Heron Alexandrinus, Spiritali di Herone Alessandrino

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    <archimedes>
      <text>
        <body>
          <chap>
            <p type="main">
              <s>
                <pb/>
              </s>
            </p>
            <p type="head">
              <s>Della coppa, che ſtà ſempre medeſima-
                <lb/>
              mente piena.</s>
              <s> XX.
                <lb/>
              </s>
            </p>
            <p type="main">
              <s>Se voremo anco per il medeſimo vſo fare vna cop_
                <lb/>
              pa, che poſta in qualche luogo, benche da quella
                <lb/>
              ſia cauata molta copia d'acqua, reſti nondimeno
                <lb/>
              ſempre piena; il modo di farla è queſto.
                <lb/>
                <figure number="30"/>
                <lb/>
              </s>
            </p>
            <p type="main">
              <s>
                <emph type="italics"/>
              Sia il vaſo AB con tant'acqua dentro, che baſti per l'effetto, che de-
                <lb/>
              ue ſeguire, e ſia vna cãnella CD, che eſca da eſſo, alla quale ſi põghi ſotto
                <lb/>
              la tinella GH, e non molto lunge da quella cannella, ſi accommodi la ſtag_
                <lb/>
              gia EF; dal capo E della quale penda la ſuora K, che ſtia nella tinella,
                <lb/>
              all'altro capo F leghiſi vna catena, che ſoſtenga il peſo di piombo X; il che
                <lb/>
              tutto ſia per tal modo accommodato, che dalla ſuora K che nota nell'ac-
                <lb/>
              qua della tinella, venghi rinchiuſa la cannella CD; e votata poi l'acqua
                <lb/>
              della tinella, cali per conſeguenza la ſuora, & apra la cannella, di mo-
                <lb/>
              do che di nuouo entrando l'acqua nella tinella, facci ſolleuare la ſuora, on-
                <lb/>
              de venghi come prima la cannella rinchiuſa.</s>
              <s> Ma auertendo, che la ſuora
                <lb/>
              conuerrà che ſia più greue, che non è quel peſo, che ſi è attaccato in X.</s>
              <s>
                <emph.end type="italics"/>
                <lb/>
              </s>
            </p>
            <p type="main">
              <s>
                <emph type="italics"/>
              Hora ſia la coppa di già detta LM fermata in qualche luogo, l'orlo della
                <emph.end type="italics"/>
                <lb/>
              </s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>
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