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

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    <archimedes>
      <text>
        <body>
          <chap>
            <p type="main">
              <s>
                <pb xlink:href="018/01/211.jpg" pagenum="197"/>
              addatur grauitas aquæ in aere † 5 1/3, erit ſpe­
                <lb/>
              cifica globi leuitas in aere ——4 1/6. Quàm̨
                <lb/>
              bellè itaque res Archimedi ſucceſſiſſet: quan­
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              do quidem vbi eò terram eleuaſſet, vt aqua
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              in latus ſeceſſiſſet, telluris globus non ſolùm
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              ex aquâ emergeret, ſed relictâ in vniuerſi
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              centro aquâ auolaret ſupra aërem, donec of­
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              fenderet medium æqualis leuitatis ſupra aë­
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              rem communem. </s>
              <s>Quarè machinationibus
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              opus eſſet non ad mouendam, ſed ad reti­
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              nendam tellurem. </s>
            </p>
            <p type="main">
              <s>
                <emph type="italics"/>
              Gal.
                <emph.end type="italics"/>
              </s>
              <s> Quod tellus, ſublatâ aquâ, leuior
                <lb/>
              ſit quàm aer iſte communis, quem ſpiritu
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              ducimus, vix adduci poſſum, vt credam: id
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              autem cùm ex hypotheſi à vobis conſtitutâ
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              ſequatur, hypotheſi ipſi probabilitatem de­
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              mit. </s>
              <s>Quapropter aut nimiam igni leuita­
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              tem, aut nimiam molem tribuiſtis; atquę
                <lb/>
              adeò vtramque aut alterutram temperarę
                <lb/>
              oportet. </s>
              <s>Equidem exiſtimo in leuitate po­
                <lb/>
              tiùs peccatum fuiſſe quàm in mole: mihi ſi­
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              quidem facilè perſuadeo ingentem ignium
                <lb/>
              vim intimis terræ viſceribus concludi, quo­
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              rum potiſſimùm adminiſtratione naturą
                <lb/>
              perficit pretioſam illam metallorum ſupel­
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              lectilem, quibus ſodinæ ditantur: certum
                <lb/>
              eſt autem calore humidum attenuante com­
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              miſceri ſpiritus metallicos partibus fixis, at­</s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>
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