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

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        <body>
          <chap>
            <p type="main">
              <s>
                <pb xlink:href="018/01/159.jpg" pagenum="145"/>
              Ita verò ſe habuit obſeruatio. </s>
              <s>Æream Æo­
                <lb/>
              lipilam propemodùm candentem omnique
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              humore deſtitutam expendi primùm bilan­
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              ce iuſtiſsimâ; deinde eiuſdem refrigeratæ &
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              ad naturalem temperiem reſtitutæ pondus
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              examinaui, & animaduerti illam factam̨
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              fuiſſe quatuor vt minimum grauis grauio­
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              rem: Hinc intuli aërem, qui rarefactionę
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              exierat, & naturali condenſatione fuerat ite­
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              rùm in Æolipilam admiſſus, habere in gra­
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              uitate quatuor grana. </s>
              <s>Iterum Æolipilam,
                <lb/>
              vt priùs, calefeci, quæ eiuſdem quoquè pon­
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              deris, vt priùs, inuenta eſt: & illicò eius ro­
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              ſtrum in aquam immerſi, vt aquam ſugeret:
                <lb/>
              ſuxit autem aquæ vncias 9, drachmas 3, gra­
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              na 25; quæ ſunt in vniuerſum (ſi ſingulis
                <lb/>
              drachmis grana 72 tribuantur, & vnciis gra­
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              na 576) grana 5425; quod eſt pondus aquæ
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              occupantis idem ſpatium, quod occupabat
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              aër vi rarefactionis excluſus. </s>
              <s>Eſt igitur gra­
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              uitas aquæ granorum 5425 ad grauitatem̨
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              aëris ſecundùm molem æqualis gran 4, hoc
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              eſt vt 1356 ad 1. Quarè ſatis liberaliter age­
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              re mihi videor, ſi dixero aërem ad aquam in
                <lb/>
              leuitate eſſe vt 1200 ad 1. </s>
            </p>
            <p type="main">
              <s>
                <emph type="italics"/>
              Guld.
                <emph.end type="italics"/>
              </s>
              <s> Quàm vellem hæc omninò veri­
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              tati congruere! Sed veniam dabis non qui­
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              dem improbanti conatum, ſed penſicula­</s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>
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