Schott, Gaspar, Mechanica hydraulico-pneumatica. Pars I. Mechanicae Hydraulico-pnevmaticae Theoriam continet. , 1657

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      <text>
        <body>
          <chap>
            <p type="main">
              <s>
                <pb xlink:href="051/01/065.jpg" pagenum="34"/>
                <arrow.to.target n="fig5"/>
                <lb/>
              cruris CD, & diligenter coarcta in­
                <lb/>
              ter ſeſe, nè aër inter
                <expan abbr="vtrumq;">vtrumque</expan>
                <expan abbr="trãſire">tranſire</expan>
                <lb/>
              poſſit. </s>
              <s>His factis aperios inferius. </s>
              <s>
                <lb/>
              Et ſi quidem tubus rectus DE lon­
                <lb/>
              gior fuerit quàm crus AB à ſupre­
                <lb/>
              ma ſuperficie aquæ vaſis
                <expan abbr="vsq;">vsque</expan>
              ad B;
                <lb/>
              effluet aqua ex E,
                <expan abbr="aſcendetq́ue">aſcendetque</expan>
              a­
                <lb/>
              qua vaſis A, per crus AB,
                <expan abbr="indeq́ue">indeque</expan>
                <lb/>
              per CD, crus deſcendet, donec
                <lb/>
              tota effluxerit ex ore E. </s>
              <s>Si aut de­
                <lb/>
              urtetur tubus DE in F, fiatque
                <lb/>
              æqualis cruri AB; aſendet aqua va­
                <lb/>
              ſis A ſolùm uſque ad B, quàm diu vi­
                <lb/>
              delicet aqua ex F effluit; quâ elapsâ,
                <lb/>
              relabetur aqua cruris AB intra vas
                <lb/>
              A, Si idem tubus DE decurtetur
                <lb/>
              in G, aut H,
                <expan abbr="fiatq́ue">fiatque</expan>
              brevior quàm
                <lb/>
              crus AB; aſcendet aqua per AB ſo­
                <lb/>
              lùm aliquòuſque, & deinde rela­
                <lb/>
              betur. </s>
              <s>Experientiam quilibet fa­
                <lb/>
              cilè poterit facere. </s>
            </p>
            <p type="margin">
              <s>
                <margin.target id="marg92"/>
                <emph type="italics"/>
              Experimë­
                <lb/>
              tum aliud:
                <lb/>
              oſtendens
                <lb/>
              vim attra­
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              ctivam a­
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              quæ in
                <expan abbr="altũ">altum</expan>
              .
                <emph.end type="italics"/>
              </s>
            </p>
            <figure id="id.051.01.065.1.jpg" xlink:href="051/01/065/1.jpg" number="13"/>
            <p type="main">
              <s>Nec ſufficit vt tubus EF, ſupe­
                <lb/>
              rioris figuræ ſit
                <expan abbr="quacunq;">quacunque</expan>
              ratione longior tubo BK, ſed neceſſari­
                <lb/>
              um eſt, vt
                <expan abbr="perpendiculũ">perpendiculum</expan>
              ipſius EF, ſit longius quàm perpendicu­
                <lb/>
              lum BK, hoc eſt, vt tubus EF perpendiculariter deſcendat
                <lb/>
              profundiùs infra vas C, quàm tubus BK aſcendat perpendi­
                <lb/>
              culariter ſupra vas B. </s>
              <s>Quare ſi tubus EF centum & vnius pe­
                <lb/>
                <arrow.to.target n="marg93"/>
                <lb/>
              dum inclinaretur infra vas C, aut convolveretur in helicem,
                <lb/>
              vt hîc apparet, ita vt perpendiculum ipſius ſolùm eſſet pedum
                <lb/>
              v.g. 60. ab E vſque ad D v.g. & non vſque ad N; neutiquam
                <lb/>
              ſufficeret; ſed omnino neceſſarium eſt, vt perpendiculum ſit
                <lb/>
              etiam ad minimùm centum pedum, & pertingat vſque ad N. </s>
              <s>Et
                <lb/>
              hæc perpendiculi menſura adeo eſt neceſſaria in hydraulicis hi­
                <lb/>
              ſce operationibus, vt Natura falli nulla arte, nullo dolo,
                <expan abbr="nullaq́">nullaque</expan>
              ;
                <lb/>
              experientia poſſit. </s>
              <s>Ioannes Baptiſta Porta lib. 2. Spirital. cap. </s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>
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