Alberti, Leone Battista, De re aedificatoria, 1485

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      <text>
        <body>
          <chap id="N40001A">
            <p id="N4059A8" type="main">
              <s id="N405A0C">
                <pb xlink:href="004/01/125.jpg"/>
              Profecto
                <expan abbr="locãdus">locandus</expan>
              is quidem erit / ubi et facile ponere: et im
                <lb/>
              penſa non grauiſſima perficere: et
                <expan abbr="eternũ">eternum</expan>
              futurum ſperaſſe
                <lb/>
              liceat. </s>
              <s id="N405A23">Captanda igitur uada non profundiora: non abruta:
                <lb/>
              non incerta: non mobilia: ſed coequata et manſura. </s>
              <s id="N405A28">Vitan
                <lb/>
              di uortices: gurgites: uoragines et eiuſmodi: quæ mala per
                <lb/>
              fluenta uerſantur. </s>
              <s id="N405A2F">
                <expan abbr="Vitãdique">Vitandique</expan>
              in primis anfractibus riparum
                <lb/>
              cubiti :
                <expan abbr="cũ">cum</expan>
              cæteras ob res / ſunt
                <expan abbr="enĩ">enim</expan>
              iſtic ripæ ut uidere licet
                <lb/>
              ruinis
                <expan abbr="obnoxiæ/tũ">obnoxiæ / tum</expan>
              quod per eos ipſos cubitos alluuiorum tem
                <lb/>
              peſtatibus rapta ex agris materia et trunci et ſiluæ non re
                <lb/>
              cto expeditoque lapſu
                <expan abbr="deuehũtur/ſed">deuehuntur / ſed</expan>
                <expan abbr="obuerſãtur">obuerſantur</expan>
              : aliaque alias
                <lb/>
              retardando glomerantibus congruuntur: uaſtumque coactæ in
                <lb/>
              cumulum hæreſcunt pilis: unde fauces arcuum obſtipatæ
                <lb/>
              ſuccumbunt quoadiu moleque preſſantium aquarum detur
                <lb/>
              batur opus / atque diruitur. </s>
              <s id="N405A5A">Sed ſunt
                <expan abbr="põtium">pontium</expan>
              alii lapidei / alii
                <lb/>
              lignei. </s>
              <s id="N405A63">De ligneis prius / quod opere ſint faciliores: poſt de la
                <lb/>
              pideis tranſigemus. </s>
              <s id="N405A68">Vtrumque firmiſſimum eſſe oportet.
                <lb/>
              </s>
              <s id="N405A6C">Ergo is multa et ualida lignorum copia corroborabitur.
                <lb/>
              </s>
              <s id="N405A70">Quam ad rem pulchre
                <expan abbr="exequẽdã/">exequendam /</expan>
              illud Cæſaris maiorem
                <expan abbr="ĩmodum">im
                  <lb/>
                modum</expan>
              confert. </s>
              <s id="N405A7D">Nam pontis quidem efficiendi rationem
                <lb/>
              ſic inſtituit. </s>
              <s id="N405A82">Tigna bina ſexquipedalia paululum ab imo
                <lb/>
              præacuto dimerſa ad altitudinem fluminis / interuallo pe
                <lb/>
              dum duorum inter ſe iungebat. </s>
              <s id="N405A89">Haec cum machinationibus
                <lb/>
              immiſſa in flumen defixerat: figiſticiſque adegerat non di
                <lb/>
              recte ad perpendiculum / ſed prona ac faſtigiata: ut ſecun
                <lb/>
              dum naturam fluminis procumberent. </s>
              <s id="N405A92">His item contraria
                <lb/>
              duo inter ſe ad eundem modum iuncta: interuallo pedum
                <lb/>
              quadragenum ab inferiore parte contra uim atque impetum
                <lb/>
              fluminis conuerſa ſtatuebat. </s>
              <s id="N405A9B">Haec utraque uti diximus con
                <lb/>
              ſtituta bipedalibus trabibus ſuperimmiſſis iungebat longis
                <lb/>
              quantum inſtitorum tignorum iunctura diſtabat. </s>
              <s id="N405AA2">Huiuſmodi
                <lb/>
                <expan abbr="autẽ">autem</expan>
                <expan abbr="īmiſſæ">immiſſæ</expan>
              trabes binis utrinque fibulis ab extrema parte de
                <lb/>
              ſtinebantur: quibus diſcluſis atque in
                <expan abbr="cõtrariam">contrariam</expan>
              partem re
                <lb/>
              iunctis / tanta erat operis firmitudo atque ea rerum natura:
                <lb/>
              ut quo maior uis aquæ ſe incitaſſet / hoc arctius colligata </s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>
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