Vitruvius Pollio, I dieci libri dell?architettura, 1567

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    <archimedes>
      <text>
        <body>
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                <pb pagenum="343" xlink:href="045/01/357.jpg"/>
                <p type="head">
                  <s id="s.006366">
                    <emph type="italics"/>
                  A quanti modi ſi conduchino le acque. </s>
                  <s id="s.006367">Cap. VII.
                    <emph.end type="italics"/>
                  </s>
                </p>
                <figure id="id.045.01.357.1.jpg" xlink:href="045/01/357/1.jpg" number="106"/>
                <p type="main">
                  <s id="s.006368">Atre modi ſi conduce l'acqua, prima con
                    <lb/>
                  riui per canali fatti, dipoi con trombe di
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                  piombo, ouero con canne di terra, o cre­
                    <lb/>
                  ta. </s>
                  <s id="s.006369">Se noi uſeremo i canali, neceſſario è fa
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                  re la muratura ſodiſsima, & il letto del riuo habbia il
                    <lb/>
                  ſuo liuello alto niente manco di mezo piede in cento,
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                  & queſte murature ſiano fatte a uolte, accioche il Sole
                    <lb/>
                  non tocchi l'acqua, la quale poi che ſarà condotta alla
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                  città, facciaſi un caſtello, o conſerua dell'acque, al
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                  quale congiunte ſiano per trarne l'acque tre bocche,
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                  & nel caſtello ſiano tre canne equalmente partite con­
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                  giunte a quelle pile, o gorne, accioche quando l'ac­
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                  que traboccheranno da gli eſtremi ricettaculi ridondi­
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                  no in quello di mezo, & coſi nel mezo ſi poneranno le
                    <lb/>
                  canne in tutte le pile con le loro bocche, dall'altra ſi
                    <lb/>
                  manderanno alli bagni, accioche diano la entrata ſua
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                  al popolo ogni tanti anni, & finalmente dalla terra nel
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                  le caſe de priuati coſi, che non manchi nel publico,
                    <lb/>
                  percioche non potranno riuoltarle altroue, quando da
                    <lb/>
                  i loro capi haueranno i proprij condutti, & queſte ſon
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                  le cauſe, per le quali io ho fatto queſta diuiſione, cioè
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                  perche quelli, che priuatamente tireranno le acque
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                  nelle ſue caſe difendano i condotti dell'acque per mezo
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                  de i publicani col pagarli le rendite. </s>
                  <s id="s.006370">Ma ſe tra la città,
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                  & il capo della fonte ſaranno di mezo le montagne a
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                  queſto modo ſi deue liuellare: Cauinſi ſotto terra i luo
                    <lb/>
                  ghi doue hanno a paſſare le acque, & ſiano liuellate alla
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                  cima, ſecondo che di ſopra s'è ſcritto: & ſe iui ſarà to­
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                  fo, o ſaſſo, tagliſi nel ſuo propio canale, ma ſe il ſuolo
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                  ſarà di terra, ouero arenoſo, faccianſi le bande con i
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                  ſuoi uolti ne i luoghi cauati: & coſi ſia l'acqua condot­
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                  ta, & i pozzi ſiano talmente fatti, che ſtiano tra due
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                  Atti. </s>
                  <s id="s.006371">Ma ſe con le canne di piombo l'acqua ſarà con­
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                  dotta, prima farai al capo di eſſa un caſtello, o conſer­
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                  ua d'acqua, dapoi ſecondo la quantità dell'acqua farai
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                  le lame delle canne, & queſte ſiano poſte dal primo ca­
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                  ſtello a quello, che è preſſo la città, nè ſiano le canne
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                  fuſe piu lunghe di x. piedi. </s>
                  <s id="s.006372">queſte lamette ſe ſaranno di
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                  cento dita per larghezza prima, che ſiano ritondate ſia
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                  ciaſcuna di peſo di libre mille dugento: & ſe ſaranno di
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                  ottanta dita, di nouecento ſeſſanta: ſe di cinquanta, ſia
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                  no di ſeicento libre; ſe di quaranta, ſiano di quattro­
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                  cento ottanta; ſe di trenta, ſiano di trecento ſeſſanta:
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                  ſe di uenti, ſiano di dugento quaranta; ſe di quindici, ſiano di cento ſeſſanta; ſe di dieci
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                  ſiano di cento uenti: ſe di otto, ſiano di nouantaſei; ſe di cinque ſiano di ſeſſanta, perche </s>
                </p>
              </subchap2>
            </subchap1>
          </chap>
        </body>
      </text>
    </archimedes>
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