MATHEMATICAL PAPERS. x 
This rule ‘is to be inverted, to find thé” time ‘of conjunétion 
from the obfervation z the end of the v— dt Giccultékion.. 
The ti time of the true eligit (ücduniiisn, according to. the 
obfervations, being found in this manner, for each place, the 
difference of times will be the difference of meridians. 
Let the preceding rules be now exemplified, 
The beginning of a folar eclipfe was obferved at the Royal 
Obfervatory at Greenwich, Py Dr. pr at the Aftronomer 
Royal, Auguft 5, 1766, at 5°29‘ 56“ P.M. apparent time, 
and by his affiftant at sh 29 58" P.M.. the mean beir ox 
29" i7". "The end was obferved by the Doétor at 7* 1 1 "y 
d. his ir a ide a x: MS D adis E. 
The fame elip was: obferved By the late Dr. Wish 
Hollis Profefor of the Mathematics and Natural Philofophy, 
at Cambridge, who-made the beginning at 115. 39" ge M. 
E a: 45 2 Pi M: ride y 
= by thefe ane ‘obfervations ?- 
The folar and — AM for oa! the rallax 
oia oo o F or Greenwich at yg 2g" Se i 
The fun’s Mr SES iie zum im 9 ei” 
