Vitruvius Pollio, I dieci libri dell?architettura, 1567

Table of figures

< >
< >
page |< < of 520 > >|
    <archimedes>
      <text>
        <body>
          <chap>
            <subchap1>
              <subchap2>
                <p type="main">
                  <s id="s.006006">
                    <pb pagenum="323" xlink:href="045/01/337.jpg"/>
                    <emph type="italics"/>
                  & in gran copia. </s>
                  <s id="s.006007">Sil attico, era un minerale di colore come alcuni uogliono dell'Ochrea, & non
                    <lb/>
                  fanno anche differenza tra Ochrea & Sile, ma io ſtimo, che Ochrea ſi a nome generale, & Sile
                    <lb/>
                  ſpeciale, però puo eſſer, che'l Sile fuſſe di una ſpecie di Ochrea; ma di colore alquanto diuerſo, ò
                    <lb/>
                  che pendeſſe all'azurro, o al purpureo, & uiolino. </s>
                  <s id="s.006008">Rubrica, & Sinope ſono terre roſſe, noi
                    <lb/>
                  chiamiamo la rubrica imbuoro, & in altri luoghi buoro, & queſte terre roſſe erano in que luo­
                    <lb/>
                  ghi doue dice Vitr. buone, & perfette. </s>
                  <s id="s.006009">Il paretonio, & melino eran colori, quello bianco, &
                    <lb/>
                  queſto giallo, la cagione perche coſi ſono chiamati è poſta da Vit. </s>
                  <s id="s.006010">La creta uerde, noi chiamia­
                    <lb/>
                  mo terra uerde. </s>
                  <s id="s.006011">La ſandaraca è di colore di aranzo, noi chiamiamo minio fatto di biacca abbru
                    <lb/>
                  ſciata, ma la ſandaraca era naſcente, & anche fatta ad arte come dirà Vitr. qui ſotto.
                    <emph.end type="italics"/>
                  </s>
                </p>
              </subchap2>
              <subchap2>
                <p type="head">
                  <s id="s.006012">
                    <emph type="italics"/>
                  Delle ragioni del minio. </s>
                  <s id="s.006013">Cap. VIII.
                    <emph.end type="italics"/>
                  </s>
                </p>
                <p type="main">
                  <s id="s.006014">Hora io entrerò ad eſplicare le ragioni del Minio. </s>
                  <s id="s.006015">Queſto prima ſi dice eſſere
                    <lb/>
                  ſtato ritrouato ne i campi Cilbiani de gli Efeſij: il cui effetto, & la cui ragio­
                    <lb/>
                  ne ne dà cauſa di gran merauiglia. </s>
                  <s id="s.006016">Cauaſi una Zoppa, detta Antrax, prima che
                    <lb/>
                  per lo maneggiar ella diuenti Minio: la uena è di colore come ferro alquanto
                    <lb/>
                  piu roſſo, hauendo intorno a ſe una poluere roſſa. </s>
                  <s id="s.006017">Quando ſi caua, per le percoſſe dei
                    <lb/>
                  ferri manda fuori le lagrime d'argento uiuo, le quali ſubito da quelli, che cauano ſono
                    <lb/>
                  raccolte. </s>
                  <s id="s.006018">Queſte zoppe aſſunate per la pienezza dell'humore, che hanno dentro ſi pon­
                    <lb/>
                  gono nelle fornaci delle officine, accioche ſi ſecchino, & quel fumo, che dal uapore del
                    <lb/>
                  fuoco ſi leua da quelle zoppe, quando ricade nel ſuolo del forno, è trouato eſſer argento
                    <lb/>
                  uiuo. </s>
                  <s id="s.006019">Leuate uia le zoppe, quelle gocciole, che reſtano per la picciolezza loro non ſi
                    <lb/>
                  poſſono raccorre, ma in un uaſo di acqua ſi fan correre, & iui ſi raunano, & ſi confonde­
                    <lb/>
                  no inſieme; & queſte eſſendo di miſura di quattro ſeſtari, quando ſi peſano, ſi trouano eſ
                    <lb/>
                  ſer cento libre: ma quando è inſieme tutto quello argento in un uaſo, ſe ſopra ui ſi po=
                    <lb/>
                  nerà un peſo di cento, egli ſtarà di ſopra, nè potrà col ſuo peſo premere quel liquore, nè
                    <lb/>
                  ſcacciarlo, nè diſsiparlo. </s>
                  <s id="s.006020">leuato il centenàio; ſe iui ſi ponerà uno ſcrupulo d'oro, non ſo
                    <lb/>
                  pranuoterà, ma ſe ne anderà al fondo da ſe ſteſſo. </s>
                  <s id="s.006021">coſi non per la grandezza del peſo, ma
                    <lb/>
                  per la qualità ſua ciaſcuna coſa eſſer coſi graue non ſi deue negare. </s>
                  <s id="s.006022">Et queſto è utile a mol
                    <lb/>
                  te coſe, perche nè lo argento, nè il rame ſenza quello ſi puo dorare, che bene ſtia, &
                    <lb/>
                  quando l'oro è conteſto in qualche ueſte, che conſumata per la uecchiezza, non ſi poſſa
                    <lb/>
                  piu portare con honeſtà, pongaſi quel panno d'oro in uaſi di terra, & ſia nel foco abbru­
                    <lb/>
                  ſciato. </s>
                  <s id="s.006023">La cenere ſi getta nell'acqua, alla quale ſi aggiugne l'argento uiuo, il quale a ſe
                    <lb/>
                  tira tutte le miche dell'oro, & le sforza ad unirſi ſeco: uotata poi l'acqua, queſto s'in­
                    <lb/>
                  fonde, & riuerſcia in un panno, & in quello è con le mani ſtruccato, l'argento eſce per
                    <lb/>
                  le rarità del panno con il liquore, & l'oro per la ſtrettezza, & compreſsione raunato di
                    <lb/>
                  dentro puro ſi ritroua. </s>
                </p>
              </subchap2>
              <subchap2>
                <p type="head">
                  <s id="s.006024">
                    <emph type="italics"/>
                  Della temperatura del Minio. </s>
                  <s id="s.006025">Cap. IX.
                    <emph.end type="italics"/>
                  </s>
                </p>
                <p type="main">
                  <s id="s.006026">IO ritornerò hora alla temperatura del Minio, perche quelle zoppe eſſendo
                    <lb/>
                  aride ſi piſtano con piſtelli di ferro, & ſi macinano, & con ſpeſſe lauature, &
                    <lb/>
                  cotture ſi le fanno uenir i colori. </s>
                  <s id="s.006027">Quando adunque ſaranno mandate fuori
                    <lb/>
                  le goccie dello argento uiuo, allhora ſi fa il Minio di natura tenera, & di for
                    <lb/>
                  za debile, & per hauer laſciato l'argento uiuo, laſcia anche le uirtù naturali, che egli in ſe
                    <lb/>
                  teneua. </s>
                  <s id="s.006028">Et però quando è dato nelle politure de i conclaui reſta nel ſuo colore ſenza di­</s>
                </p>
              </subchap2>
            </subchap1>
          </chap>
        </body>
      </text>
    </archimedes>
Impressum