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
<pb o="70" file="0096" n="96" rhead="M. VITRUVII P. DE ARCHITECTURA"/>
pares. </s>
<s xml:id="echoid-s1726" xml:space="preserve">(a) Si enim ad libellam dirigetur, alveolatus oculo videbitur.
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</s>
<s xml:id="echoid-s1727" xml:space="preserve">Hoc autem uti ſcamilli ad id convenientes fiant, item in extremo libro
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ſorma et demonſtratio erit deſcripta. </s>
<s xml:id="echoid-s1728" xml:space="preserve"> His perfectis in ſuis locis ſpirae
(a) collocentur, eaeque ad ſymmetriam ſic perficiantur, uti craſſitudo cum
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plintho ſit columnae ex dimidia craſſitudine, projecturamque quam Graeci
<lb/>
ἐχφορὰυ vocitant, habeant quadrantem. </s>
<s xml:id="echoid-s1729" xml:space="preserve"> Ita tum lata et longa erit
columnae craſſitudinis unius et dimidiae. </s>
ita dividatur, ut ſuperior pars tertia parte ſit craſſitudinis columnae, reli-
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quum plintho (b) relinquatur. </s>
<s xml:id="echoid-s1731" xml:space="preserve">Dempta plintho reliquum dividatur in
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partes quatuor, fiatque ſuperior torus quartae, reliquae tres aequaliter di-
<lb/>
vidantur, et una ſit inferior torus, (c) altera pars cum ſuis quadris ſcotia
<lb/>
quam Graeci τρόχιλου dicunt. </s>
<s xml:id="echoid-s1732" xml:space="preserve"> Sin autem Ionciae erunt faciendae, ſym-
metriae earum ſic erunt conſtituendae, uti latitudo ſpirae quoquoverſus ſit
<lb/>
columnae craſſitudinis adjecta craſſitudine quarta et octava; </s>
<s xml:id="echoid-s1733" xml:space="preserve">altitudo uti
<lb/>
atticurgis, ita et ejus plinthos: </s>
<s xml:id="echoid-s1734" xml:space="preserve">(a) reliquumque praeter plinthon, quod
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erit tertia pars craſſitudinis columnae dividatur in partes ſeptem: </s>