Vitruvius Pollio, I dieci libri dell?architettura, 1567

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                <p type="main">
                  <s id="s.005855">
                    <pb pagenum="313" xlink:href="045/01/327.jpg"/>
                    <figure id="id.045.01.327.1.jpg" xlink:href="045/01/327/1.jpg" number="104"/>
                    <lb/>
                    <emph type="italics"/>
                  gli antichi alcune croſte fatte di arena, & di
                    <lb/>
                  calce, & minute teſtole, nellequali ui andaua
                    <lb/>
                  la quarta parte di Teuertino piſto: uſauano an­
                    <lb/>
                  che alcuni quadrelli groſſi un dito, larghi due,
                    <lb/>
                  lunghi altrettanto, che ſtauano in taglio, aſſi­
                    <lb/>
                  migliando le ſpiche. </s>
                  <s id="s.005856">queſte polite figure, & lu­
                    <lb/>
                  ſire erano ſi, che non ſi uedeuano le commiſſu­
                    <lb/>
                  re, nè una minima pietra, che uſciſſe de i termi­
                    <lb/>
                  ni: però erano mirabilmente piane, & diſteſe,
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                  & ſpecialmente uaghe. </s>
                  <s id="s.005857">coſi eſpongono gli altri:
                    <lb/>
                  ma io dico che uanno altramente. </s>
                  <s id="s.005858">queſie erano
                    <lb/>
                  nel pauimento poſte, accioche l'acqua, & l'hu­
                    <lb/>
                  midità non paſſaſſe alla trauatura, erano piane,
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                  & ſopra queſte era una mirabil croſta di mar­
                    <lb/>
                  mo peſto d'arena, & di calce, che Vitr. chiama Lorica aſſai ben groſſa, laquale copriua quel la­
                    <lb/>
                  uoro fatto a ſpiche, come ſi uede nelle ruine antiche, & quel lauoro a ſpiche non è come pone il
                    <lb/>
                  Filandro, ma come è per la proſſima figura dimoſtrato, ſecondo l'eſſempio tolto dallo antico, &
                    <lb/>
                  erano della grandezza di queſto quadro che contiene la figura, & groſſe un'oncia: & queſte coſe
                    <lb/>
                  ſi uſauano al coperto. </s>
                  <s id="s.005859">Maſotto l'aere ui biſognaua altra manifattura, eſſendoui maggior pe­
                    <lb/>
                  ricolo per li ghiacci, per la humidità, & per l'ardore: però biſogna fare due mani di tauolati
                    <lb/>
                  uno attrauerſo dell'altro, che ſiano ben inchiodati inſieme, dipoi col terrazzo nuouo biſogna me­
                    <lb/>
                  ſcolar due parti di teſtola piſta, & due parti di calce a cinque riſpondino nella meſcolanza, che ſi
                    <lb/>
                  fa col detto terrazzo. </s>
                  <s id="s.005860">Fatto il letto di ſotto indur ui biſogna la ſeconda croſta alta un piede, ſo­
                    <lb/>
                  pra laquale ui ua l'anima, ſopra l'anima il pauimento come è ſtato detto, che nel mezo ſia gonfio,
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                  & colmo ſi, che in dieci piedi habbia due dita di colmo: ilqual pauimento ſia fatto, di quadri groſ­
                    <lb/>
                  ſi due dita, con queſta manifattura noi potemo aſſicurarci dal danno delle pioggie, & de i ghiacci. </s>
                  <s id="s.005861">
                    <lb/>
                  Ma per le politure, & ſpianamenti egli ſi piglia un pezzo di piombo, o di ſelice, di molto peſo
                    <lb/>
                  ſpianato, & quello con funi tirato ſu, & giu, di qua, & di la ſopra il pauimento ſpargendoui ſem
                    <lb/>
                  pre della arena aſpera, & dell'acqua iſpiana il tutto: & ſe gli anguli, & le linee del ſelicato non
                    <lb/>
                  ſono conformi, queſto non ſi puo far commodamente: & ſe'l pauimento, è con oglio di lino frega­
                    <lb/>
                  to rende un luſtro, come ſe fuſſe di uetro. </s>
                  <s id="s.005862">Similmente ſarà buono ſpargerui della Amurca, o
                    <lb/>
                  gettarui piu uolte ſopra dell'acqua, nellaquale ſia ſtata eſtinta la calce: & ſe uuoi acconciare un
                    <lb/>
                  terrazzo rotto prendi una parte di tegole piſte, & due di bolo armeno, & incorpora con raſa
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                  preſſo al fuoco, & ſcaldato che harai il terrazzo, gettaui ſopra queſta materia, & poi con un
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                  ferro caldo ſtendila gentilmente. </s>
                  <s id="s.005863">Et coſi farai ancho ſe col marmo poluerizato meſcolerai cal­
                    <lb/>
                  cina bianca cruda in acqua bogliente, & laſciata ſeccare. </s>
                  <s id="s.005864">Fatto queſto tre, o quattro fiate impa­
                    <lb/>
                  ſterai con latte, & con quel colore, che ti piacerà di dare. </s>
                  <s id="s.005865">& ſe uoleſſi far parere l'opera di mu­
                    <lb/>
                  ſaico, poni la detta materia nelle forme, dandoli quel color che ti piace, ma poi dalli l'oglio cal­
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                  do, ouero impaſta con colla di cacio il marmo tamigiato, pur che la colla ſia ſtemprata con chia­
                    <lb/>
                  ra d'uuoua ben battuta, poi ui metti la calce, & impaſta.
                    <emph.end type="italics"/>
                  </s>
                </p>
              </subchap2>
              <subchap2>
                <p type="head">
                  <s id="s.005866">
                    <emph type="italics"/>
                  Di macer ar la calce per biancheggiare, & coprirei
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                  pareti. </s>
                  <s id="s.005867">Cap. II.
                    <emph.end type="italics"/>
                  </s>
                </p>
                <p type="main">
                  <s id="s.005868">Qvando dal penſiero di far i pauimenti ci ſaremo partiti, allhora biſogna dichia
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                  rire il modo di biancheggiare, & polire le opere; & queſto è per ſucceder be­
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                  ne, quando molto tempo inanzi il biſogno i pezzi di buoniſsima calce, & le
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                  ſcheggie ſaranno nell'acqua mollificate, & macerate, accioche ſe alcuna ſcheg </s>
                </p>
              </subchap2>
            </subchap1>
          </chap>
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