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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        <div xml:id="echoid-div112" type="section" level="1" n="62">
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            <s xml:id="echoid-s2627" xml:space="preserve">
              <pb o="135" file="0159" n="159" rhead="LIBER VI. CAPUT II."/>
            matum, in aſpectuque nihil deſideretur. </s>
            <s xml:id="echoid-s2628" xml:space="preserve">Alia enim ad manum ſpe- cies eſſe videtur, alia in excelſo; </s>
            <s xml:id="echoid-s2629" xml:space="preserve">non eadem in concluſo, diſſimilis in
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            aperto: </s>
            <s xml:id="echoid-s2630" xml:space="preserve">in quibus magni judicii eſt opera quid tandem faciendum ſit.
              <lb/>
            </s>
            <s xml:id="echoid-s2631" xml:space="preserve">Non enim veros videtur habere viſus effectus, ſed fallitur ſaepe ab ejus
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            judicio mens. </s>
            <s xml:id="echoid-s2632" xml:space="preserve">Quemadmodum etiam in ſcenis pictis videntur columna-
              <lb/>
            rum projecturae, mutulorum ecphorae, ſignorum ſigurae, prominentes, cum
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            ſit tabula ſine dubio ad regulam plana. </s>
            <s xml:id="echoid-s2633" xml:space="preserve">Similiter in navibus remi, cum
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            ſint ſub aqua directi, lamen oculis infracti videntur, et quatenus eorum
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            partes tangunt ſummam planitiem liquoris apparent (uti ſunt) directi; </s>
            <s xml:id="echoid-s2634" xml:space="preserve">
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            cum vero ſub aqua ſunt demiſſi, per naturae perlucidam raritatem, re-
              <lb/>
            mittunt enatantes ab ſuis corporibus ſluentes imagines ad ſummam aquae
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            planitiem atque hae ibi commotae efficere videntur infractum remorum
              <lb/>
            oculis aſpectum. </s>
            <s xml:id="echoid-s2635" xml:space="preserve">Hoc autem, ſive ſimulacrorum impulſu, ſeu radiorum
              <lb/>
            ex oculis effuſionibus (uti phyſicis placet) videamus utraque ratione, vi-
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            detur ita eſſe, uti falſa judicia oculorum habeat aſpectus. </s>
            <s xml:id="echoid-s2636" xml:space="preserve">Cum ergo
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            quae ſunt vera falſa videantur, et nonnulla aliter quam ſunt oculis pro-
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            bentur, non puto oportere eſſe dubium, quin ad locorum naturas aut ne-
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            ceſſitates, detractiones, aut adjectiones fieri debeant; </s>
            <s xml:id="echoid-s2637" xml:space="preserve">ſed ita ut nihil in
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            his operibus deſideretur. </s>
            <s xml:id="echoid-s2638" xml:space="preserve">Haec autem etiam ingeniorum acuminibus, non
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            ſolum doctrinis eſſiciuntur. </s>
            <s xml:id="echoid-s2639" xml:space="preserve">Igitur ſtatuenda eſt primum ratio ſymme-
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            triarum, a qua ſumatur ſine dubitatione commutatio. </s>
            <s xml:id="echoid-s2640" xml:space="preserve">Deinde explicetur
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            operis futuri et locorum imum ſpatium longitudinis et latitudinis, cujus
              <lb/>
            cum ſemel fuerit conſtituta magnitudo, ſequatur eam proportionis ad de-
              <lb/>
            corem apparatio, uti non ſit conſiderantibus aſpectus eurythmiae dubius,
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            de qua quibus rationibus efficiatur, eſt mihi pronunciandum. </s>
            <s xml:id="echoid-s2641" xml:space="preserve">Primumque
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            de cavis aedium uti fieri debeant, dicam.</s>
            <s xml:id="echoid-s2642" xml:space="preserve"/>
          </p>
          <note symbol="2)" position="foot" xml:space="preserve">Sic Cod. ms. et E. S. Al. ſic ut in aſpectu.</note>
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