Vitruvius Pollio, I dieci libri dell?architettura, 1567

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                <p type="main">
                  <s id="s.002696">
                    <pb pagenum="130" xlink:href="045/01/138.jpg"/>
                    <emph type="italics"/>
                  ſa eſſer deono le colonne, & conſeguentemente minori, & piu baſſe. </s>
                  <s id="s.002697">& però i Tempij Areoſtili
                    <lb/>
                  ſono humili, depreſſi, & baſſi.
                    <emph.end type="italics"/>
                  </s>
                </p>
                <p type="main">
                  <s id="s.002698">Hora egli ſi deue rendere la ragione della bella, & elegante maniera Euſtilos nomina­
                    <lb/>
                  ta, laquale, & all'uſo & alla bellezza, & alla fermezza tiene eſpedite le ſue ragioni, per­
                    <lb/>
                  cioche ſi deono fare gli intercolunnii della groſſezza di due colonne, & un quarto, ma lo
                    <lb/>
                  ſpacio di mezo tanto a fronte, quanto di dietro, ſi deue fare di tre groſſezze, perche a que
                    <lb/>
                  ſto modo haucrà & lo aſpetto della figura gratioſo, & l'uſo della entrata ſenza impedimen
                    <lb/>
                  to; & il paſſeggiar d'intorno la cella ampiezza. </s>
                </p>
                <p type="main">
                  <s id="s.002699">
                    <emph type="italics"/>
                  Il riſtretto intercolunnio impediua il caminare, l'entrare, & l'aſpetto: però le due maniere di
                    <lb/>
                  prima erano uitioſe. </s>
                  <s id="s.002700">Il piu largo, & libero portaua pericolo de gli Architraui. </s>
                  <s id="s.002701">Adunque il
                    <lb/>
                  giuſto, & ſcielto tra'l piu, & il meno, che ſono eſtremi uitioſi, nel mezo come uirtuoſo ſi deue
                    <lb/>
                  ridurre. </s>
                  <s id="s.002702">Se adunque uno & mezo, & due è poco, & tre è di piu, reſta, che due & un quarto ſia
                    <lb/>
                  conueniente. </s>
                  <s id="s.002703">Ma perche non è coſi due & mezo, come due & un quarto? </s>
                  <s id="s.002704">Riſpondo, che que­
                    <lb/>
                  ſto farà la giuſta miſura del compartimento, quando ſi uorrà fare lo ſpacio dello intercolunnio
                    <lb/>
                  di mezo, maggiore, che gli intercolunnij eſtremi. </s>
                  <s id="s.002705">oltra che ſe noi cauamo da una proportione
                    <lb/>
                  ſottoſeſquialtera una ſottoſeſquiquinta, ne naſcerà una ſottoſeſquiottaua. </s>
                  <s id="s.002706">ecco. </s>
                  <s id="s.002707">uno & mezo
                    <lb/>
                  ſono ſei quarti, due ſono otto quarti, due & mezo dieci quarti, tre dodici quarti. </s>
                  <s id="s.002708">ſei ad otto ſono
                    <lb/>
                  in proportione ſottoſeſquialtera, dieci a dodici in proportione ſottoſeſquiquinta. </s>
                  <s id="s.002709">dirai adunque, ſei
                    <lb/>
                  uia dodici, fanno ſettantadue: otto uia dieci ottanta. </s>
                  <s id="s.002710">tra ſettanta due, & ottanta cade proportio­
                    <lb/>
                  ne ſottoſeſquiottaua. </s>
                  <s id="s.002711">il noue adunque è piu proportionato al ſei, & al dodici, che al dieci, adun­
                    <lb/>
                  que noue quarti ſaranno i uani della bella maniera. </s>
                  <s id="s.002712">Hor uediamone la proua.
