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

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    <archimedes>
      <text>
        <body>
          <chap>
            <p type="main">
              <s id="s.001187">
                <pb pagenum="231" xlink:href="010/01/239.jpg"/>
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                <lb/>
              tionem, quæ in libero aere efficiebatur, ſit pars de­
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              cimaquarta altitudinis aquæ ND. in hoc rerum ſta­
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              tu digito, vel quolibet alio operculo claudatur fi­
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              ſtulæ oſtium G hic iam ceſſat om­
                <lb/>
                <figure id="id.010.01.239.1.jpg" xlink:href="010/01/239/1.jpg" number="92"/>
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              ninò actio, & compreſſio
                <expan abbr="põderis">ponderis</expan>
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              cylindri aquei NG, & tamen mer­
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              curius in eodem ſigno fiſtulæ H
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              perſeuerat, igitur eodem modo
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              in aere occluſo oſtio G perſeue­
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              rare, & retineri debet mercurius
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              ſubleuatus
                <expan abbr="vſq;">vſque</expan>
              ad F mediatè
                <expan abbr="qui-dẽ">qui­
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                dem</expan>
              à
                <expan abbr="põdere">pondere</expan>
              aeris qui prius
                <expan abbr="incũ-bebat">incum­
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                bebat</expan>
              , ſed modo immediatè ab illa compreſſione, &
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              reſtrictione, quam produxerat pondus incumbentis
                <lb/>
              aeris SG. vnde conſtat quod mercurius in fiſtula ele­
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              uari poteſt à pondere aeris ambientis, nec adductą
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              difficultas hanc ſententiam debilitat aut deſtruit. </s>
            </p>
            <p type="margin">
              <s id="s.001188">
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              Cap. 5. de ae
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              ris grauitate
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              æquilibrio,
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              ſtructura, &
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              vi elaterią
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              eius.</s>
            </p>
            <p type="main">
              <s id="s.001189">Subdit poſtea pro confirmatione ſui ratiocinij:
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                <emph type="italics"/>
              Iam verò facilè ostendo non ſustineri, ſeu ſuſpendi in BF eò
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              quod aer interceptus inter operculum, & ſuperficiem vlte­
                <lb/>
              riori compreſsioni reſistat, nempè ſi admoto dicto operculo, &
                <lb/>
              extante mercurio in BF aperiatur foramen in A mercurius
                <lb/>
              illicò infra F deſcendit, idque notabili ſegmento, &c.
                <emph.end type="italics"/>
              </s>
            </p>
            <p type="margin">
              <s id="s.001190">
                <margin.target id="marg309"/>
              Hoc ratio­
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              cinium cona
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              tur refellere
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              aduerſarius.</s>
            </p>
            <p type="main">
              <s id="s.001191">Sibi ipſi poſtea opponit dicendo, quòd mercurius
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                <expan abbr="deorsũ">deorsum</expan>
              impellitur duplici vi, propriæ ſcilicèt grauita­
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              tis mercurij BF, &
                <expan abbr="põderis">ponderis</expan>
              aeris per
                <expan abbr="ſupremũ">ſupremum</expan>
                <expan abbr="foramẽ">foramen</expan>
                <lb/>
                <expan abbr="fluẽtis">fluentis</expan>
              , quid mirum ſi præualeat, interceptumque ae­
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              rem vlteriùs comprimat, & mercurium infra F depri­
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              mat. </s>
              <s id="s.001192">poſtea huic argumento reſpondet:
                <emph type="italics"/>
              Dico non ma-
                <emph.end type="italics"/>
              </s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>
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