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

Table of Notes

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            <s xml:id="echoid-s813" xml:space="preserve">
              <pb file="0074" n="74" rhead="DELLE MACH. STABILI."/>
            fua imagine, e che dopo queſto, chiuſe le partite, la fauo-
              <lb/>
            la hauea fine. </s>
            <s xml:id="echoid-s814" xml:space="preserve">La diſpoſitione era tale. </s>
            <s xml:id="echoid-s815" xml:space="preserve">Egli biſogna fabri
              <lb/>
            care, come habbiamo ſcritto, una caſſa di quella gran-
              <lb/>
            dezza a punto, che noi vogliamo latauola, equeſta dita-
              <lb/>
            uolette ſottiliſsime, lequali tauolette doueranno hauere
              <lb/>
            tanta larghezza, quanta è la ſeſta parte de’ lati più lun-
              <lb/>
            ghi. </s>
            <s xml:id="echoid-s816" xml:space="preserve">Il piano poi della tauola biſogna, che adattiamo
              <lb/>
            nel mezo della caſſetta, da baſſo poi di queſta caſſetta ſi
              <lb/>
            accommoda vn caſſettino voto, che non ſi ueda, nella par
              <lb/>
            te di dietro, del quale adattate le partite i gangheri lun-
              <lb/>
            ghi arriueranno à baſſo di maniera che preſi da piedi, e
              <lb/>
            fatti girare, le partite s’apranoe ſi chiudano. </s>
            <s xml:id="echoid-s817" xml:space="preserve">Sia dun-
              <lb/>
            que il caſſettino veduto dalla parte dinanzia, b, i gan-
              <lb/>
            gheri delle partite, che arriuano à baſſo c, d. </s>
            <s xml:id="echoid-s818" xml:space="preserve">Quando
              <lb/>
            dunque altri uolterà cõ le mani queſti gangheri di quà,
              <lb/>
            e di là, farà aprire e ſerrare le partite. </s>
            <s xml:id="echoid-s819" xml:space="preserve">Ma accioche me-
              <lb/>
            diante la corda queſto da ſeſteſſo ſi faccia, eſſendo eſſa
              <lb/>
            tirata dal contrapeſo poſto nel cannone ſopra la rena, io
              <lb/>
            accoſto à gangheri vn fuſo per trauerſo, il quale ſia po-
              <lb/>
            co lontano da detti gangheri ſegnato e, f, & </s>
            <s xml:id="echoid-s820" xml:space="preserve">beniſsimo ſi
              <lb/>
            giri. </s>
            <s xml:id="echoid-s821" xml:space="preserve">Foro poil’ uno, & </s>
            <s xml:id="echoid-s822" xml:space="preserve">l altro ganghero, e preſa vna cor-
              <lb/>
            da l’addoppio, e caccio il capo, comeſe foſſe ſemplice,
              <lb/>
            nel foro, e ue lo fermo con una punta, ò taſſelletto in col-
              <lb/>
            lato, di maniera che nõ ſi poſſatirar via, ma ſe ne ſtia fer
              <lb/>
            miſsimo. </s>
            <s xml:id="echoid-s823" xml:space="preserve">Fatto queſto conduco i capi della corda in-
              <lb/>
            torno al fuſo, quello che è dalla parte c, d, di ſopra, è
              <lb/>
            quella che è uerſo l’e, f, diſotto al detto fuſo, e ferman-
              <lb/>
            do parimente il fuſo, ui fermo beniſsimo con una pun-
              <lb/>
            ta l’uno, & </s>
            <s xml:id="echoid-s824" xml:space="preserve">l’altro capo della corda, tiran do forte le cor-
              <lb/>
            de, coſi quella, che è doue è l’e, come quella del f. </s>
            <s xml:id="echoid-s825" xml:space="preserve">Que-
              <lb/>
            ſte corde faranno girarei gangheri & </s>
            <s xml:id="echoid-s826" xml:space="preserve">apriranno le por-
              <lb/>
            te. </s>
            <s xml:id="echoid-s827" xml:space="preserve">Quando poi di nuouo io uolto al contrario il fuſo,
              <lb/>
            le porte ſi chiudono; </s>
            <s xml:id="echoid-s828" xml:space="preserve">e coſi da vn ſol mototutte due </s>
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