                    <emph.end type="italics"/>
                  </s>
                </p>
                <p type="main">
                  <s id="s.002713">Se la facciata doue ſi deue fare il Tempio ſarà per farlo di quattro colonne, partiſcaſi
                    <lb/>
                  in parti undici, & meza, laſciando fuori da i lati i margini, & gli ſporti de i baſamenti. </s>
                  <s id="s.002714">
                    <lb/>
                  Se deue eſſer di ſei colonne, ſi partirà in diciotto: ſe di otto, in uentiquattro, & meza. </s>
                  <s id="s.002715">
                    <lb/>
                  Di queſte parti, ſia il Tempio di quattro, o di ſei, o di otto colonne in fronte, ne piglie­
                    <lb/>
                  rai una, & quella farà il modulo. </s>
                  <s id="s.002716">La groſſezza delle colonne ſarà d'un modulo, & ogni
                    <lb/>
                  intercolunnio, eccetto quello di mezo, ſia di due moduli, & d'un quarto. </s>
                  <s id="s.002717">L'intercolun­
                    <lb/>
                  nio di mezo, sì dinanzi, come di dietro, ſia di tre moduli: l'altezza delle colonne ſia di
                    <lb/>
                  otto moduli, & mezo. </s>
                  <s id="s.002718">& a queſto modo per quella diuiſione gli ſpacij, che ſono tra le
                    <lb/>
                  colonne & le altezze delle colonne haueranno la giuſta ragione. </s>
                  <s id="s.002719">Noi di queſto non
                    <lb/>
                  hauemo eſſempio in Roma, ma nell'Aſia in Theo è il Tempio del padre Baccho di ot­
                    <lb/>
                  to colonne in fronte. </s>
                </p>
                <p type="main">
                  <s id="s.002720">
                    <emph type="italics"/>
                  Vitruuio ci rende conto della bella maniera detta Euſtilos, la quale è quando i uani tra le co­
                    <lb/>
                  lonne ſono di due teſte, & un quarto, & il uano di mezo è di tre. </s>
                  <s id="s.002721">Con queſta ragione egli rego­
                    <lb/>
                  la quelle ſei forme d'aſpetto dette di ſopra, laſciando la faccia in pilaſtri, perche ella è rinchiuſa,
                    <lb/>
                  & non ha portico dinanzi. </s>
                  <s id="s.002722">Queſto ſi comprende beniſſimo dalle parole di Vitru. perche egli di­
                    <lb/>
                  moſtra ciaſcuna di quelle figure dal numero delle colonne, & però in uece di dire proſtilos, & am
                    <lb/>
                  phiprostilos, cioè facciata in colonne, o ambe le teſte in colonne, egli dice tetraſtilos, cioè quat
                    <lb/>
                  tro colonne. </s>
                  <s id="s.002723">& in uece di dire peripteros, egli dice eſaſtilos, cioè di ſei colonne. </s>
                  <s id="s.002724">& in uece di di­
                    <lb/>
                  re pſeudodipteros, o dipteros, egli dice, eſaſtilo cioè di ſei colonne in fronte. </s>
                  <s id="s.002725">Hauendo adunque di­
                    <lb/>
                  meſtrato in confuſo le maniere de gli aſpetti, hora egli uuole regolarle. </s>
                  <s id="s.002726">Et prima ſecondo la bel­
                    <lb/>
                  la maniera dello ſpatio giuſto, & ſcielto, & poi ſecondo le altre, che hanno piu ſtretti, o piu li­
                    <lb/>
                  beri interualli. </s>
                  <s id="s.002727">Regola adunque il preſtilos, & l'amphiproſtilos con una ſola regola, perche
                    <lb/>
                  l'uno aſpetto, & l'altro è di quattro colonne. </s>
                  <s id="s.002728">Piglia lo ſpatio della fronte del Tempio, & ne fa un­
                    <lb/>
                  dici parti & meza, una delle quali deue eſſer il modulo, cioè quella miſura, che è regolatrice di
                    <lb/>
                  tutte le parti dell' opera. </s>
                  <s id="s.002729">Ecco qui l'ordine, del quale detto hauemo nel primo libro, al terzo Ca­
                    <lb/>
                  po. </s>
                  <s id="s.002730">La groſſezza adunque della colonna ſarà d'un modulo, & eſſendo quattro colonne u'ande­
                    <lb/>
                  ranno quattro moduli: laſciando però gli orli, & gli ſporti delle baſe, che ſono ſopra le canto-
                    <emph.end type="italics"/>
                  </s>
                </p>
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