An Account of the Measurement 
446 
Observed Zenith Distances of y Draconis. 
Point on the Limb , o° 50' North. 
Day of 
the 
month. 
Face of 
the arch, 
W orE. 
Plumb- 
line. 
Observa- 
tion of 
the star. 
Zenith distance 
in revolutions 
and parts. 
Zenith distance 
reduced. 
Barome- 
ter. 
Thermt 
Above. 
ameter. 
Below. 
rev. div. 
rev, 
, div. 
0 ' rev. div. 
O l It 
Inches. 
0 i 
O 
May IO 
E 
10 
1 S ’ 5 Z 
13 
48,1 
0 5 ° 3 32,75 
o 53 3 °> 10 
29,0 
— 
45 ,° 
1 1 
W 
9 
38,66 
5 
56,4 
41,26 
38,62 
28,85 
43-9 
43,5 
13 
E 
8 
47 » 3 °- 
12 
81,4 
34,10 
31,45 
28,85 
36,5 
38,0 
14 
W 
7 
32,38 
3 
49,2 
42,18 
39,54 
28,92 
34,5 
34 > S 
16 
E 
9 
40,00 
J 3 
15,2 
34,20 
3 1 ,5 5 
28,82 
35-5 
3 >,5 
June 1 1 
W 
7 
20,70 
3 
29,5 
50,20 
47,58 
28,34 
53,5 
52,5 
13 
E 
9 
36,35 
x 3 
20,3 
42,95 
40,31 
28,79 
52 5 
>2,3 
H 
W 
8 
25,26 
4 
33,4 
50,86 
48,24 
28,26 
5 >3 
J 3 0 
1 6 
E 
9 
48/33 
H 
37,4 
45,07 
43,44 
28,75 
59-5 
60,0 
*7 
W 
8 
32,66 
4 
39’4 
52,26 
49,64 
28,82 
56,0 
58,0 
18 
E 
1 1 
3 z >77 
i5 
17,9 
44 ’ x 3 
41,50 
28,8 
52,0 
51,0 
20 
W 
8 
9,48 
4 
17,0 
5 1 ,48 
48,86 
29.97 
58,6 
57,0 
21 
E 
11 
52,52 
*5 
40,0 
47,08 
44,45 
28,83 
56,0 
55,5 
Observed Zenith Distance of 45 d Draconis. 
Point on the Limb , 6 ° if North. 
June 13 
E 
9 27,76 
10 
53,i 
6 15 1 25,34 
6 16 24,48 
28,8 
49-5 
51,0 
x 4 
W 
9 23,81 
7 
48,5 
34,3 1 
33 , 3 o 
28,86 
54,0 
53 >° 
16 
E 
10 18,90 
1 1 
46,5 
27,60 
26 74 
28,77 
59,o 
59,5 
18 
W 
11 11,65 
9 
32,9 
37,75 
36,91 
28,8 
58,5 
52,7 
20 
E 
8 18,20 
9 
46,7 
28,50 
27,64 
28,97 
56,0 
55,5 
21 
W 
11 31,03 
9 
52,7 
37,33 
3 6 ,49 
28,99 
56,0 
55,5 
Observed Zenith Distance of 46 c Draconis. 
Point on the Limb , 4 0 40' North. 
June 13 
E 
9 
34,85 
12 
46,0 
4 4 ° 3 n , x 5 
4 43 8,46 
28,8 
49,5 
51,0 
14 
W 
8 
16,17 
4 
53 ,o 
20,17 
17,50 
28,86 
5 i ,7 
50,5 
16 
E 
x 3 
15,62 
16 
27,0 
11,38 
8,69 
28,77 
59,0 
59,5 
18 
W 
1 1 
10,40 
7 
4*, 3 
18,10 
15,42 
28,8 
52,7 
50,5 
20 
£ 
8 
32,10 
1 1 
47 ,o 
14,9° 
12,22 
28,97 
58,4 
57 ,o 
21 
w 
1 1 
5, *3 
7 
43 , 1 
21,03 
18,36 
28,99 
56,0 
55,5 
