Borelli, Giovanni Alfonso, De motionibus naturalibus a gravitate pendentibus, 1670

Table of figures

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    <archimedes>
      <text>
        <body>
          <chap>
            <p type="main">
              <s id="s.000818">
                <pb pagenum="162" xlink:href="010/01/170.jpg"/>
                <arrow.to.target n="marg206"/>
                <lb/>
                <emph type="italics"/>
              tea.
                <emph.end type="italics"/>
              </s>
              <s id="s.000819"> Primò aio nil referre an moles aquæ ſit maior,
                <lb/>
              aut minor reſpectu olei, & aeris, ſed ſufficit vt gra­
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              uitas ſpecifica aquæ, multò maior ſit reſpectu aggre­
                <lb/>
              gati ex aere, & oleo, quàm reſpectu ſolius olei, ita­
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              que in caſu noſtro moles aquæ, ſiue magna, ſiue exi­
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              gua, in fiſtula poteſt comparari cum oleo tantùm, vel
                <lb/>
              cum aggregato ex oleo, & aere; modò ex Archime­
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              dis doctrina eadem aqua grauior eſt ſpecie aggre­
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              gato ex oleo & aere, quàm oleo ſolitario, & quò ma­
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              ior fuerit differentia grauitatum ſpecificarum, tantò
                <lb/>
              maior, cęteris paribus, eſt velocitas mobilis in fluido,
                <lb/>
              & hinc
                <expan abbr="cõſtat">conſtat</expan>
              quòd ea quæ adducta ſunt, vt maximè
                <lb/>
              abſurda
                <expan abbr="nedũ">nedum</expan>
              inconuenientia non ſunt, ſed è contrà
                <lb/>
              neceſſitate mechanica contingere debent. </s>
              <s id="s.000820">Poſtremæ
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              oppoſitioni, vbi ait:
                <emph type="italics"/>
              Nec denique dici poteſt coniunctum
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              ex oleo, & aere eſſe aliquid leuius, quàm aquæ alterum
                <expan abbr="tã-tum">tan­
                  <lb/>
                tum</expan>
              in eadem mole, ideoque aquam illud magis in grauita­
                <lb/>
              te excedere, quàm oleum ſeorsùm ſumptum, & proindè ci­
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              tiùs illius locum occupare velle; nam ſi non datur leuitas,
                <lb/>
              & particula aeris habet aliquid grauitatis potiùs ex illa, &
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              oleo factum est corpus grauius, quàm est ſolum oleum.
                <emph.end type="italics"/>
              </s>
              <s id="s.000821"> Et
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              hic nil aliud reſpondere poſſum, niſi quòd huiuſmo­
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              di ratiocinia condonari poſſunt ijs, qui in doctriną
                <lb/>
              Archimedis minimè verſati ſunt. </s>
              <s id="s.000822">Affertur enim, vt
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              abſurdum, quòd aggregatum ex oleo, & aere grauius
                <lb/>
              ſit abſolutè ſolo oleo, quod profectò non negatur, eſt
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              enim veriſſimum, ſed tamen animaduertendum eſt,
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              quod licèt prædictum aggregatum ex oleo, & aerę
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              grauitate abſoluta magis ponderet, quàm oleum per </s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>