Vitruvius, I Dieci Libri dell' Architettvra di M. Vitrvvio, 1556

Table of Notes

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          <pb o="199" file="0209" n="218" rhead="OTTAVO."/>
          <figure number="101">
            <description xml:id="echoid-description94" xml:space="preserve">B il Capo della Fonte.
              <lb/>
            B c la prima Mira
              <lb/>
            C d la ſeconda mira drieto al
              <lb/>
            monte
              <lb/>
            D e la terza doue non ſi può con
              <lb/>
            durre
              <lb/>
            D f. la quarta doue ſi può con-
              <lb/>
            durre
              <lb/>
            H g f. la condutta dell’acqua.</description>
            <variables xml:id="echoid-variables33" xml:space="preserve">e d f c g b H</variables>
          </figure>
          <figure number="102">
            <caption xml:id="echoid-caption3" xml:space="preserve">COROBATE DA LIVELLAR LE ACQVE E I PIANI.</caption>
            <description xml:id="echoid-description95" xml:space="preserve">1 Regola di piedi 20.
              <lb/>
            2 gli Anconi ò Braccia.
              <lb/>
            3 Trauerſarij.</description>
            <variables xml:id="echoid-variables34" xml:space="preserve">2 1 3 2</variables>
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        <div xml:id="echoid-div585" type="section" level="1" n="103">
          <head xml:id="echoid-head103" xml:space="preserve">CAP. VII. A QVANTI MODI SI CON-
            <lb/>
          DVCHINO LE ACQVE.</head>
          <p>
            <s xml:id="echoid-s17039" xml:space="preserve">ATRE modi ſi conduce l’acqua, prima con riui per canali fatti, dipoicon trombe di piombo, ouero
              <lb/>
            con canne di terra, ò creta. </s>
            <s xml:id="echoid-s17040" xml:space="preserve">Se noi uſeremo i canali, neceſſario è fare la muratura ſodisſima, & </s>
            <s xml:id="echoid-s17041" xml:space="preserve">il let
              <lb/>
            to del riuo habbia il ſuo liuello alto niente manco di mezzo piede in cento, & </s>
            <s xml:id="echoid-s17042" xml:space="preserve">queſte murature ſia-
              <lb/>
              <note position="left" xlink:label="note-0209-01" xlink:href="note-0209-01a" xml:space="preserve">40</note>
            no fatte à uolte, accioche il Sole non tocchi l’acqua, laquale poi che ſarà condotta alla città, facciaſi
              <lb/>
            un caſtello, ò conſerua dell’acque, alquale congiunte ſiano per trarne l’acque tre bocche, & </s>
            <s xml:id="echoid-s17043" xml:space="preserve">nel ca-
              <lb/>
            ſtello ſiano tre canne equalmẽte partite congiunte à quelle pile, ò gorne, accioche quando l’acque
              <lb/>
            traboccherãno da gli eſtremi ricettaculi ridõdino in quello di mezzo, & </s>
            <s xml:id="echoid-s17044" xml:space="preserve">coſi nel mezzo ſi ponerãno le canne in tut-
              <lb/>
            te le pile con le loro bocche, dall’altra ſi manderanno alli bagni, accioche diano la entrata ſua al popolo ogni tanti an
              <lb/>
            ni, & </s>
            <s xml:id="echoid-s17045" xml:space="preserve">finalmente dalla terra nelle caſe de priuati coſi, che non manchi nel publico, percioche non potranno riuoltar-
              <lb/>
            le altroue, quando da i loro capi haueranno i propij condutti, & </s>
            <s xml:id="echoid-s17046" xml:space="preserve">queſte ſon le cauſe, per lequali io ho fatto queſta di-
              <lb/>
