t 372 ] 
From the mean of the two firft zenith diftances at 
OL Aquilae the clock will be found to be flower than mean 
time 14". By the fecond pair of a Aquilae, 1 3". By the 
next three zenith diftances of ol Tauri, 1 3". By the next 
three of ^ Geminorum, 1 6", By the laft four of u T auri, 
// 
17^^; the error of the line of collimation being 13,6 as 
// 
before. The mean of all thefe gives the clock 14,6 
ilower than mean time. Hence, 
Solar time. 
H. IM. S. 
Emerfion of y Tauri, vi 41 48,4 
Immerfion a Tauri. Touched limb, xv 13 59,6 
Vanilhed, xv 14 3,6 
Emerfion a Tauri, inftantaneous, xvt 27 10,8 
The emerfion of oc Tauri was obferved at Greenwich 
h 
/ H 
at xvi 34 36,8 folar time. 
N. B. The immerfion of ^ Tauri (behind the Moon) 
which was obferved at Leicefter, April 28, 1770, at 
h 
y // 
IX 45 44 folar time, was alfo obferved at Greenwich at 
h 
/ // 
IX 51 28,6 folar time. See Phil. Tranf. for 1770. 
XXXVI. Some 
