Vitruvius, Marci Vitruvii Pollionis De architectura libri decem : ope codicis Guelferbytani, editionis principis, ceterorumque subsidiorum recensuit, et glossario in quo vocabula artis propria Germ. Ital. Gall. et Angl. explicantur, 1800

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            <s xml:id="echoid-s2191" xml:space="preserve">
              <pb o="104" file="0130" n="130" rhead="M. VITRUVII P. DE ARCHITECTURA"/>
            electus ſuerit, ubi impediatur reſonantia. </s>
            <s xml:id="echoid-s2192" xml:space="preserve">Vox autem eſt ſpiritus ſluens, et aeris ictu ſenſibilis auditui. </s>
            <s xml:id="echoid-s2193" xml:space="preserve">Ea movetur circulorum rotun- dationibus infinitis: </s>
            <s xml:id="echoid-s2194" xml:space="preserve">uti ſi in ſtantem aquam lapide immiſſo naſcantur in-
              <lb/>
            numerabiles undarum circuli creſcentes a centro, et quam latiſſime poſ-
              <lb/>
            ſint vagantes, niſi anguſtia loci interpellaverit, aut aliqua offenſio, quae
              <lb/>
            non patitur deſignationes earum undarum ad exitus pervenire. </s>
            <s xml:id="echoid-s2195" xml:space="preserve">Itaque
              <lb/>
            cum interpellentur offenſionibus, primae redundantes inſequentium diſ-
              <lb/>
            turbant deſignationes. </s>
            <s xml:id="echoid-s2196" xml:space="preserve">Eadem ratione vox ita ad circinum efficit motio-
              <lb/>
            nes. </s>
            <s xml:id="echoid-s2197" xml:space="preserve">Sed in aqua circuli aequa planitie in latitudinem moventur; </s>
            <s xml:id="echoid-s2198" xml:space="preserve">vox et
              <lb/>
            in latitudinem progreditur, et altitudinem gradatim ſcandit. </s>
            <s xml:id="echoid-s2199" xml:space="preserve">Igitur ut
              <lb/>
            in aqua undarum deſignationibus, ita in voce cum offenſio nulla primam
              <lb/>
            undam interpellaverit, non diſturbat ſecundam, nec inſequentes, ſed omnes ſine reſonantia perveniunt ad imorum et ſummorum aures. </s>
            <s xml:id="echoid-s2200" xml:space="preserve">Ergo
              <lb/>
            veteres architecti, naturae veſtigia perſecuti indagationibus vocis, ſcanden-
              <lb/>
            tes theatrorum perfecerunt gradationes, et quaeſiverunt per canonicam
              <lb/>
            mathematicorum et muſicam rationem, ut quaecunque vox eſſet in ſcena,
              <lb/>
            clarior et ſuavior ad ſpectatorum perveniret aures. </s>
            <s xml:id="echoid-s2201" xml:space="preserve">Uti enim organa in
              <lb/>
            aeneis laminis aut corneis, dieſi, ad chordarum ſonituum claritatem perſi-
              <lb/>
            ciuntur: </s>
            <s xml:id="echoid-s2202" xml:space="preserve">ſic theatrorum per harmonicen ad augendam vocem ratiocina-
              <lb/>
            tiones ab antiquis ſunt conſtitutae.</s>
            <s xml:id="echoid-s2203" xml:space="preserve"/>
          </p>
          <note symbol="2)" position="foot" xml:space="preserve">Cod. ms. Ed. Sulp. et vulgatae legunt: non impediatur. mihi vero negatio expungen-
            <lb/>
          da viſa eſt.</note>
          <note symbol="3)" position="foot" xml:space="preserve">Cod. ms. ut.</note>
          <note symbol="4)" position="foot" xml:space="preserve">Cod. ms. actu.</note>
          <note symbol="5)" position="foot" xml:space="preserve">Sic Cod. ms. et Ed. Sulp.</note>
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