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XXXVIII. An Account of the Eclipfe of the 
Sun, April i, 1764: In a Letter to the 
Right Honourable George Earl of Mac- 
clesfield, Pref. R. S. ft ' 077 i Mr, James 
Fergufon, F. R . S. 
My Lord, 
Read Nov. 17, tt Beg leave to prefent to the Royal So- 
ciety a projection of the eclipfe of the 
Sun, which will be on the 1 ft of April 1764. The 
diagram fhews the time ar.d phaies of that eclipfe, 
for the Royal Obfervatory at Greenwich, and the cal- 
culation is from Meyer’s Tables. 
According to Flamdeed’s Tables, and Dr. Hal- 
ley’s, and M. De la Caille’s, the eclipfe fhould be an- 
nular at London ; and De la Cable, in a map in his 
Ephemerides, makes it a! mod Central. But, ac- 
cording to Meyer’s Tables, the appearance will be 
very different ; for the fouthern limb of the Moon 
will be about the 20th part of a digit over the fou- 
thern limb of the Sun ; and Meyer makes the begin- 
ning, greated obfcuration, and ending, to be at lead 
a quarter of an hour fooner than Flamdeed, Halley, 
and M. De la Caille do. 
As the padage of the dradow will be north-ead- 
ward over Europe, and all thefe authors make it’s 
center to pafs more or lefs eadward of London and 
Greenwich; and fince there is fuch a great differ- 
ence in Meyer’s time from that of all the others, and in 
the 
