The enquirer. [volume] (Richmond, Va.) 1804-1815, 1810-12-25

,it Is the part O. wisdom TO turf, them to OF, r
profit. Some one ms said, that when his
enemies repruached him, he considered
with himself, first, whether he deserved
tneir reproachcs---i he did not. he cnnsi-
dered them as having been intended for
some one else----bat if he found that he
did deserve them, he took care by an
immediate reformation to deserve them no
longer. and Jhus he made his enemie, an
spite OF the anseives. tributary to his advan
Iage Thus let rs act towards this Reviewer
of Mr.. Ashc.
That our manners and our NOR ,lity are
equal to those of Great Britain. ought not %
De enough---we need to have advanced a
very little way in either ~ be able to make
that boast with truth. Our enqury should
De, have We no iauiis which care and ex
ertion migh' prune away Are there no
yraces and dclicacies of action which a lit
Tie culture mgnt introduces! Arc the SOUR
ces OF literature beyond our reach: Oris
tnot IN our power to wipe away entirely
the reproaCh which the British critic has in
this respect thrown upon us! ..
10 assist those enquiries AND aid these
exertions. are the objects wi h which this
paper is begun shall furnish 1t from time
to time, "a, occasions invite, and shall
suspend and resume IT, as my health and oc
cuPatlons may permit. =
TO THE EDITOR OF THE ENQUIRER.
SIR,
III the Enquii er of the Goth ult. commu.
nicatcd to the public. the ideas which Sc
veral OF our most eminent Mathema,icians
entertaincd respecting The principle upon
winch had founded my theory of the tides
VIZ. a change OF velocity in the same point
OF the earth during a dmrnal rotation. l
there observed that had received no in.
formation sufficiently satisfactory to convince
me thai the same principle had been noticed
by others but within these few days have
been completely satisfied upon this pon,
and nave received from the mathematical
writers ut The 10Th century that informant
on which have in vain searched Tor in our
modern authors
The Phenomena of the tides discover
were explained by Calico upon the very
same principle l have assumed, and the
same theory was also embraced by Gassen
d. 10. Baptlsta Balianus, and afterwards
warmly advocated and improved bv Doctor
wallis the friend and coiempnrary of Sir
Isaac Newton The particulars may he
found IN the lst volume of the Abr,deemeut
| OF the Philosophical Transactions of the ROY
al society OF London Page SO. i'll letter ON
the lux and refiuX oil the sea, addressed to
MIR Boyle by Doctor Wallis. / shall ex
tract few passages from this letter to shew
more plainly the sentiments which these
Philosophers entertained on his subject and
IN what respect they differed from the OPP
mons hich have dehvered.-
doctor Waius illustrates the theory of
Gai'ieo by a Diagram but it may be easily
understood without the aid of Diagram /:
| 70 tho
me SUI 70 be denoted by circle Bee of
which n Is The centre wnile the earth
itset is denoted by circle DETC HAVING
b The centre.
lhe words OF Doctor Wallis are as follow
:" we shall hist take for granted what 4,
pretty commonly entertained b, thuse who
treat OF such matters, that body in mott
on Is apt 10 continue its motion and thar in
he same degree of celerily unless nindered
by some contrary impeachment, like as a BIO
ay at rest Is apt TO Crn niue 50, unless nv
something acting on Ii put into motion and
accordingly, If en- a board or table some
loose incumbent weight be for some tim.
moved, and have thereby contracted an i'm
petus to motion AT such rate f .ha. board
or table chanceby some external obstacle
or otherwise TO be stopped or Considerably
retarded IN It's motion, the incumbent loose
body VIII shoot forward upon it and con
trary wise. in case that board or table chance
to be accelerated u put forward with con.
slderably greater speed than before, the
loose incumbent body, not having YET OBJ
tanned an equal impetus with it, will be left
behind or seem 10 fly backward upon it.
Or, which is Galieo's instance, il a broad
vessel OF water, for some time evenly car
ried forward with the water in it, chance TO
meet with stop, or TO slack its motion. the
water will dash forward and rise higher at
the tore part of the vessel and Contrary
wise, II the vessel be suddenly put forward
faster than before, the water will dash back
wards, and rise at the hinder part of the
vessel. so that an acccleration or retardati-
on OF the vessel which carries it, will cause
rising OF the water in one part and fal
ling in another which yet, by its own
weight, will again be reduced to a level as
1t was before. And const quently, suppos
ing the sea to- be but as a loose body, car
ried about with the earth, but not so united
to IT, as necessarily to receive the same de
gree OF impetus with il as its fixed parts do
The accelleration or retardation in the mo-
ton OF that parl of the Earth will cause
such dashing of the water, or rising at one
part with falling at another, as what we
call the fux and rcflux of the sea.
Nov, his promised, we are next. with
hIm, to suppose the Earth carried about