Salusbury, Thomas, Mathematical collections and translations (Tome I), 1667
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              <s>
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              It is proved
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              impoſſible that
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              there ſhould
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              rally be any ebbing
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              and flowing, the
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              Earth being
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              moveable.
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              * Palms.</s>
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              <s>
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              +
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              Lio
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              is a fair
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              Port in the
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              tian Gulph, lying
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              N. E. from the
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              City.</s>
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              <s>SAGR. </s>
              <s>I have all the while perfectly apprehended you in this;
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              and I ſtand greedily attending to hear in what manner theſe
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              ders may occur without obſtruction from the motion already
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              ſigned to the Earth.</s>
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              <s>SALV. </s>
              <s>Theſe effects being to enſue in conſequence of the
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              tions that naturally agree with the Earth, it is neceſſary that they
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              not onely meet with no impediment or obſtacle, but that they do
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              follow eaſily, & not onely that they follow with facility, but with
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              neceſſity, ſo as that it is impoſſible that it ſhould ſucceed otherwiſe,
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              for ſuch is the property & condition of things natural & true. </s>
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              ving therefore ſhewen the impoſſibility of rendring a reaſon of the
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              motions diſcerned in the Waters, & at the ſame time to maintain
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              the immobility of the veſſel that containeth them: we may proceed
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              to enquire, whether the mobility of the Container may produce
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              the required effect, in the manner that it is obſerved to evene.</s>
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              True and
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              ral effects follow
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              without difficulty.
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              <s>Two kinds of motions may be conferred upon a Veſſel,
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              by the Water therein contained, may acquire a faculty of
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              ctuating in it, one while towards one ſide, and another while
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              towards another; and there one while to ebbe, and another
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              while to flow. </s>
              <s>The firſt is, when firſt one, and then another of
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              thoſe ſides is declined, for then the Water running towards the
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              inclining ſide, will alternately be higher and lower, ſometimes
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              on one ſide, and ſometimes on another. </s>
              <s>But becauſe that this
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              riſing and abating is no other than a receſſion and acceſſion to the
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              centre of the Earth, ſuch a motion cannot be aſcribed to the
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              ties of the ſaid Earth, that are the Veſſels which contain the
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              ters; the parts of which Veſſel cannot by any whatſoever motion
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              aſſigned to the Earth, be made to approach or recede from the
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              centre of the ſame: The other ſort of motion is, when the
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              Veſſel moveth (without inclining in the leaſt) with a progreſſive
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              motion, not uniform, but that changeth velocity, by ſometimes
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              accellerating, and other times retarding: from which diſparity
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              it would follow, that the Water contained in the Veſſel its true,
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              but not fixed faſt to it, as its other ſolid parts, but by reaſon of
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              its fluidity, as if it were ſeparated and at liberty, and not
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              ged to follow all the mutations of its Container, in the retardation
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              of the Veſſel, it keeping part of the
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              impetus
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              before conceived,
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              would run towards the the preceding part, whereupon it would
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              of neceſſity come to riſe; and on the contrary, if new velocity
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              ſhould be added to the Veſſel, with retaining parts of its tardity,
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              ſtaying ſomewhat behind, before it could habituate it ſelf to the
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              new
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              impetus,
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              it would hang back towards the following part,
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              where it would come to riſe ſomething. </s>
              <s>The which effects we
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              may plainly declare and make out to the Senſe by the example of
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              one of thoſe ſame Barks yonder, which continually come from </s>
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