Vitruvius, De architectura libri decem ad Caesarem Augustum, omnibus omnium editionibus longè emendatiores, collatis veteribus exemplis

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            <s xml:id="echoid-s14367" xml:space="preserve">
              <pb o="267" file="289" n="289" rhead="DE ARCHITEC. LIB. VII."/>
            non patiatur vno tenore opus inareſcere. </s>
            <s xml:id="echoid-s14368" xml:space="preserve">Etiamq́; </s>
            <s xml:id="echoid-s14369" xml:space="preserve">cauendæ ſunt in ca-
              <lb/>
            meris priſcorum diſpoſitiones, quod earum planitiæ coronarum graui
              <lb/>
            pondere impendentes, ſunt periculoſæ. </s>
            <s xml:id="echoid-s14370" xml:space="preserve">Coronarum autem aliæ ſunt pu-
              <lb/>
            ræ, aliæ cælatæ. </s>
            <s xml:id="echoid-s14371" xml:space="preserve">Conclauibus, aut vbi ignis aut plura lumina ſunt ponen-
              <lb/>
            da, puræ fieri debent, vt eæ facilius extergeantur. </s>
            <s xml:id="echoid-s14372" xml:space="preserve">Inæſtiuis & </s>
            <s xml:id="echoid-s14373" xml:space="preserve">exedris,
              <lb/>
            vbi minime fumus eſt, necfuligo poteſt nocere, ibi cælatæ ſunt faciendæ.
              <lb/>
            </s>
            <s xml:id="echoid-s14374" xml:space="preserve">Semper enim album opus, propter ſuperbiam candoris, non modo ex pro-
              <lb/>
            priis, ſed etiam ex alienis ædificiis concipit ſumum. </s>
            <s xml:id="echoid-s14375" xml:space="preserve">Coronis explicatis
              <lb/>
            parietes quàm aſperrime trulliſſentur, poſtea autem ſupra trulliſſatione
              <lb/>
            ſubareſcente deformentur directiones arenati, vti longitudines ad regu-
              <lb/>
            lam & </s>
            <s xml:id="echoid-s14376" xml:space="preserve">lineam, altitudines ad perpendiculum, anguli ad normam reſpon-
              <lb/>
            dentes exigantur. </s>
            <s xml:id="echoid-s14377" xml:space="preserve">Nanqueſic emendata tectoriorum in picturis erit ſpe-
              <lb/>
            cies. </s>
            <s xml:id="echoid-s14378" xml:space="preserve">Subareſcente iterum, ac tertio inducatur: </s>
            <s xml:id="echoid-s14379" xml:space="preserve">ita quo fundatior erit ex
              <lb/>
            arenato directura, eo firmior erit ad vetuſtatem ſoliditas tectorii. </s>
            <s xml:id="echoid-s14380" xml:space="preserve">Cum ab
              <lb/>
            arena præter trulliſſationem, non minus tribus coriis fuerit deformatum,
              <lb/>
            tuncè marmoreo grano directiones ſunt ſubigendæ, dum ita materies
              <lb/>
            temperetur, vti cum ſubigitur non hæreat ad rutrum, ſed purum ferrum
              <lb/>
            è mortario liberetur. </s>
            <s xml:id="echoid-s14381" xml:space="preserve">Grano inducto & </s>
            <s xml:id="echoid-s14382" xml:space="preserve">inareſcente, alterum corium
              <lb/>
            mediocris dirigatur: </s>
            <s xml:id="echoid-s14383" xml:space="preserve">id cum ſubactum ſuerit, & </s>
            <s xml:id="echoid-s14384" xml:space="preserve">bene fricatum, ſubtilius
              <lb/>
            inducatur. </s>
            <s xml:id="echoid-s14385" xml:space="preserve">Ita cum tribus coriis arenæ, & </s>
            <s xml:id="echoid-s14386" xml:space="preserve">item marmoris ſolidati parie-
              <lb/>
            tes fuerint, neque rimas, neque aliud vitium in ſe recipere poterunt. </s>
            <s xml:id="echoid-s14387" xml:space="preserve">Sed
              <lb/>
            & </s>
            <s xml:id="echoid-s14388" xml:space="preserve">baculorum ſubactionibus fundatæ ſoliditates, marmorisq́; </s>
            <s xml:id="echoid-s14389" xml:space="preserve">candore fir-
              <lb/>
            mo leuigatæ, coloribus cum politionibus inductis, nitidos expriment
              <lb/>
            ſplendores. </s>
            <s xml:id="echoid-s14390" xml:space="preserve">Colores autem vdo tectorio cum diligenter ſunt inducti, ideo
              <lb/>
            non remittunt, ſed ſunt perpetuo permanentes, quod calx in fornacibus
              <lb/>
            excocto liquore, & </s>
            <s xml:id="echoid-s14391" xml:space="preserve">facta raritatibus euanida ieiunitate coacta corripit in
              <lb/>
            ſe, quæ res forte eam contigerunt: </s>
            <s xml:id="echoid-s14392" xml:space="preserve">mixtionibusq́; </s>
            <s xml:id="echoid-s14393" xml:space="preserve">ex aliis poteſtatibus col-
              <lb/>
            latis ſeminibus ſeu principiis, vna ſolideſcendo in quibuſcunque mem-
              <lb/>
            bris eſt formata, cum fit arida, redigitur, vti ſui generis proprias videatur
              <lb/>
            habere qualitates. </s>
            <s xml:id="echoid-s14394" xml:space="preserve">Itaque tectoria quæ recte ſunt facta, neque vetuſtati-
              <lb/>
            bus fiunt horrida, neque cum extergentur, remittunt colores, niſi ſi pa-
              <lb/>
            rum diligenter, & </s>
            <s xml:id="echoid-s14395" xml:space="preserve">in arido fuerint inducti. </s>
            <s xml:id="echoid-s14396" xml:space="preserve">Cum ergo ita in parietibus te-
              <lb/>
            ctoria facta fuerint (vti ſuprà ſcriptum eſt) & </s>
            <s xml:id="echoid-s14397" xml:space="preserve">firmitatẽ, & </s>
            <s xml:id="echoid-s14398" xml:space="preserve">ſplendorem, & </s>
            <s xml:id="echoid-s14399" xml:space="preserve">
              <lb/>
            ad vetuſtatem permanentem virtutem poterunt habere. </s>
            <s xml:id="echoid-s14400" xml:space="preserve">Cum verò vnũ
              <lb/>
            corium arenæ, & </s>
            <s xml:id="echoid-s14401" xml:space="preserve">vnum minuti marmoris erit inductum, tenuitas eius
              <lb/>
            minus valendo faciliter rumpitur, nec ſplendorem politionibus, propter
              <lb/>
            imbecillitatem craſsitudinis, proprium obtinebit. </s>
            <s xml:id="echoid-s14402" xml:space="preserve">Quemadmodum enim
              <lb/>
            ſpeculum argenteum tenui lamella ductum, incertos & </s>
            <s xml:id="echoid-s14403" xml:space="preserve">ſine viribus ha-
              <lb/>
            bet remiſsiores ſplendores: </s>
            <s xml:id="echoid-s14404" xml:space="preserve">quod autem è ſolida temperatura ſuerit fa-
              <lb/>
            ctum, recipiens in ſe firmis viribus politionem, fulgentes in aſpectu, cer-
              <lb/>
            tasq́; </s>
            <s xml:id="echoid-s14405" xml:space="preserve">conſiderantibus imagines reddit. </s>
            <s xml:id="echoid-s14406" xml:space="preserve">Sic tectoria, quæ ex tenui </s>
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