Schott, Gaspar, Mechanica hydraulico-pneumatica. Pars I. Mechanicae Hydraulico-pnevmaticae Theoriam continet. , 1657

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            <p type="main">
              <s>
                <pb xlink:href="051/01/168.jpg" pagenum="137"/>
              decim linearum. </s>
              <s>Oporteat invenire altitudinem tubi qui unâ
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              horâ & 21 minutis primis ex foramine digitali ejiciat 216000
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              libras aquæ, ſeu repleat ciſteruam 3000 pedum cubicorum. </s>
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              <s>Quoniam tubus quadrupedalis, cujus lumen digitale, eji­
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              cit tredecim ſecundorum ſpatio libras 144, ut vidimus Pro­
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              poſit. XVII. præcedente, & idem tubus ſpatio duarum hora­
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              rum, ac 42 minutorum primorum ejicit libras 108000, ut vi­
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              dimus Propoſit. XVIII. præcedente; ergo duplum hujus aquæ,
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              hoc eſt, libræ 216000, ejicientur à tubo ejuſdem luminis alto
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              pedes 16. eò quòd tuborum æqualium foraminum altitudines
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              debeant eſſe in duplicata ratione aquarum, ut duplo plùs aquæ
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              eodem tempore fundant, prout diximus Propoſit. VIII. Pori­
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              ſmate 1. </s>
              <s>Ut verò eadem aqua effluat ex tubo ejuſdem fora­
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              minis duplo velociùs, hoc eſt, intra horam unam, minuta 21;
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              debet tubus eſſe altus pedes 64, ut patet ex Poriſmate Propo­
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              ſit. X. & XII. </s>
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            <p type="main">
              <s>
                <emph type="center"/>
              Poriſma.
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              </s>
            </p>
            <p type="main">
              <s>SImili ratione datis tempore, ciſterna, & altitudine tubi, in­
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              venitur foramen tubi, qui ciſternam datam repleat in illo
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              tempore. </s>
            </p>
            <p type="main">
              <s>
                <emph type="center"/>
              Propoſitio XX. Problema IV.
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              </s>
            </p>
            <p type="main">
              <s>
                <emph type="center"/>
              Dato Vaſe, & foramine per quod effluit aqua,
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              invenire tempus quo evacuatur.
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              </s>
            </p>
            <p type="main">
              <s>SIt datum vas priſmaticum ABCD, cujus tam longitudo, </s>
            </p>
            <p type="main">
              <s>
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                <lb/>
              quàm latitudo ſit decem pedum, altitudo vero 16 pedum,
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              ac proinde capacitas totius vaſis ſit 1600 pedum cubicorum,
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              baſis verò ſit 100 pedum quadratorum; lumen denique ſeu
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              foramen E in fundo vaſis ſit digitale. </s>
              <s>Oporteat invenire tem­
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              pus quo dictum vas, ſi aquâ fuerit plenum, per lumen E eva­
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              cuetur. </s>
            </p>
          </chap>
        </body>
      </text>
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