454 . 
An Account of the Measurement 
Observed Zenith Distance of 46 c Draconis. 
Point on the Limb , i° 55' North. 
Day of 
the 
month. 
Face of 
the a.rch, 
E.orW 
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. 
0 * ff 
Inches. 
0 
_ 
July 20 
W 
O 
O 
N 
8 55,8 
1 50 3 10,20 
1 53 7-51 
28,9 
55-5 
55-5 
22 
W 
7 28,12 
9 21,4 
1 55 1 52,28 
8-53 
28,7 
54 -o 
53 -i 
28 
E 
9 29,68 
7 3'-3 
57-38 
3-43 
28 ; 8 
57-2 
55-5 
3 1 
E 
9 29,77 
7 3^7 
57-07 
7-74 
29,0 
55-3 
55-5 
Aug. 3 
E 
8 55,40 
7 0,6 
54-80 
6,01 
29.1 
04=0 
63-5 
5 
E 
7 1 i -47 
5 15-8 
54-67 
5 -H 
29,0 
73-5 
71.5 
7 
W 
6 37,64 
10 26,6 
47-96 
12,86 
28,9 
65,2 
64,2 
12 
E 
” 3 >i 5 
9 9 -o 
5 3 - 1 5 
7,66 
29,2 
55-5 
59 -i 
>3 
W 
8 6,41 
9 52-5 
46,09 
H -73 
2 9’3 
60,0 
59 -° 
17 
E 
8 25-75 
6 32-3 
52-45 
8,36 
29,0 
71-2 
69.S 
18 
w 
8 20,25 
10 6,3 
45-05 
15-78 
28,8 
7 , »° 
68,o 
Observed Zenith Distance of 51 Draconis. 
Point on the Limb, o° 20' South. 
July 28 
E 
9 31-75 
7 507 
0 20 1 40,05 
0 29 39,21 
28,8 
55-o 
55-o 
3 i 
E 
9 29,90 
7 48-5 
40,04 
39-56 
29,0 
55-o 
55-5 
Aug. 5 
E 
7 n-71 
5 32-6 
38,1 1 
37-27 
29,0 
71-0 
69,2 
7 
W 
8 48,70 
10 19,5 
29,80 
28,95 
28,9 
63,5 
63,5 
9 
w 
9 6,30 
10 35-3 
29,00 
28,15 
28,9 
66,5 
65-S 
12 
E 
1 1 7,00 
9 30-5 
35-50 
34-66 
29,2 
55-5 
59-° 
13 
W 
8 1,71 
9 29-5 
27,79 
26,93 
29-3 
60,2 
59-1 
17 
E 
8 27,62 
6 52,0 
34-62 
33-77 
29,0 
70,1 
70,2 
18 
W 
8 20,96 
9 47-4 
26,44 
25,58 
28,8 
67,0 
67,0 
Observed Zenith Distance of p Draconis. 
Point on the Limb, i° if North. 
July 20 
W 
11 51,87 
*0 9-3 
1 15 1 42,57 
1 16 41,73- 
28,9 
58,0 
56,0 
28 
W 
9 n.90 
7 26,9 
44,00 
43-*7 
28,8 
58,2 
58,5 
29 
E 
9 11,32 
10 51,0 
39-63 
33-84 
28,8 
56,5 
57-5 
3 ° 
W 
9 55-53 
8 ,o,o 
45-53 
44 - 7 ° 
28,8 
59 -o 
57-5 
Aug. 12 
E 
11 17,11 
12 57-3 
40,19 
39-25 
29,15 
69,2 
65,2 
13 
W 
8 21,48 
6 3 1 -5 
48,98 
48,16 
29 - 3 2 
62,0 
63-5 
