Casati, Paolo, Terra machinis mota : dissertationes geometricae, mechanicae physicae hydrostaticae

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          <chap>
            <pb xlink:href="018/01/169.jpg" pagenum="155"/>
            <p type="main">
              <s>
                <emph type="italics"/>
              Merſ.
                <emph.end type="italics"/>
              </s>
              <s> Si aliquid intelligo, haud procul
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              abes ab eorum ſententiâ, qui omnem aëri
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              grauitatem adimunt: idcirco enim rem hanc
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              ad viuum reſecas, vt illa prorſus euaneſcat. </s>
            </p>
            <p type="main">
              <s>
                <emph type="italics"/>
              Guld.
                <emph.end type="italics"/>
              </s>
              <s> Quo iure omnium ſententia ferro
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              & plumbo leuitatem negaret, quia vt pluri­
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              mum grauitant in medijs communibus,
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              quamuis in hydrargyro aſcendant & inna­
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              tent; ita aërem pariter grauem apud nos eſſe
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              inſicior, quamuis ſi in purum æthera tranſ­
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              ferretur, ibi grauitaret, quemadmodum &
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              aër præter naturam condenſatus in vtribus,
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              in aëre libero grauitat: ibi ſiquidem grauita­
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              re poterit, vbi medium leuius, in quo ſit,
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              inueniet. </s>
              <s>Immò memini me olim vento­</s>
            </p>
            <p type="main">
              <s>
                <arrow.to.target n="note74"/>
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              rum deſcendentium cauſam reieciſſe in aë­
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              ris ſeu halitûs grauitatem; ſicut enim gra­
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              uia deſcendentia, ita & leuia aſcendentią
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              impetum in motu concipiunt, & augent; ex
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              quo ſit, vt, quemadmodum lignum in aquam
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              cadens profundiùs mergitur, quàm par ſit,
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              vnde poſteà emergit, ita pariter halitus in­
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              ſimo hoc aëre leuiores aſcendentes conci­
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              piant impetum, quo deferantur vltra termi­
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              nos ſuæ quieti debitos in ſupremum aerëm
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              ipſis halitibus leuiorem; in quo cum iam
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              graues ſint, deſcendant, & obuios halitus
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              aſcendentes reflectant. </s>
              <s>Si igitur aerem hunc </s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>