[ 3 r 9 ] 
At 6h ?8' 7", T obfervcd the diftance of the fun’s 
upper limb from the zenith = 72 0 21' 30''. And, 
at p h 31' f 1 ', I obferved the fame = 36° 1 y' o'. 
By the common ppbcefs (which you may have, if 
neceffary) I found the watch was o° 4' 4" 2 S'" too 
faft * ; therefore, 
h * U tit 
From — — ■ — 6 10 37 
Take o 4 4 28 
True appark time of Merc s . exit here, 6 6 32 32 
Pray impart your obfervation to 
Your Well-wifher, 
William Shervington. 
ifland, and who is poflefled of a valuable colle&ion of aftronomical 
inftruments, made by Mr. Bird in the Strand, London, and that 
Mr. Shervington only was prefent. 
* Mr. Shervington has taken the mean of thefe two altitudes 
from the error of his watch ; and there can be no doubt that his 
obfervation is a good one, which, compared with that made in 
Surry-ftreet by Mr. Short, p. 199, /. 1. &c. fixes the longitude of' 
the place of his obfervation in Antigua 4^ 30", or 6i° 22 1 30", 
weft of St. Paul’s, London. 
\ 
XLIX. 
