6o ASTRONOMICAL AND 
‘Sub, thediff.of merid. betw. Paris & Greenwich, — 9/16%A.Mi 
Remains the difference of meridians be- 
tween Greenwich and Cambridge, 
The diff. by the obfervations of the folar? $4. 292 
- eclipfe of Auguft c, 1766, | 
Do.by theobf.of PUT E NNUS 2441778,4. 44 282 
! 4" 44. 343 Ee 
The mean“ 4 44 3 
Tissot avoiding fractions, "T verge A 44 di t 
-Of meridians cd be called | | $ | 
: i P 
t Ina gm. to the preleti Aftronomer Royal: ‘publithed i in the dim of the 
Philofaphical Tranfactions for 1781, I made the difference of meridians between - 
e and Greenwich, by the Tolar eclipfe of Aug. 1766, to be 4^ 442 n By 
and by ‘the tranfit of Venus of June, 1769, to-be 4?* 44/ 12”, compa: fr. 
Hitchins's obfervation of the internal conta& only, with Dr. Winthorp's. The 
mean of thefe two refults, viz. 4^* 44! 1 17^, I gave as the true difference. But as- 
the fun "was low, when the obfervations of the tranfit were made at Greenwich, T 
In making my dedudtons from the folar eclipfe of 1766, in the above spbendit, 
T have taken the mean between the time of the obfervations of the Aftronomer - 
Royal, and of his affiftant ; whereas, in the former calculations, I took thofe Only — 
of the Aftronomer Royal I have alfo ufed 42? 23! 28/, for the latitude of Cam- _ 
bridge, as determined by Profeffor Williams, inftead of 42° 25/5 and with thee — 
alterations, having carefully gone over the work anew, I have found the dierenee 
-of meridians, from this ecli ipfe, .4** 44/ 29^, inftead of 4h* 44 22", 5 
The deduétions from the tranfit of 
acute aud the folar edipi of were ; 
not made, when the above letter Was writ mts 
pn i nw er es ne 5 
the refult in this paper, and th elet f ae altioris. : 
[4 
