9 4,50 
6 17 36,75 
6 39 11,25 
7 2 20 , 0 
10 49 57, 0 
10 52 9, 0 
10 51 3, 0 
5 34 39,50 
6 4 46,50 
6 34 53, 0 
6 58 1,50 
7 54 16,50 
10 49 29, 0 
10 51 41, 0 
10 50 35, 0 
10 48 32, 0 
10 50 45,50 
10 49 38,75 
2nd Wire. 
h. m. s. 
39 32,75 
2 34,75 
9 33,75 
18 3,50 
39 37, 0 
2 48,50 
7 38 36,50 
50 23,25 
52 34, O 
51 28,62 
35 15, O 
5 16, 0 
35 19,50 
58 30, 0 
7 34 19,50 
54 45,50 
49 55,20 
52 7,50 
51 1,35 
48 59, O 
51 11,80 
50 5,40 
3rd Wire. 
. m. 
40 
3 
10 
s. 
6, O 
8.50 
2.50 
18 30,25 
18 30,25 
40 1,25 
3 15, 0 
39 5, 0 
50 49, 0 
52 59, 0 
51 54, O 
35 49,50 
5 44,80 
14 12,50 
35 44,50 
58 57, O 
34 47,50 
7 41 31,50 
55 13, O 
50 20, 0 
52 32,50 
51 26,25 
49 24,20 
51 37, O 
50 30,60 
4th Wire. 
h. m 
40 
3 
10 
18 
18 
40 
3 
39 
46 
s. 
42.75 
43,25 
31,40 
57,50 
57.50 
28, 0 
43,25 
34.75 
16.50 
51 15, 0 
53 26, 0 
52 20,50 
36 
6 
14 
36 
59 
35 
41 
41 
55 
25,70 
14, O 
39.50 
10.50 
25, 0 
18, 0 
59.50 
59,50 
42, O 
5th Wire. 
Mean Chrono- 
meter. 
h. m. 
5 40 
3 
10 
18 
18 
40 
3 
39 
46 
s. 
6,96 
8,92 
2,52 
30,46 
57,42 
2.04 
15,58 
20,12 
16,50 
51 41, 0 
53 52,25 
52 46,62 10 51 54,46 
Clock at mean Noon = 
50 46,50 
52 58,50 
51 52,50 
49 50, 0 
52 3, 0 
50 56,50 
37 1,50 
6 43, 0 
15 6,50 
36 36,50 
59 53,50 
35 47, O 
35 
5 
14 
35 
58 
35 
41 
41 
55 
50,12 
44,85 
39.50 
44,75 
57.33 
3, 0 
59.50 
45.50 
13.33 
56 10, O 
51 13, O 
53 25, 0 
52 19, O 10 51 26,72 
Clock at mean Noon — 
50 16,50 
52 29,50 
51 23, 0 10 50 30,81 
Clock at mean Noon = 
Clock. 
h. 
m. 
s. 
5 
0 
24 0 
5 
23 
230 
5 
30 
HO 
5 
38 
46 1 
5 
39 
127 
6 
00 
123 
6 
23 
310 
6 
59 
350 
7 
6 
315 
10 
11 
563 
10 
27 
263 
4 
55 
471 
5 
25 
411 
5 
34 
351 
5 
55 
40 5 
6 
18 
521 
6 
54 
57 5 
7 
1 
54 5 
7 
1 
40 5 
7 
15 
7;> 
10 
11 
7/ 
10 
26 
44,- 
10 
9 
30. 
10 25 21, i 