            uiſione, cioè perche quelli, che priuatamente tireranno leacque nelle ſue caſe diffendano i condotti dell’acque per
              <lb/>
            mezzo de i publicani col pagarli le rendite. </s>
            <s xml:id="echoid-s17047" xml:space="preserve">Ma ſe tra la città, & </s>
            <s xml:id="echoid-s17048" xml:space="preserve">il capo della fonte ſaranno di mezzo le montagne à
              <lb/>
            queſto modo ſi deue liuellare: </s>
            <s xml:id="echoid-s17049" xml:space="preserve">Cauinſi ſotto terra i luoghi doue hanno à paſſare le acque, & </s>
            <s xml:id="echoid-s17050" xml:space="preserve">ſiano liuellate alla cima,
              <lb/>
              <note position="left" xlink:label="note-0209-02" xlink:href="note-0209-02a" xml:space="preserve">50</note>
            ſecondo che diſopra s’è ſcritto, & </s>
            <s xml:id="echoid-s17051" xml:space="preserve">ſe iui ſarà topho, ò ſaſſo tagliſi nel ſuo propio canale, ma ſe il ſuolo ſarà di terra, ò ue
              <lb/>
            ro arenoſo, faccianſi le bande con i ſuoi uolti ne i luoghi cauati. </s>
            <s xml:id="echoid-s17052" xml:space="preserve">& </s>
            <s xml:id="echoid-s17053" xml:space="preserve">coſi ſia l’acqua condotta, & </s>
            <s xml:id="echoid-s17054" xml:space="preserve">i pozzi ſiano talmen-
              <lb/>
            te fatti, che ſtiano tra due Atti. </s>
            <s xml:id="echoid-s17055" xml:space="preserve">Ma ſe cõ le canne di piombo l’acqua ſarà cõdotta, prima farai al capo di eſſa un caſtel-
              <lb/>
            lo, ò conſerua d’acqua, dapoi ſecondo la quantità dell’acqua farai le lame delle canne, & </s>
            <s xml:id="echoid-s17056" xml:space="preserve">queſte ſiano poſte dal pri-
              <lb/>
            mo caſtello à quello’, che è preſſo la città, ne ſiano le canne fuſe piu lunghe di. </s>
            <s xml:id="echoid-s17057" xml:space="preserve">x. </s>
            <s xml:id="echoid-s17058" xml:space="preserve">piedi, queſte lamette ſe ſaranno
              <lb/>
            di cento dita per larghezza prima, che ſiano ritondate ſia ciaſcuna di peſo di libre mille dugento: </s>
            <s xml:id="echoid-s17059" xml:space="preserve">& </s>
            <s xml:id="echoid-s17060" xml:space="preserve">ſe ſaran-
              <lb/>
            no di ottanta dita di noue cento ſeſſanta: </s>
            <s xml:id="echoid-s17061" xml:space="preserve">ſe di cinquanta, ſiano di ſeicento libre; </s>
            <s xml:id="echoid-s17062" xml:space="preserve">ſe di quaranta, ſiano di quat-
              <lb/>
            trocento ottanta; </s>
            <s xml:id="echoid-s17063" xml:space="preserve">ſe di trenta, ſiano di trecento ſeſſanta: </s>
            <s xml:id="echoid-s17064" xml:space="preserve">ſe di uenti, ſiano di dugento quaranta; </s>
            <s xml:id="echoid-s17065" xml:space="preserve">ſe di quinde-
              <lb/>
            deci, ſiano di cento ſeſſanta; </s>
            <s xml:id="echoid-s17066" xml:space="preserve">ſe di dieci, ſiano di cento uenti: </s>
            <s xml:id="echoid-s17067" xml:space="preserve">ſe di otto, ſiano di nouantaſei; </s>
            <s xml:id="echoid-s17068" xml:space="preserve">ſe di cinque ſiano di ſeſ
              <lb/>
            ſanta, perche dal numero delle dita, che uanno nella larghezza delle piaſtre, prima, che ſiano piegate in tondo le can
              <lb/>
              <note position="left" xlink:label="note-0209-03" xlink:href="note-0209-03a" xml:space="preserve">60</note>
            ne prendono il nome delle loro grandezze, imperò che quella piaſtre, che ſarà di cin quanta dita, quando ſi farà la can
