Heron Alexandrinus, Spiritali di Herone Alessandrino

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            <p type="main">
              <s>
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                <emph type="italics"/>
              vn vaſetto alquanto greue, & che poſſa circondare la canna DEF.
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              </s>
            </p>
            <p type="main">
              <s>Quando trouandoſi dunque la tazza piena, calcaremo il capo della ſtag-
                <lb/>
              gia L il vaſetto NX ſi leuarà in alto, e l'acqua, che è nella tazza, ſe ne
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              andarà fuora per la canna DEF, e ſe laſſaremo andare il capo L, il va-
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              ſetto calarà giù, e circondarà la canna DEF, onde l'aria, che è dentro
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              in eſſo non hauendo vſcita, farà diuieto all'acqua, che è d'intorno alla can_
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              na DEF, che non poſſa più correre per la bocca D; ma quando poi abbaſ-
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              ſaremo di nuouo il capo della ſtaggia L, all'hora la cannella ſpargerà
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              fuora l'acqua.
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              </s>
            </p>
            <p type="head">
              <s>Di fabricare il vaſo, che corre.</s>
              <s> LII.
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              </s>
            </p>
            <p type="main">
              <s>Fabrica d'vn vaſo tale, che poſtoui ſopra vn co-
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              perchio di vetro, e ſcorrendo l'acqua, aſcende ſo-
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              pra quel coperchio di vetro, e poi ſi riuerſa
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              fuora.
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              </s>
            </p>
            <p type="main">
              <s>
                <emph type="italics"/>
              Sia il vaſo, che corre ABC diuiſo dal tramezzo DE, e da eſſo DE
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              eſchino due canne FG, & HK, delle quali FG rieſchi fuora del vaſo, &
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              HK di dentro; ricopra queſto vaſo il coperchio di vetro MN, e per que-
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              ſto coperchio di vetro mettaſi la canna X, che paſſi nel tramezzo, e per
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              queſta mettaſi l'acqua dentro, empito dunque mediante queſta il vaſo;
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              che corre, ſi empirà ſimilmente la canna HK, e l'acqua ſormontarà nel
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              coperchio di vetro, di maniera che vſcirà poi fuora per l'altra canna FG,
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              e queſto ſarà per l'ordine della canna torta, la gamba minore della qua-
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              le ſarà HK, e la maggiore FG, per cagione della quale venendo tira-
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              ta l'acqua, che è nel vaſo, àſcenderà nel coperchio di vetro; ma prima
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              tirerà l'aria, come più leggiere dell'acpua, e poi ſi vederà ſormontare
                <emph.end type="italics"/>
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              </s>
            </p>
          </chap>
        </body>
      </text>
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