Casati, Paolo, De igne dissertationes physicae, 1686

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              <pb o="44" file="0056" n="56" rhead="Diſſertatio Tertia."/>
            quemadmodum cùm liquor per tenuem fiſtulam exiens ab am-
              <lb/>
            pliſſimo vaſe ſe ſiſtit in æquilibrio in eadem ſuperficie horizon-
              <lb/>
            tali: </s>
            <s xml:id="echoid-s1515" xml:space="preserve">ibi ſcilicet non omnis liquor vaſe contentus facit æquili-
              <lb/>
            brium cum liquore fiſtulæ erectæ; </s>
            <s xml:id="echoid-s1516" xml:space="preserve">nam maxima illius pars vrget
              <lb/>
            vaſis fundum, non aquam exeuntem. </s>
            <s xml:id="echoid-s1517" xml:space="preserve">At hìc vniuerſus Mercu-
              <lb/>
            rius vaſis vrgetur ab aëre. </s>
            <s xml:id="echoid-s1518" xml:space="preserve">Niſi fortè fingas circa fiſtulæ oſculum
              <lb/>
            eſſe circulare cingulum, cuius area æqualis baſi cylindri Mercu-
              <lb/>
            rialis ſit baſis cylindri aërij æquiponderantis. </s>
            <s xml:id="echoid-s1519" xml:space="preserve">Hæc verò ſomnijs
              <lb/>
            ſimilia ſunt; </s>
            <s xml:id="echoid-s1520" xml:space="preserve">quid enim cingulo illi legem ſtatuit? </s>
            <s xml:id="echoid-s1521" xml:space="preserve">vt pro maio-
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            re aut minore fiſtulæ baſi modò maiorem, modò minorem la-
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            titudinem obtineat; </s>
            <s xml:id="echoid-s1522" xml:space="preserve">ſit autem circulare, ſi fiſtula quidem ad
              <lb/>
            perpendiculum ſtatuatur; </s>
            <s xml:id="echoid-s1523" xml:space="preserve">ſit verò ellipticum, ſi fiſtula incli-
              <lb/>
            nata obliquè ſecetur à ſuperſicie Mercurij in ſubiecto vaſe; </s>
            <s xml:id="echoid-s1524" xml:space="preserve">ſed
              <lb/>
            tunc in illâ inclinatione cingulum illud æquabile non eſſet, quia
              <lb/>
            qua parte ſubijceretur fiſtulæ inclinatæ, prohiberetur abipsâ fi-
              <lb/>
            ſtulâ aër imminens, ne vrgeret ſubiectum Mercurium: </s>
            <s xml:id="echoid-s1525" xml:space="preserve">qua igi-
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            tur lege cingulum huiuſmodi deſinitur, vbi circulare eſſe nequit?
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            </s>
            <s xml:id="echoid-s1526" xml:space="preserve">Porrò ex vniuerſo aërio cylindro, qui Mercurio vaſis imminet,
              <lb/>
            ſi baſis ſiſtulæ maior ſit, maior aëris cylindrus premit; </s>
            <s xml:id="echoid-s1527" xml:space="preserve">ſi ſiſtula
              <lb/>
            exilior fuerit, minor eſt aërius cylindrus premens fubiectum
              <lb/>
            Mercurium, vt æqualitas virium confligentium fiat; </s>
            <s xml:id="echoid-s1528" xml:space="preserve">libenter
              <lb/>
            igitur audirem, quænam Phyſica cauſa cohibeat maioris cylin-
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            dri aërij conatum, ne premat Mercurium vaſis, quando exilis
              <lb/>
            eſt fiſtula, permittat verò preſſum, vbi ampliore in fiſtulâ ſuſ-
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            pendendus eſt Mercurius. </s>
            <s xml:id="echoid-s1529" xml:space="preserve">Adde quod Mercurius è fiſtulâ valde
              <lb/>
            notabiliter longiore digitis 30, aut adnexum in capite globum
              <lb/>
            habente, exiens attollit vniuerſam ſuperficiem Mercurij in va-
              <lb/>
            ſe, igitur ſurſum repellit vniuerſum cylindrum aërium: </s>
            <s xml:id="echoid-s1530" xml:space="preserve">igitur & </s>
            <s xml:id="echoid-s1531" xml:space="preserve">
              <lb/>
            hic viciſſim vniuerſus vniuerſam ſuperficiem premens impedit,
              <lb/>
            ne totus ex fiſtulâ Mercurius deſcendat: </s>
            <s xml:id="echoid-s1532" xml:space="preserve">Non igitur repugnat
              <lb/>
            Mercurio fiſtulæ vnicus cylindrulus aërius æqualem habens baſim.</s>
            <s xml:id="echoid-s1533" xml:space="preserve"/>
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            <s xml:id="echoid-s1534" xml:space="preserve">Præterea, Si in fiſtulâ non longiore digitis 30. </s>
            <s xml:id="echoid-s1535" xml:space="preserve">nihil deſcendit
              <lb/>
            Mercurij, quia cylindrus aërius premens Mercurium vaſis vel
              <lb/>
            æquè grauis eſt, vel grauior; </s>
            <s xml:id="echoid-s1536" xml:space="preserve">igitur admiſſâ intrà eandem fiſtu-
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            lam particulâ aëris vna cum Mercurio, nihil Mercurij deſcendet;
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            </s>
            <s xml:id="echoid-s1537" xml:space="preserve">quia ſcilicet cylindrus digit. </s>
            <s xml:id="echoid-s1538" xml:space="preserve">29 aut 28 compoſitus ex Mercurio
              <lb/>
            & </s>
            <s xml:id="echoid-s1539" xml:space="preserve">aëre, leuior eſt cylindro Mercuriali eiuſdem altitudinis: </s>
            <s xml:id="echoid-s1540" xml:space="preserve">at
              <lb/>
            cylindrus aërius reſiſtit cylindro Mercuriali grauiori, </s>
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