Art Account of the Courfe of the Tides in the-Port of Duh- 
lin in Ireland , communicated in a Letter to the Pub:, 
lifher^ from William Molineux E/^, K. S. S. with 
a remark^thereupon. 
AT the Barr of Dublin, on the New and Full Moons, a 
i'outh-ibuth-Eaft Moon makes high Water, that is, 
at l)alf an hour after Ten. 
At Rmgs-End 2it Three Quarters after Ten. 
, At; the Cuftooie-HouB at Duhitn at Eleaven.. 
Gn the Quarter Days, 
High Water on the Uarr at five of the Cloek. 
M Rings-End 2X 2. Quarter paft Five. 
At the Cuftom Houie half an hour paft Five; - 
A Southerly Wind between S. S. E. and S. S, W. blowing* 
frefc makes it flow near half an hour longer than it^ufiial- 
Courfe. 
N. B, that this pbfervation makes the Tides, upon the 
Qijarter Moons^ come in later, in refpeft of the^ Moons 
Southing, than upon new and full Moons, by half an hour ; 
^vhereas in the River of Thames, as high zs Lcndon^ the 
Quarter Moons make high Water above an-hour an Quar- 
ter fooncr, in that relpeft , than the New and Full j as may be 
feen by the accurate Tide Tables of Mr. Fkrhfteed : but it is 
from hence Evident that the fame Tables are not.applicable 
to the S^a-f orts ; where there is not the fame reafon for the. 
Anticipation oftheNepe Tides upon the garter Moons. 
Theeaufe of this P/4?;^(?^/^;^i?/^feems tobe, that the Impullc' 
of the Ocean in the garter Moons is not ib Vigorous as in: 
the New and Full; nor the Motion of the Waters fc quick f 
(as is evident by dayly experience) whence it comes to paft 
that in the open Sea, and in Ports upon the Sea-Coaft, as 
this of Dublin^ the high Water time falls out later, than when 
the motion is more rapid in the New and Full; but on the 
con 
