Vitruvius, M. Vitrvvivs Per Iocvndvm Solito Castigatior Factvs Cvm Figvris Et Tabvla Vt Iam Legi Et Intelligi Possit, 1511

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        <div xml:id="echoid-div97" type="section" level="1" n="73">
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            <s xml:id="echoid-s2988" xml:space="preserve">
              <pb o="81" file="0171" n="171" rhead="OCTAVVS."/>
            des quin, latum digitum, altum ſeſquidigitum, eo aqua infundatur, & </s>
            <s xml:id="echoid-s2989" xml:space="preserve">
              <lb/>
            ſiæqualiter aqua, canalis ſumma labra tanget, ſcietur eſſe libratum, Ita eo
              <lb/>
            chorobate cum perlibratum ita fuerit, ſcietur quantum habuerit faſtigii,
              <lb/>
            Fortaſſe qui Archimedis libros legit, dicet non pofſe fieri ueram ex aqua li-
              <lb/>
            brationem ꝙ ei placet aquam non eſſe libratam, ſed ſpheroides habere ſche
              <lb/>
            ma, & </s>
            <s xml:id="echoid-s2990" xml:space="preserve">ibi habere centrum quo loci habet orbis terrarum, Hoc autem (ſiue
              <lb/>
            plana eſt aqua, ſeu ſpheroides) neceſſe eſt, extrema capita canalis regulæ pa
              <lb/>
            riter ſuſtinere aquam, Sin autem proclinatus erit ex una parte, quæ erit alti
              <lb/>
            or non habebit regulæ canalis in ſummis labris aquam, Neceſſe enim ẽ quo
              <lb/>
            cun aqua ſit infuſa in medio inflationem curuaturam habere, ſed capi-
              <lb/>
            ta dextra ac ſiniſtra inter ſe librata eſſe, Exemplar autem chorobatis erit in
              <lb/>
            extremo volumine deſcriptum, Et ſi erit faſtigium magnũ, facilior erit de-
              <lb/>
            curſus aquæ, Sin autem interualla erunt lacunoſa, ſubſtructionibus eritſue
              <lb/>
            currendum.</s>
            <s xml:id="echoid-s2991" xml:space="preserve"/>
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        </div>
        <div xml:id="echoid-div98" type="section" level="1" n="74">
          <head xml:id="echoid-head73" xml:space="preserve">Quot modis ducantur aquæ. # Caput. VII.</head>
          <p>
            <s xml:id="echoid-s2992" xml:space="preserve">Ductus autem aquæ fiunt generibus tribus, riuis per canales ſtructiles, aut
              <lb/>
            fiſtulis plumbeis, ſeu tubulis fictilibus, quorum eæ rationes ſunt. </s>
            <s xml:id="echoid-s2993" xml:space="preserve">Si canali-
              <lb/>
            bus, vt ſtructura fiat ꝗ̃ ſolidiſſima, ſolum riui libramenta habeat faſtiga-
              <lb/>
            ta ne minus in centenos pedes ſemipede, eæ ſtructuræ confornicentur, ut
              <lb/>
            minime ſol aquam tangat.</s>
            <s xml:id="echoid-s2994" xml:space="preserve"/>
          </p>
          <figure number="101">
            <description xml:id="echoid-description79" xml:space="preserve">a. caftellum
              <lb/>
            b. triplex miflarium
              <lb/>
            c. fornix</description>
            <variables xml:id="echoid-variables75" xml:space="preserve">a b c</variables>
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