C 577 3 ’ 
Here follows a Computation, made from Dr. 
Halley’s Tables, by Mr. John Catlin , of Guyis ■ 
Hofpiral; and fent to Mr. Short the Day before the 
Eclipfe. 
Dec. i. in the Morning 175-0. h r n 
Beginning of the Moon’s Eclipfe . 1 6 44 31 
Immerfion at . . • l 7l 4 2 Ar^f 
Emerfion at . . . 29 - 26 37 
End at . . 20"’ 18 51 
* 
From hence it appears, that the Eclipfe began 
about 8 Minutes fooner than the Computation from 
Dr. Halley's Tables gave it ; but the Computation 
which Mr. Brent made and publifhcd fome time? 
before the Eclipfe happen’d, was within a Minute 
of the Time obferved ; and this -Exa&nefs he im- 
putes to his leaving out three of the feven Equa- 
tions of the Moon, publifhed by Sir IJ'aac Hewton 
in his Theory of the Moon. ? . 
*» 1 
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