C 318 ] 
General Table of the contadlsof the limbs of the Sun and VenuF^ as obfei ved 
at Norriton, June 3, 1769, reduced to apparent time. 
N. B. June 3, by the preceding Tables of the work, the Sun’s centef 
Was on the meridian, at i;'' 38' 49^' by the clock, and June 4, at 
11^ 59' 2'h and therefore gained 13'' in 24 hours of apparent time* 
Wherefore at noon June 3, tb.e clock being 1' i T' flow of apparent timCj- 
u was only T 10'' flow at the obfervation of the contacts. "Whence 
The apparent time of the different contacts was : 
External contafl, by Dr. Smith* 
h / // >1 
tfl vlfi! le impreffion on'j 
the Sun’s limb, in form I 
of a quivering dufky J z 12 50 to 53 
fhadow, with many I Uncertain to 3" 
points J or 4". 
A well defined blacks 
dent in the Sun’s limb, >2 13 13 
at 3 
Internal con tail 
Judged from a thread 
or crefeent of light, 
clofing round the dr.rk ^2 30 15 
body of Venus, wi h a 
tremulous motion, at 
Extern, contad, by Blr. Lukens. 
External conta£f, 
by Mr. Rittenhoufe. 
Judged of as' 
deferibed in his 
account J 
h > It 
*2 12 49 
h t // // 
A fmall dent") 
in the Sun's ? 2 13 13 
limb 3 
« 
Ihternal contadl. 
Internal contadb. 
2 30 8 to 
Judged of as' 
deferibed in fig. 
3d of his ac- 
count, Plate xv; 
.2 29 55 
When Venus was fully entered on the Sun’s 
“ limb, and we had fatisfied ourfelves by comparing 
our different notes of the contacts, which were 
“ thrown together on the table of the obfervatory, we 
“ prepared for the micrometer, and other oblerva- 
_ tions. The greatefl part of the micrometer obfer- 
** vations were taken by me, while Mr. Rittenhoufe 
“ undertook to take another fet of obfervations ; 
“ namiely, 
