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-div73" type="section" level="1" n="42">
          <p>
            <s xml:id="echoid-s1970" xml:space="preserve">
              <pb o="88" file="0114" n="114" rhead="M. VITRUVII P. DE ARCHITECTURA"/>
            locentur, et eae altitudinem habeant aeque, quam quae ſunt in fronte:
              <lb/>
            </s>
            <s xml:id="echoid-s1971" xml:space="preserve">craſſitudines autem earum extenuentur his rationibus, uti ſi octava parte
              <lb/>
            erunt, quae ſunt in fronte, hae ſiant novem partes; </s>
            <s xml:id="echoid-s1972" xml:space="preserve">ſin autem nona aut decima, pro rata parte ſiant. </s>
            <s xml:id="echoid-s1973" xml:space="preserve">In concluſo enim aere ſi quae extenuatae
              <lb/>
            erunt, non diſcernentur; </s>
            <s xml:id="echoid-s1974" xml:space="preserve">ſin autem videbuntur graciliores, cum exteriori-
              <lb/>
            bus fuerint ſtriae viginti quatuor, in his faciendae erunt XXVIII aut
              <lb/>
            XXXII. </s>
            <s xml:id="echoid-s1975" xml:space="preserve">Ita quod detrahitur de corpore ſcapi, ſtriarum numero adjecto
              <lb/>
            adaugebitur ratione quo minus videbitur: </s>
            <s xml:id="echoid-s1976" xml:space="preserve">et ita exaequabitur diſpari ra-
              <lb/>
            tione columnarum craſſitudo. </s>
            <s xml:id="echoid-s1977" xml:space="preserve">Hoc autem efficit ea ratio, quod oculus
              <lb/>
            plura et crebriora ſigna tangendo majore viſus circuitione pervagatur.
              <lb/>
            </s>
            <s xml:id="echoid-s1978" xml:space="preserve">Namque ſi duae columnae aeque craſſae lineis circummetientur, e quibus
              <lb/>
            una ſit non ſtriata et altera ſtriata: </s>
            <s xml:id="echoid-s1979" xml:space="preserve">et circa ſtrigium cava et angulos ſtri-
              <lb/>
            arum linea corpora tangat, tametſi columnae aeque craſſae fuerint, lineae
              <lb/>
            quae circumdatae erunt, non erunt aequales; </s>
            <s xml:id="echoid-s1980" xml:space="preserve">quod ſtriarum et ſtrigium
              <lb/>
            circuitus majorem eſſiciet lineae longitudinem. </s>
            <s xml:id="echoid-s1981" xml:space="preserve">Sin autem hoc ita vide-
              <lb/>
            bitur, non eſt alienum in anguſtis locis et in concluſo ſpatio graciliores
              <lb/>
            columnarum ſymmetrias in opere conſtituere, cum habeamus adjutricem
              <lb/>
            ſtriarum temperaturam. </s>
            <s xml:id="echoid-s1982" xml:space="preserve">Ipſius autem cellae parietum craſſitudinem pro
              <lb/>
            rata parte magnitudinis ſieri oportet, dum antae eorum craſſitudinibus
              <lb/>
            columnarum ſint aequales, et ſi exſtructi ſuturi ſint, quam minutiſſimis
              <lb/>
            caementis recte ſtruantur. </s>
            <s xml:id="echoid-s1983" xml:space="preserve">Sin autem quadrato ſaxo aut marmore maxi-
              <lb/>
            me modicis paribusque videtur eſſe ſaciendum, quod media coagmenta
              <lb/>
            medii lapides continentes ſirmiorem facient omnis operis perſectionem. </s>
            <s xml:id="echoid-s1984" xml:space="preserve">
              <lb/>
            Item circum coagmenta et cubilia eminentes expreſſiones graphicoteram
              <lb/>
            efficient in aſpectu delectationem.</s>
            <s xml:id="echoid-s1985" xml:space="preserve"/>
          </p>
          <note symbol="2)" position="foot" xml:space="preserve">Cod. ms. et Ed. Sulp. decem.</note>
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