Aristoteles, Physicorvm Aristotelis, sev, de natvrali auscultatione, libri octo

Table of handwritten notes

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              <pb o="51" file="593" n="593" rhead="LIBER II."/>
            ctè ſentiat differentias oẽs motus. </s>
            <s xml:id="echoid-s20936" xml:space="preserve">Et propter hoc in aqua
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            etiam audimus: </s>
            <s xml:id="echoid-s20937" xml:space="preserve">quia nõ ingreditur in ipſum inſitum aè
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            rem
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            nec in aurem ob obliquitates ipſius, aqua. </s>
            <s xml:id="echoid-s20938" xml:space="preserve">Quòd ſi accide-
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            rit, non audimus: </s>
            <s xml:id="echoid-s20939" xml:space="preserve">necitem, ſi ægrotauerit ipſa membrana,
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            quemadmodum etiam non uidemus, cùm ea pellis ægrotat,
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            quæ pupillam complectitur. </s>
            <s xml:id="echoid-s20940" xml:space="preserve">At enim ſignum id eſt audien-
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            di, uel non audiendi: </s>
            <s xml:id="echoid-s20941" xml:space="preserve">nam auris ſemper ſonat périnde ac
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            cornu: </s>
            <s xml:id="echoid-s20942" xml:space="preserve">ſemper enim aër inſitus, motu ſuo quodã in auribus
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            agitatur: </s>
            <s xml:id="echoid-s20943" xml:space="preserve">uerùm ipſe ſonus alienus eſt, & </s>
            <s xml:id="echoid-s20944" xml:space="preserve">non proprius. </s>
            <s xml:id="echoid-s20945" xml:space="preserve">Et
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            proptereà ueteres uacuo nos inquiunt audire ac perſonan-
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            te: </s>
            <s xml:id="echoid-s20946" xml:space="preserve">quia audimus eo quod determinatum aërem habet. </s>
            <s xml:id="echoid-s20947" xml:space="preserve">Sed
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            utrum horum duorum ſonet, utrum id quod uerberatur, an
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            id quod uerberat? </s>
            <s xml:id="echoid-s20948" xml:space="preserve">At constat utrunq; </s>
            <s xml:id="echoid-s20949" xml:space="preserve">ſonare, modo autem
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            diuerſo. </s>
            <s xml:id="echoid-s20950" xml:space="preserve">Sonus enim motio eſt eius, quod eo motu moueri
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            poteſt, quo mouentur ea, quæ reſiliunt à corporibus leuibus
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            cùm quiſpiam percutit. </s>
            <s xml:id="echoid-s20951" xml:space="preserve">Nec omne quoduis tam uerberatũ,
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            quìm uerberans, ſonum efficit, uti diximus: </s>
            <s xml:id="echoid-s20952" xml:space="preserve">non enim, ut pa
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            tet, ſonus efficitur, ſi acus feriat acum: </s>
            <s xml:id="echoid-s20953" xml:space="preserve">ſed opus eſt ut id
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            quod uerberatur, ſit planum, quo ſimul aér inde reſiliat,
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            totus´ ue concutiatur. </s>
            <s xml:id="echoid-s20954" xml:space="preserve">Atq; </s>
            <s xml:id="echoid-s20955" xml:space="preserve">differentiæ ſonorum, actu ſono
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            manifestæ fieri ſolent: </s>
            <s xml:id="echoid-s20956" xml:space="preserve">nam ut abſq; </s>
            <s xml:id="echoid-s20957" xml:space="preserve">lumine non uidentur
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            colores, ſic neq; </s>
            <s xml:id="echoid-s20958" xml:space="preserve">acutum, graueq́; </s>
            <s xml:id="echoid-s20959" xml:space="preserve">ſine ſono diſcernitur. </s>
            <s xml:id="echoid-s20960" xml:space="preserve">Hæc
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            autem à tangibilibus translatione dicuntur: </s>
            <s xml:id="echoid-s20961" xml:space="preserve">acutum nanq;
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            </s>
            <s xml:id="echoid-s20962" xml:space="preserve">multum in breui tempore ſenſum mouet: </s>
            <s xml:id="echoid-s20963" xml:space="preserve">grauè uerò, lon-
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            go in tempore parum. </s>
            <s xml:id="echoid-s20964" xml:space="preserve">Non igitur idem eſt acutum, & </s>
            <s xml:id="echoid-s20965" xml:space="preserve">ue-
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            lox, neque graue, tardumq́;</s>
            <s xml:id="echoid-s20966" xml:space="preserve">: ſed fit alterius quidem motus
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            propter uelocitatem talis, alterius autem talis ob tarditatẽ. </s>
            <s xml:id="echoid-s20967" xml:space="preserve">
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            Et ſimilia eſſe uidẽtur acuto, atq; </s>
            <s xml:id="echoid-s20968" xml:space="preserve">obtuſo, quæ ſunt in tactu
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            (nam acutũ quidë, quaſi pũgit: </s>
            <s xml:id="echoid-s20969" xml:space="preserve">obtuſum autem, quaſi pel-
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            lit) quia illud in pauco, hoc in multo tẽpore mouet. </s>
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