[ 176 ] 
Mean Time. 
h 
/ 
// 
7 
8 
48 
3 
35>2 
7 
1 1 
37 
T 
44,5 
7 
13 
28 
3 
46,4 
7 
14 
57 
3 
503I 
7 
15 
42 
3 
53>6 
But as the time of the internal contafl began to 
draw nigh, I directed a refradtor of 74. feet, with a 
double objedt-glafs, to the Sun, made by Mr. Dol- 
lond, and magnifying 90 times ; and foon after 
mean time, perceived that the Planet appeared 
to be wholly entered upon the Sun, though the 
limbs of the Sun and Venus were not adlually fepa- 
rated ; that part of the Sun’s edge, where the ingrefs 
happened, being very fenfibly obfcured by a penum- 
bra, and the limbs appearing to be united, by a kind 
of ligament of a conliderable breadth. This liga- 
ment became narrower and narrower, and was at 
length reduced to a point, and actually broken at 
7^ 21 ' time, or 24' apparent 
time. At 7^ 24' 23^' apparent time, the thread of 
light between the edges of the Sun and Venus, which 
was before compleated, now appeared to me of a 
very fenfble breadth, and to equal Pla- 
net’s diameter. If I have eftimated this breadth 
properly, the true internal contad: muft have hap- 
pened confiderably more than a minute fooner. The 
Swedifla aflronomers have defcribed this appearance 
very nearly as I faw it j but according to the ac- 
3 count 
