It is proved
impoſſible that
there ſhould
rally be any ebbing
and flowing, the
Earth being
moveable.
impoſſible that
there ſhould
rally be any ebbing
and flowing, the
Earth being
moveable.
* Palms.
+ Lio is a fair
Port in the
tian Gulph, lying
N. E. from the
City.
Port in the
tian Gulph, lying
N. E. from the
City.
SAGR. I have all the while perfectly apprehended you in this;
and I ſtand greedily attending to hear in what manner theſe
ders may occur without obſtruction from the motion already
ſigned to the Earth.
and I ſtand greedily attending to hear in what manner theſe
ders may occur without obſtruction from the motion already
ſigned to the Earth.
SALV. Theſe effects being to enſue in conſequence of the
tions that naturally agree with the Earth, it is neceſſary that they
not onely meet with no impediment or obſtacle, but that they do
follow eaſily, & not onely that they follow with facility, but with
neceſſity, ſo as that it is impoſſible that it ſhould ſucceed otherwiſe,
for ſuch is the property & condition of things natural & true.
ving therefore ſhewen the impoſſibility of rendring a reaſon of the
motions diſcerned in the Waters, & at the ſame time to maintain
the immobility of the veſſel that containeth them: we may proceed
to enquire, whether the mobility of the Container may produce
the required effect, in the manner that it is obſerved to evene.
tions that naturally agree with the Earth, it is neceſſary that they
not onely meet with no impediment or obſtacle, but that they do
follow eaſily, & not onely that they follow with facility, but with
neceſſity, ſo as that it is impoſſible that it ſhould ſucceed otherwiſe,
for ſuch is the property & condition of things natural & true.
ving therefore ſhewen the impoſſibility of rendring a reaſon of the
motions diſcerned in the Waters, & at the ſame time to maintain
the immobility of the veſſel that containeth them: we may proceed
to enquire, whether the mobility of the Container may produce
the required effect, in the manner that it is obſerved to evene.
True and
ral effects follow
without difficulty.
ral effects follow
without difficulty.
Two kinds of motions may be conferred upon a Veſſel,
by the Water therein contained, may acquire a faculty of
ctuating in it, one while towards one ſide, and another while
towards another; and there one while to ebbe, and another
while to flow. The firſt is, when firſt one, and then another of
thoſe ſides is declined, for then the Water running towards the
inclining ſide, will alternately be higher and lower, ſometimes
on one ſide, and ſometimes on another. But becauſe that this
riſing and abating is no other than a receſſion and acceſſion to the
centre of the Earth, ſuch a motion cannot be aſcribed to the
ties of the ſaid Earth, that are the Veſſels which contain the
ters; the parts of which Veſſel cannot by any whatſoever motion
aſſigned to the Earth, be made to approach or recede from the
centre of the ſame: The other ſort of motion is, when the
Veſſel moveth (without inclining in the leaſt) with a progreſſive
motion, not uniform, but that changeth velocity, by ſometimes
accellerating, and other times retarding: from which diſparity
it would follow, that the Water contained in the Veſſel its true,
but not fixed faſt to it, as its other ſolid parts, but by reaſon of
its fluidity, as if it were ſeparated and at liberty, and not
ged to follow all the mutations of its Container, in the retardation
of the Veſſel, it keeping part of the impetus before conceived,
would run towards the the preceding part, whereupon it would
of neceſſity come to riſe; and on the contrary, if new velocity
ſhould be added to the Veſſel, with retaining parts of its tardity,
ſtaying ſomewhat behind, before it could habituate it ſelf to the
new impetus, it would hang back towards the following part,
where it would come to riſe ſomething. The which effects we
may plainly declare and make out to the Senſe by the example of
one of thoſe ſame Barks yonder, which continually come from
by the Water therein contained, may acquire a faculty of
ctuating in it, one while towards one ſide, and another while
towards another; and there one while to ebbe, and another
while to flow. The firſt is, when firſt one, and then another of
thoſe ſides is declined, for then the Water running towards the
inclining ſide, will alternately be higher and lower, ſometimes
on one ſide, and ſometimes on another. But becauſe that this
riſing and abating is no other than a receſſion and acceſſion to the
centre of the Earth, ſuch a motion cannot be aſcribed to the
ties of the ſaid Earth, that are the Veſſels which contain the
ters; the parts of which Veſſel cannot by any whatſoever motion
aſſigned to the Earth, be made to approach or recede from the
centre of the ſame: The other ſort of motion is, when the
Veſſel moveth (without inclining in the leaſt) with a progreſſive
motion, not uniform, but that changeth velocity, by ſometimes
accellerating, and other times retarding: from which diſparity
it would follow, that the Water contained in the Veſſel its true,
but not fixed faſt to it, as its other ſolid parts, but by reaſon of
its fluidity, as if it were ſeparated and at liberty, and not
ged to follow all the mutations of its Container, in the retardation
of the Veſſel, it keeping part of the impetus before conceived,
would run towards the the preceding part, whereupon it would
of neceſſity come to riſe; and on the contrary, if new velocity
ſhould be added to the Veſſel, with retaining parts of its tardity,
ſtaying ſomewhat behind, before it could habituate it ſelf to the
new impetus, it would hang back towards the following part,
where it would come to riſe ſomething. The which effects we
may plainly declare and make out to the Senſe by the example of
one of thoſe ſame Barks yonder, which continually come from
zoom in
zoom out
zoom area
full page
page width
set mark
remove mark
get reference
digilib