[ |23 ] 
“ AU the parallaxes of Venus from the Sun were 
“ taken from a large pi^ojedfioh oti a fcale of half ah 
“ inch to one fecondi, and then reduced to the fcale 
“ of this delineation. After' calculating fome of 
“ thofe parallaxes, and finding thofe given by the 
“ projection conftantly true to the fiifl decimal place, 
any further nicety Was thought needlefs. 
The 
with 
angle of Venus’s vifible vrayT q,' 
ith the ecliptic, I find J 2^ 27 
The angle of the ecliptic with a 
parallel 
P. M. 
1 
of detlihation at 3** > 7 5 I3 decrealitig 53''’ per hour. 
The latitude of the ohlervatory, as'l 
i 
above laid down 
,40 9-56 
Hence the paralla)ces were fitted to‘ each* of the 
micrometer obfervations, as above. 
I 
if a computation be made with the ill micrometer obler-' 
vation oPthe diftance of 'theTteb!^!^ \ve- fiiall find the 
time of the leaft diftance'of the centers "of the Sun aiid 
Venus, as feen from the earth’s center, to have been 
the Sun and center of Venus to the crofs-hairs of the equal alti- 
tude inftrument; but it was found that fo many lines would 
confufe the figure. And the micrometer obfervations anfwcring 
fo well, more were thought needlefs. Bafides this, no fradfions 
of feconds could be got in the other obfervations; though, ne- 
verthelefs, a good feparate projedfion may be made by them. 
■> 5 i6- 
T t 2 
If 
