of an Arc of the Meridian. 
457 
Observed Zenith Distances of u Herculis. 
Point on the Limb , 6° 50' South. 
Day of 
the 
month. 
Face of 
the arch, 
E. or W. 
Plumb- 
line. 
Obterva- 
tion of 
the star. 
Zenith distance 
in revolution* 
and parts. 
Zenith distance 
reduced. 
Barome- 
ter. 
Thermi 
Above. 
Dmeter. 
Below. 
rev. div. 
rev. div, 
° ' rev. div. 
O / If 
Inches. 
O 
0 
July 21 
E 
8 11,5 
6 16,6 
5 50 1 53,7 
6 51 52,89 
28,5 
55,5 
54,5 
29 
E 
9 H > 1 
7 I 7 >° 
56,1 
55,29 
28,8 
60,7 
61,5 
30 
W 
7 57,8 
9 48,8 
46,0 
47> I 7 
28,8 
62,5 
60,0 
Observed Zenith Distances of 52 Herculis. 
Point on the Limb , 7 0 5' South. 
July 28 
W 
8 58,72 
" 15,5 
7 5 2 15,78 
7 7 14,00 
28,8 
58,5 
58,5 
29 
E 
9 ”>35 
6 47,0 
2 3,35 
21,58 
28,8 
59,7 
59-5 
3 ° 
W 
10 1,29 
12 16,0 
14,71 
12,93 
28,8 
61,0 
59 ,° 
Aug. 8 
E 
8 50,70 
6 23,9 
26,80 
25,04 
28,9 
65,2 
65,5 
Observed Zenith Distances of 22 r Herculis. 
Point on the Limb, 6 ° 40' South. 
July 29 
E 
3 5 fi , 3 ° 
3 57,9 
6 40 0 1,60 
6 39 59,40 
28,8 
60,7 
3 ° 
W 
8 8,81 
7 58,6 
9,21 
5°,77 
28,8 
62,5 
Aug. 1 
W 
8 5,20 
7 53 ,i 
1 1,10 
48,88 
29,2 
67,0 
7 
W 
10 1,73 
9 5°,5 
10,23 
49-75 
28,9 
71,0 
12 
W 
10 16,30 
10 4,0 
12,50 
47,48 
29,2 
65,2 
*3 
E 
8 12,30 
8 16,8 
4,50 
55,49 
2 9-3 
67,3 
Observed Zenith Distances of a Persei. 
Point on the Limb , 4 0 20' South. 
Aug. 8 
W 
9 
7,66 
7 
45,7 
4 20 1 20,96 
4 18 39 , 9 i 
28,9 
66,5 
63,0 
10 
W 
8 
38,84 
7 
18,0 
20,84 
40,03 
28,9 
70,2 
71,0 
13 
E 
10 
27,76 
1 1 
45,6 
17,84 
43,03 
2 9,3 
57 »o 
54.0 
18 
E 
8 
26,58 
9 
43,5 
16,92 
43,95 
29,0 
6c, 2 
60,2 
*9 
W 
8 
11,42 
6 
47,5 
22,92 
37,94 
28,8 
60,5 
60,3 
