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

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    <archimedes>
      <text>
        <body>
          <chap>
            <p type="main">
              <s id="s.001966">
                <pb pagenum="371" xlink:href="010/01/379.jpg"/>
                <arrow.to.target n="marg497"/>
                <lb/>
              cauſa eleuationis aquæ in prædictis arginibus. </s>
            </p>
            <p type="margin">
              <s id="s.001967">
                <margin.target id="marg497"/>
              Cap. 8. cur
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              exiguæ aquæ
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              guttæ ſupra
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                <expan abbr="libellã">libellam</expan>
              aquæ
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              aſcendunt.</s>
            </p>
            <p type="main">
              <s id="s.001968">Debet modo aſſignari virtus motiua, quæ eleuat,
                <lb/>
              & ſuſtinet aquam ſupra propriam libellam vſque ad
                <lb/>
              ſummitatem arginis, & hanc demonſtrabo eſſe ſim­
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              plicem aquæ grauitatem. </s>
              <s id="s.001969">Quia aquæ particulæ ad­
                <lb/>
              hærentes parieti vaſis inſinuant ramos ſuarum machi­
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              nularum intra poroſitates, & foueolas parietis, à cu­
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              ius eminentijs, & aſperitatibus fulciuntur extremi­
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              tates particularum aquæ, quarum oppoſiti termini
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              ſuſtinentur, à ſubiecta collaterali aqua, proptereà
                <lb/>
              efficientur veluti totidem vectes conuertibiles circa
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              eorum fulcimenta parieti annexa. </s>
              <s id="s.001970">Hinc fit vt prædi­
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              ctæ aquæ particulæ exiguam vim compreſſiuam exer­
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              ceant, & minori momento ſubiectam aquam com­
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              primant, cùm partes aquæ collateralis liberè
                <expan abbr="premẽ-do">premen­
                  <lb/>
                do</expan>
              ſupra aquam ſubiectam integram ſuam vim, &
                <lb/>
              momentum exerceant, igitur ex prop. 174. partes
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              minùs preſſæ ſursùm impelli debent à partibus ma­
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              gis compreſſis: & licèt illæ retineantur, & impedian­
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              tur ne motu ſibi ipſi æquidiſtanti ferri ſursùm
                <expan abbr="queãt">queant</expan>
              ,
                <lb/>
              tamen eadem impedimenta
                <expan abbr="aſperitatũ">aſperitatum</expan>
              parietis præ­
                <lb/>
              clarè adiuuant flexionem, & turbinationem earun­
                <lb/>
              dem aquæ particularum, igitur à vi motiua grauita­
                <lb/>
              tis maioris aquæ collateralis flecti, rotari, & impelli
                <lb/>
              ſursùm poſſunt parieti adhęrendo eædem aquæ par­
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              ticulæ; dum verò efficitur prædicta eleuatio, ſummi­
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              tates guttularum reuolutarum eminentiores reddun­
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              tur quàm aliæ particulæ parieti adhærentes, igitur
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              tunc prædictæ particulæ iam eleuatæ naturali inſtin-</s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>
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