Heron Alexandrinus, Di Herone Alessandrino De gli automati : ouero machine semoventi, libri due, 1589

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            <s xml:id="echoid-s497" xml:space="preserve">
              <pb file="0044" n="44" rhead="DELLE MACH. SE MOV."/>
            eguali, g, h, K, l, con le circonferenze loro lenticolate; </s>
            <s xml:id="echoid-s498" xml:space="preserve">
              <note symbol="19" position="left" xlink:label="note-0044-01" xlink:href="note-0044-01a" xml:space="preserve"/>
            mezo del fuſo ſia il naſpo, m, n, cong iunto anch’eſſo al det
              <lb/>
            to fuſo, intorno alqual naſpo s’auiluperà la corda; </s>
            <s xml:id="echoid-s499" xml:space="preserve">in que-
              <lb/>
            ſto naſpo ſarà fitto vna punta, n, o, nella quale ſi ficcherà
              <lb/>
            l’vncinetto della corda. </s>
            <s xml:id="echoid-s500" xml:space="preserve">Sia vn altra ruota in mezo al lato
              <lb/>
            c, d; </s>
            <s xml:id="echoid-s501" xml:space="preserve">e queſta ſia lar, q, laquale ſi giri nel caſſo s, t, p, intorno
              <lb/>
            al fuſo, x, y, molto picciolo. </s>
            <s xml:id="echoid-s502" xml:space="preserve">Siano poi di maniera accom-
              <lb/>
            modati i fuſi delle ruote, chela caſſetta ſe ne ſtia coſi pia-
              <lb/>
            na, che non penda da niuna parte. </s>
            <s xml:id="echoid-s503" xml:space="preserve">Attacato dunque l’vn-
              <lb/>
            cinetto alla punta n, o, s’auiluppi la corda intorno al na-
              <lb/>
            ſpo. </s>
            <s xml:id="echoid-s504" xml:space="preserve">Eſſendo poi ad angoliretti ſopra la caſſetta vn can-
              <lb/>
            none quadro, l’altro capo della corda per via d’vna carru-
              <lb/>
            coletta ſi condurrà alla parte di ſopra del cannone, & </s>
            <s xml:id="echoid-s505" xml:space="preserve">ſi
              <lb/>
            raccommanderà al contrapeſo dipiombo, che è dentro il
              <lb/>
            detto cannone. </s>
            <s xml:id="echoid-s506" xml:space="preserve">Quando dunque ſi laſcierà andare à baſſo
              <lb/>
            il contrapeſo nel cannone, tirerà la corda, e queſta ſuilup
              <lb/>
            pandoſi dal naſpo farà voltare le due ruote g, h, K, l, e
              <lb/>
            queſte girate per il piano condurranno ſeco la caſſetta,
              <lb/>
            fin tanto che l’vncinetto eſca della punta, ouero il contra-
              <lb/>
            peſo ſi fermi in qualche luogo.</s>
            <s xml:id="echoid-s507" xml:space="preserve"/>
          </p>
          <figure number="12">
            <image file="0044-01" xlink:href="http://echo.mpiwg-berlin.mpg.de/zogilib?fn=/permanent/library/xxxxxxxx/figures/0044-01"/>
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