[ 3 >9 J 
namely, the appulfes of the limbs of the Sun, and 
“ the center of Venus, to the crofs hairs of the equal 
“ altitude telefcope j Mr. Lukens taking and writing 
“.down the time for him. 
The whole ohfervations, reduced to apparent time, are as. 
follows : 
Micrometer mcafures of 
Angular va- 
Parallax of 
Venus from the Sun, ad- 
< ^ 
the Jeaft diftance of the 
ue of the 
jufted to the times of the micrometer 
7 ^ O 
o* 
App. time. 
neareft limbs of the Sun 
nicrometer 
obfervatkns. 
for proieflin 
' the tranfit 1 
a o 
June 3, 1769. 
and Venus. 
mcafures. 
by Mr. Rittenhouie. 
CO o" 
• 1 
. 
In the path of 
Perpendicular 
go 0 
In the vertical 
Venus. 
to the path. 
h f n 
S- 5 - 0 
or ZL 
U3 M 
/ // 
// 
tt 
// 
I 
3 7 19 
0 4 0,5 
I 45 ’4 
14.54 
13.67 
4,94 
R. 2 
3 11 39 
0 412 
I 57>6 
14.74 
13,88 
4.96 
L. 3 
3 17 42 
0 5 2 
2 ,13.5 
15,09 
14.24 
5,01 
4 
3 32 3 
0 6 14 
2 52,7 
15.77 
14,92 
S.13 
R. 5 
3 40 4 
074 
3 8,6 
16,17 
15.32 
5.23 
6 
4 35 5 
0 10 21,^ 
4 46,67 
J 8,45 
17.45 
6.5 
7 
4 57 9 
0 II 19,5 
5 11,05 
19,02 
17.95 
6,32 
8 
5 7 49 
0 11 22,75 
5 i 4>5 ' 
19.5 
18,36 
6,63 
9 
5 21 40 
0 II 23,5 
5 iS »3 i 
19,88 
18,64 
6,98 
lO 
5 31 46 
0 II 21,5 
5 I 3>7 ' 
20, 1 2 
18,8 
7.23 
1 1 
5 42 38 
0 11 17,5 
5 8,93 
20,36 
18,95 
7.48 
12 
5 51 10 
0 11 \ 3 ,S 
5 4.7 1 
20,52 
19,06 
7.67 
»3 
622 4 
0 ro 5,_5 
4 29,7 
21,0 
19.21 
8,57 
14 
6 31 5 
0 9 20 
4 18,58 
21,12 
19.22 
8,82 
6 41 24 
090 
3 57.38 
21,22 
19.15 
9.14 
r 
L. i6 
6 48 1 2 
0 8 13 
3 44.66 
21,26 
19,12 
9,31 
17 
6 S 3 30 
0 8 1,5 
3 32,47 
21,28 
19,04 
9.49 
R. 1 8 
6 56 22 
0 7 23 
3 28,76 
21,29 
19,02 
9.56 
Diftance of the limbs of the Sun and Venus, taken in 
Parallax of Venus from the Sun. adiufted 
choids. 
parallel to the plane of the equator. 
1 
as above. 
R. 1 
3 58 53 
O’s e. limb 0 17 14,3 
7 44,57 
17.0 
16,1 
5,40. 
2 
4 27 18 
Ditto I 36- 
'o 14,74 
1 18,16 
47,18 
5,86 
3 
6 4 27 
Ditto 2 0 20 
18 0,08 
i 20,75 
19,16 
8,06 
4 
6 9 28 
O’sw.limbo 1$ 6 ,s 
6 43.27 
; 20,81 
19,2 
, 8,z 
