Heron <Alexandrinus>, Heronis Alexandrini spiritalium liber

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              <pb o="106" file="0112" n="112" rhead="JO. BAPT. ALEOTTI"/>
            lud inſeratur regula Y, quæ quantum per artem fieri licet, ita accuratiſ-
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            ſimè ſit torno tornata, ut non poſſit alia melius adaptari, ne flatus poſſit
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            exire, uti Theoremate IX Heronis dictum, ubi tractatur de ſphæra
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            concava, & </s>
            <s xml:id="echoid-s2058" xml:space="preserve">in XXVII ubi agitur de tubis quorum uſus eſt incendiis, & </s>
            <s xml:id="echoid-s2059" xml:space="preserve">
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            ſit regula de tubo uſque Y per medium perforata, & </s>
            <s xml:id="echoid-s2060" xml:space="preserve">infixus Y ſit, Tri-
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              <figure xlink:label="fig-0112-01" xlink:href="fig-0112-01a" number="89">
                <image file="0112-01" xlink:href="http://echo.mpiwg-berlin.mpg.de/zogilib?fn=/permanent/library/xxxxxxxx/figures/0112-01"/>
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            ton, per cujus corpus tranſeat tubus vacuus foramini regulæ applumba-
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            tus, & </s>
            <s xml:id="echoid-s2061" xml:space="preserve">ille pertingat uſque ad os iſtius Tritonis, & </s>
            <s xml:id="echoid-s2062" xml:space="preserve">intret in cochleam,
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            in qua adaptata ſit lingula, qualem tibiæ utriculari adaptare ſolent ruſtici,
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            poſtea in Y mediante fune appendatur vas 7 intra quod ſit tubus ſpiritalis,
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            poſtea imponatur funis duabus trochleis 2. </s>
            <s xml:id="echoid-s2063" xml:space="preserve">4. </s>
            <s xml:id="echoid-s2064" xml:space="preserve">ita ut circumvolvatur cir-
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            cum baculum VT. </s>
            <s xml:id="echoid-s2065" xml:space="preserve">ſtantem in æquilibrio in 16. </s>
            <s xml:id="echoid-s2066" xml:space="preserve">& </s>
            <s xml:id="echoid-s2067" xml:space="preserve">ad extremitatem fu-
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            nis trochleæ 2. </s>
            <s xml:id="echoid-s2068" xml:space="preserve">appendatur pondus 6. </s>
            <s xml:id="echoid-s2069" xml:space="preserve">ad alteram extremitatem ejus, </s>
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