Heron <Alexandrinus>, Heronis Alexandrini spiritalium liber

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        <div xml:id="echoid-div11" type="section" level="1" n="9">
          <pb o="15" file="0021" n="21" rhead="SPIRITAL. LIBER."/>
        </div>
        <div xml:id="echoid-div13" type="section" level="1" n="10">
          <head xml:id="echoid-head16" style="it" xml:space="preserve">De fluxu partim æquali partim inæqualiper ſiphonem. IV.</head>
          <p>
            <s xml:id="echoid-s375" xml:space="preserve">At ſluxus partim quidem æqualis, partim vero inæqualis
              <lb/>
            fit per ſiphonem: </s>
            <s xml:id="echoid-s376" xml:space="preserve">voco autem partim æqualem, & </s>
            <s xml:id="echoid-s377" xml:space="preserve">partim
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            inæqualem, quando per aliquod tempus volentibus nobis
              <lb/>
            æqualis ſit factus à principio fluxus, & </s>
            <s xml:id="echoid-s378" xml:space="preserve">rurſus per aliud tem-
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            pus ſi ita nobis placeat, æqualis ſit per ſe ipſum, priori vero
              <lb/>
            vel tardior, vel velocior.</s>
            <s xml:id="echoid-s379" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s380" xml:space="preserve">Sit enim rurſus aquæ vas
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              <figure xlink:label="fig-0021-01" xlink:href="fig-0021-01a" number="8">
                <image file="0021-01" xlink:href="http://echo.mpiwg-berlin.mpg.de/zogilib?fn=/permanent/library/xxxxxxxx/figures/0021-01"/>
              </figure>
            A B, lebes C D, per oper-
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            culum vero, & </s>
            <s xml:id="echoid-s381" xml:space="preserve">fundum le-
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            betis trajiciatur canalis la-
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            tior, quam crus interius ſi-
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            phonis: </s>
            <s xml:id="echoid-s382" xml:space="preserve">& </s>
            <s xml:id="echoid-s383" xml:space="preserve">ſit hic canalis
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            M L, coarctatus & </s>
            <s xml:id="echoid-s384" xml:space="preserve">opercu-
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            lo, & </s>
            <s xml:id="echoid-s385" xml:space="preserve">fundo lebetis: </s>
            <s xml:id="echoid-s386" xml:space="preserve">oper-
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            culo autem inſiſtat pegma-
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            tium ex regulis compactum,
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            quemadmodum littera ◠,
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            & </s>
            <s xml:id="echoid-s387" xml:space="preserve">ſit CNXD. </s>
            <s xml:id="echoid-s388" xml:space="preserve">In regulis
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            autem rectis C N, X D ex
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            interiori parte ſecundum
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            earum longitudinem inſcul-
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            pantur canales, in quibus
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            altera regula O P expedite
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            percurrat: </s>
            <s xml:id="echoid-s389" xml:space="preserve">ſit etiam co-
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            chlea R S recta pertingens
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            ad operculum C D, & </s>
            <s xml:id="echoid-s390" xml:space="preserve">per
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            foramen, quod eſt in regula O P tranſiens: </s>
            <s xml:id="echoid-s391" xml:space="preserve">ſit præterea tylus aliquis regula
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            O P conjunctus, ita ut inſeratur in helicem cochleæ, excedat autem co-
              <lb/>
            chlea ſupra regulam N X, & </s>
            <s xml:id="echoid-s392" xml:space="preserve">exceſſui adnectatur anſa, per quam cochleam
              <lb/>
            convertamus, ita ut regula O P interdum quidem ſublimis fiat, interdum
              <lb/>
            vero depreſſa: </s>
            <s xml:id="echoid-s393" xml:space="preserve">cui regulæ conjunctum ſit crus interius ſiphonis, permeans
              <lb/>
            etiam per canalem L M, adeo ut oſculum ipſius aqua, quæ in vaſe demer-
              <lb/>
            gatur. </s>
            <s xml:id="echoid-s394" xml:space="preserve">Si igitur rurſus per oſculum exterius humidum attrahamus, fluet
              <lb/>
            ſiphon æqualiter, quouſque totum, quod eſt in vaſe, humidum exhauria-
              <lb/>
            @ur. </s>
            <s xml:id="echoid-s395" xml:space="preserve">Quando autem volumus per ipſum alterum fieri fluxum, </s>
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