Heron Alexandrinus, Spiritali di Herone Alessandrino

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      <text>
        <body>
          <chap>
            <p type="main">
              <s>
                <pb/>
              </s>
            </p>
            <p type="head">
              <s>Del vaſo, che imita la voce del Melancorifo.</s>
              <s> XIIII.
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              </s>
            </p>
            <p type="main">
              <s>Se ſarà meſſa l'acqua in certi vaſi, viene eſpreſſa
                <lb/>
              la voce, o il fiſchio del
                <emph type="sup"/>
              1
                <emph.end type="sup"/>
              Melancorifo; e faſſi a que-
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              ſto modo.
                <lb/>
                <figure number="23"/>
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              </s>
            </p>
            <p type="main">
              <s>
                <emph type="italics"/>
              Sia vna baſe ABCD bene riſerrata, e per il coperchio AD trapaſ-
                <lb/>
              ſi l'
                <emph type="sup"/>
              2
                <emph.end type="sup"/>
              Infondibolo EF, la cannella del quale ariui tanto lunge al fondo,
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              quanto baſti per dare il paſſo a l'acqua, e ſi ſaldi co'l coperchio; ſia mede-
                <lb/>
              ſimamente vna ſampognetta GHK, di quella ſorte, che ſogliono ſonare, e
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              ſia forata inſieme con la baſe, e ſaldata ſimilmente co'l coperchio AD, e
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              la ſua bocca K ripieghiſi nell'acqua, che ſarà nel vaſetto L poſto lì vicino.</s>
              <s>
                <lb/>
              Verſata dunque l'acqua per l'infondibolo EF, auiene che l'aria, che era
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              nella baſe, eſſendo diſcacciata, ſe ne fugge per la ſampognetta GHK, e
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              così manda fuora il ſuono.</s>
              <s> Ma ſe la parte eſtrema, di quella ſampognet-
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              ta ſarà ripiegata nell'acqua, ſi ſente vn ſuono, che mormora, di modo che
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              viene imitata la voce del Melancorifo; ma ſe non vi ſerà poſta l'acqua,
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              farà ſolamente il fiſchio.
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              </s>
            </p>
          </chap>
        </body>
      </text>
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