              <lb/>
            na di eſſa, chiamerasſi quinquagenaria, & </s>
            <s xml:id="echoid-s17069" xml:space="preserve">allo ſteſſo modo le altre. </s>
            <s xml:id="echoid-s17070" xml:space="preserve">Et quella condotta di acque, che eſſer deue per
              <lb/>
            canne di piombo ha queſta commodità, che ſe il capo ſarà liuellato al piano della città, & </s>
            <s xml:id="echoid-s17071" xml:space="preserve">che i monti di mezzo nõ
              <lb/>
            ſaranno piu alti, che posſino impedire il corſo, coſi ſarà neceſlario apparecchiare di ſotto quelli ſpatij altre liuellatio
              <lb/>
            ni, ſi come è ſtato dimoſtrato di ſopra ne i riui, & </s>
            <s xml:id="echoid-s17072" xml:space="preserve">ne i canali; </s>
            <s xml:id="echoid-s17073" xml:space="preserve">ma ſe non ſarà longo il circuito, uſeremo le uolte, & </s>
            <s xml:id="echoid-s17074" xml:space="preserve">cir
              <lb/>
            condottioni, & </s>
            <s xml:id="echoid-s17075" xml:space="preserve">ſe le ualli ſaranno continuate deueſi drizzare i corſi in luogo chino, & </s>
            <s xml:id="echoid-s17076" xml:space="preserve">quando l’acqua ſarà giunta al
              <lb/>
            baſſo non ſe le apparecchia di ſotto luogo troppo profondo. </s>
            <s xml:id="echoid-s17077" xml:space="preserve">accioche il liuello quanto ſi puo uadi di lungo, & </s>
            <s xml:id="echoid-s17078" xml:space="preserve">que-
              <lb/>
            ſto è il uentre, che i Greci chiamano chilia; </s>
            <s xml:id="echoid-s17079" xml:space="preserve">ma quando uenirà alla contraria ſceſa per lo ſpatio longo del uentre dol-
              <lb/>
            cemente ſi rileua, all’hora ſia cacciata all’altezza della ſceſa, ma ſe nelle ualli non ſarà fatto il uẽtre nello apparecchio
              <lb/>
            di ſotto ſarà à liuello, ma ſe ſarà torto, & </s>
            <s xml:id="echoid-s17080" xml:space="preserve">piegato uſcirà fuori con impeto, & </s>
            <s xml:id="echoid-s17081" xml:space="preserve">diſciorrà le commiſſure delle canne, deõſi
              <lb/>
              <note position="left" xlink:label="note-0209-04" xlink:href="note-0209-04a" xml:space="preserve">70</note>
            ſar’ ancho nel uentre ſpiramenti, per liquali la forza dello ſpirito ſia rilaſciata. </s>
            <s xml:id="echoid-s17082" xml:space="preserve">Quelli adunque, iquali conduranno le
              <lb/>
            acque per le canne di piombo al detto modo con tai ragioni gentilisſimamente potranno dare le ſcadute alle acque,
              <lb/>
            & </s>
            <s xml:id="echoid-s17083" xml:space="preserve">farle uoltare doue uorranno, & </s>
            <s xml:id="echoid-s17084" xml:space="preserve">ſimilmente farne le conſerue, & </s>
            <s xml:id="echoid-s17085" xml:space="preserve">cacciarle in alto quanto uorranno, & </s>
            <s xml:id="echoid-s17086" xml:space="preserve">coſi con la
              <lb/>
            ſteſſa uia quando dal capo delle fonti alle ſteſſe mura della città haueranno ben tolto il liuello dell’altezza tra dugen
              <lb/>
            to atti non ſarà inutile farui un’altra mano di caſtella, accioche ſe in qualche luogo le canue faceſſero danno non ſi
              <lb/>
            habbia à rompere ò maccare tutta l’opera, & </s>
            <s xml:id="echoid-s17087" xml:space="preserve">piu facilmente ſi conoſca doue è fatto il danno.</s>
            <s xml:id="echoid-s17088" xml:space="preserve"/>
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