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

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    <archimedes>
      <text>
        <body>
          <chap>
            <p type="main">
              <s>
                <pb xlink:href="051/01/117.jpg" pagenum="86"/>
              cunque ratione longius crure interno, ſed neceſſarium omnino
                <lb/>
              eſt ut perpendiculum externi cruris longius ſit perpendiculo in­
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              terni, juxta dicta ſuprà Protheoria I. §. VI. </s>
            </p>
            <p type="margin">
              <s>
                <margin.target id="marg167"/>
                <emph type="italics"/>
              Aqua inæ­
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              quali cele­
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              ritate efflu­
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              it ex crure
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              externo ſi­
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              phonis,
                <emph.end type="italics"/>
              </s>
            </p>
            <p type="main">
              <s>
                <emph type="center"/>
              Secunda Proprietas.
                <emph.end type="center"/>
              </s>
            </p>
            <p type="main">
              <s>Si crus externum FN decurtetur in K, & internum tan­
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              gat ferè fundum in E, & ex ore K extrahatur aer; ſequetur
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              aqua uſque ad os K, propter vacui metum, & tota ferè effluet,
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              donec
                <expan abbr="nimirũ">nimirum</expan>
              perveniat ſuprema aquæ ſuperficies
                <expan abbr="uſq;">uſque</expan>
              ad oſcu­
                <lb/>
              lum E. </s>
              <s>Ratio eſt, quia perpendiculum cruris externi longius
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              eſt quàm interni. </s>
              <s>At poſtquam aqua pervenerit uſque ad oſcu­
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              lum E, nihil amplius effluit, quia perpendicula FE, FK ſunt
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              æqualia. </s>
              <s>Hærebit ergo aqua in æquilibrio in utroque crure. </s>
            </p>
            <p type="main">
              <s>
                <emph type="center"/>
              Tertia Proprietas.
                <emph.end type="center"/>
              </s>
            </p>
            <p type="main">
              <s>Si crus externum FN decurtetur in H, & internum ſit
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              infra lineam LM, aut pertingat ſolummodò uſque ad dictam
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              lineam; vas tamen ſit plenum uſque ad lineam CD, aut ſaltem
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              aqua ſit ſupra lineam LM; effluet aqua per os H, donec ſupre­
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              ma aquæ vaſis ſuperficies perveniat uſque ad lineam LM, & non
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              ampliùs. </s>
              <s>Ratio eſt, quia antequam dicta aquæ ſuperficies per­
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              veniat ad lineam LM, perpendiculum cruris externi eſt ſem­
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              per longius perpendiculo cruris interni; quando verò deſcendit
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              jam ad dictam lineam, ambo perpendicula ſunt æqualia. </s>
              <s>Fluxus
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              porrò difformitas quoad celeritatem aut tarditatem eadem eſt,
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              quæ antea. </s>
            </p>
            <p type="main">
              <s>
                <emph type="center"/>
              Quarta Proprietas.
                <emph.end type="center"/>
              </s>
            </p>
            <p type="main">
              <s>Si crus externum decurtetur in G, ut ſit ejuſdem altitudi­
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              nis ſupra Horizontem cum ſuperficie humidi CD, & aqua at­
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              trahatur in G; nihil effluet, quia perpendicula ſunt æqualia:
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              quare aqua hærebit in æquilibrio in utroque crure. </s>
            </p>
            <p type="main">
              <s>
                <emph type="center"/>
              Corollarium I.
                <emph.end type="center"/>
              </s>
            </p>
            <p type="main">
              <s>Ex his colligitur primò, Si vas ſit plenum ſolummodò uſque
                <lb/>
                <arrow.to.target n="marg168"/>
                <lb/>
              ad lineam LM, & ſiphonis crus externum decurtetur in H, vel
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              G, vel O, internum verò pertingat uſque ad fundum; nihil
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              poſſe effluere ex crure externo. </s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>