of an Arc of the Meridian, 
461 
Observed Zenith Distances of 1 k Cygni. 
Point on the Limb , o° 45' North. 
Day of 
the 
month. 
Face of 
the arch 
E or W 
Plumb- 
line. 
Observa- 
tion of 
the star. 
Zenith distance 
in revolutions 
and parts. 
Zenith distance 
reduced. 
Barome- 
ter. 
Therm 
Above. 
ometer. 
Below. 
rev, div. 
rev. div. 
0 ' rev. div. 
oil / 
Inches. 
0 
0 
Sept. 7 
E 
8 12,72 
10 25,2 
0 45 2 12,48 
0 47 10,69 
28,2 
51,0 
54 >° 
8 
W 
6 54,92 
4 36,0 
18,92 
*7,15 
28,2 
5 I >5 
54-5 
15 
W 
8 52,42 
6 3 i .5 
20,92 
I 9 ,I 5 
28,9 
62,5 
65.3 
16 
w 
10 31,57 
8 9,0 
22,57 
20,80 
28,9 
61,0 
65,0 
18 
E 
8 21,80 
10 38,0 
16,20 
H’ 4 2 
28,8 
64,3 
67,5 
*9 
W 
9 37>°3 
7 
22,53 
20,77 
28,8 
66,5 
72,0 
20 
E 
8 24,05 
15 43.6 
40 7 19,55 
13,27 
28,8 
65,0 
67,0 
22 
E 
8 50,82 
11 9,0 
45 2 i 7 > 18 
15,40 
28,8 
66,3 
66,5 
2 3 
W 
8 56,10 
6 33 5 
22,60 
20,83 
28,8 
67,5 
65 , 3 
24 
E 
8 32,52 
10 48,5 
15,98 
14,20 
28,9 
59-3 
6 3-5 
25 
W 
9 44’ 5 7 
7 2 3>5 
21,07 
19,30 
29,0 
66,5 
67,0 
26 
E 
9 20,58 
11 36,0 
15,42 
13,64 
29,0 
64,5 
66,5 
28 
E 
9 3 , ’ 9 ° 
11 47,7 
15,80 
14,02 
29,0 
60,5 
5 o ,S 
29 
W 
9 58,00 
7 35 ,° 
23,00 
21 ,23 
29,0 
64,5 
68,0 
3 ° 
W 
9 48,10 
7 24,9 
23,20 
21.43 
29,0 
62,0 
6 5*5 
Oct. 1 
E 
9 9 » 4 2 
11 26,0 
16,58 
14,80 
28,9 
64,0 
66,5 
2 
E 
9 21,82 
11 38,0 
16,18 
H, 4 ° 1 
28,0 
65,0 
68,0 
Observed Zenith Distances of 51 Draconis. 
Point on the Limb, o° 50' North. 
Sept. 7 
E 
8 13,88 
5 43.5 
ON 
N 
N 
0 
0 52 32,37 
28,2 
5 i ,5 
54,5 
8 
W 
6 41,63 
4 i .5 
O 50 2 49 ; 13 
38.39 
28,2 
51,0 
54,0 
10 
E 
9 16,00 
11 53 .7 
37.70 
35,96 
28,2 
51,° 
54 ,o 
16 
W 
10 39 00 
7 55.5 
42.50 
■ 40,77 
29,0 
61,7 
65,5 
18 
E 
8 42,0c 
11 19,7 
36,70 
34-96 
28,8 
64,0 
67,2 
J 9 
w 
9 5^73 
7 13. 6 
43.13 
41,42 
28,8 
■ 66,5 
72,0 
20 
E 
8 26,1c 
11 13,0 
35.90 
34,15 
28,8 
66,5 
69,5 
22 
E 
8 54,28 
11 31,2 
35.92 
34 - 17 
28,8 
68,5 
63,0 
23 
W 
9 4-53 
6 21,9 
41.63 
39'89 
28,8 
67,5 
65,5 
2 ! 
w 
9 3453 
6 5 i .5 
42,03 
40,30 
29,0 
67,0 
67,0 
26 
E 
9 24.17 
12 1,4 
36,23 
34,49 
29,0 
59,5 
64,5 
28 
E 
9 3 o.i 7 
12 7,3 
36,13 
34,39 
29,0 
66,0 
64,0 
29 
W 
9 17.85 
6 53.9 
40,95 
39,21 
29,0 
65,5 
69,5 
30 
W 
9 35.83 
6 51,0 
43,83 
42,10 
29,0 
64,0 
70,3 
Oct. 1 
E 
9 1155 
1 1 49,0 
37.45 
35 , 7 i 
29,0 
68,0 
68,0 
2 
E 
9 24,62 
1 1 2,4 
36,78 
35,04 
28,8 
68,0 
70,5 
MDCCCIII. 3 O 
