Heron <Alexandrinus>, Heronis Alexandrini spiritalium liber

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            <s xml:id="echoid-s1947" xml:space="preserve">
              <pb o="98" file="0104" n="104" rhead="HERONIS"/>
            vat, contineatur, tibiiſque ſonantibus ſuppeditetur. </s>
            <s xml:id="echoid-s1948" xml:space="preserve">At embolus RS
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            ſurſum impulſus, ut dictum eſt, aërem, qui in modiolo continetur in
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            furnum exprimit; </s>
            <s xml:id="echoid-s1949" xml:space="preserve">deductus vero aperit platyſmation exiſtens in parvo
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              <figure xlink:label="fig-0104-01" xlink:href="fig-0104-01a" number="85">
                <image file="0104-01" xlink:href="http://echo.mpiwg-berlin.mpg.de/zogilib?fn=/permanent/library/xxxxxxxx/figures/0104-01"/>
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            modiolo, per quod modiolus aëre extrinſecus impletur, ut rurſum em-
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            bolus in partem ſuperiorem impulſus ipſum in furnum exprimat. </s>
            <s xml:id="echoid-s1950" xml:space="preserve">Melius
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            autem eſt & </s>
            <s xml:id="echoid-s1951" xml:space="preserve">regulam TY circa clavum moveri ad Y circa fibulam unam
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            exiſtentem in fundo emboli, per quam oportebit clavum impelli, ut
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            embolusnon convertatur, ſed rectus impellatur ſurſum, & </s>
            <s xml:id="echoid-s1952" xml:space="preserve">deducatur.</s>
            <s xml:id="echoid-s1953" xml:space="preserve"/>
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        <div xml:id="echoid-div133" type="section" level="1" n="84">
          <head xml:id="echoid-head90" xml:space="preserve">LXXVI.</head>
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            <s xml:id="echoid-s1954" xml:space="preserve">Organi conſtructio ut vento perflante ſonus tibiæ red-
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            datur.</s>
            <s xml:id="echoid-s1955" xml:space="preserve"/>
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            <s xml:id="echoid-s1956" xml:space="preserve">Sint tibiæ A, tubus autem tranſverſus cum ipſis perforatus B C, & </s>
            <s xml:id="echoid-s1957" xml:space="preserve">
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            rectus D E, ex quo alius tranſverſus EF pertinens in modiolum GH,
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            habentem ſuperficiem interiorem ad embolum rectam, huic autem a-
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            ptetur embolus KL, qui ſacile in ipſum ingredi poſſit, & </s>
            <s xml:id="echoid-s1958" xml:space="preserve">ipſi conjuncta
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            ſit regula MN appoſita alteri regulæ NX, quæ circa axem PR </s>
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