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

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            <s xml:id="echoid-s399" xml:space="preserve">
              <pb o="17" file="0037" n="37" rhead="LIBRO PRIMO."/>
            ſigure, & </s>
            <s xml:id="echoid-s400" xml:space="preserve">indià poco chiuſe le partite, & </s>
            <s xml:id="echoid-s401" xml:space="preserve">di
              <note symbol="7" position="left" xlink:label="note-0037-01" xlink:href="note-0037-01a" xml:space="preserve"/>
            ſe ſteſſe aperte, appare vn’altra diſpoſitione di figure cor-
              <lb/>
            riſpondente à quella che ſi vidde prima, dinuouo chiuſe,
              <lb/>
            & </s>
            <s xml:id="echoid-s402" xml:space="preserve">aperte le partite appare vn’altra diſpoſitione di ſigure
              <lb/>
            corriſpõdente allaprima, e queſta ouero dà fine alla pro-
              <lb/>
            poſta fauola, ouero dopoleineappare vn’altra, fin tan-
              <lb/>
            to che la fau
              <unsure/>
            ola ſia condotta al fine. </s>
            <s xml:id="echoid-s403" xml:space="preserve">E delle figure che ſo-
              <lb/>
            no dipinte ſu la tauola ciaſcuna può vederſi in moto quan
              <lb/>
            do la fauola lo ricerchi, come ſarebbeà dire, che alcune
              <lb/>
            ſeghino legni, altre adoprino l’aſcia, altre la mazza, &</s>
            <s xml:id="echoid-s404" xml:space="preserve">
              <note symbol="8" position="left" xlink:label="note-0037-02" xlink:href="note-0037-02a" xml:space="preserve"/>
            altre ſi vagliano della ſcure, & </s>
            <s xml:id="echoid-s405" xml:space="preserve">ad ogni colpo facciano
              <lb/>
            quello ſtre
              <unsure/>
            pito, che nel vero ſi ſuole vdire. </s>
            <s xml:id="echoid-s406" xml:space="preserve">Si poſſono an
              <lb/>
            cora far altri moti dietro la tauola, come accendere il
              <lb/>
            fuoco, far’ apparer figure, che prima non ſi vedeuano, e
              <lb/>
            di nuouo farle diſparere; </s>
            <s xml:id="echoid-s407" xml:space="preserve">& </s>
            <s xml:id="echoid-s408" xml:space="preserve">in ſomma egli è poſsibile dar
              <lb/>
            loro quel moto, chepare altrui, ſenza biſogno di acco-
              <lb/>
            ſtarſi alle figure. </s>
            <s xml:id="echoid-s409" xml:space="preserve">E poil operatione delle ſe Mouenti ſta-
              <lb/>
            bili più ſicura, men pericoloſa, e più capace di qual ſi uo-
              <lb/>
            glia diſpoſitione, che non è quella delle mobili. </s>
            <s xml:id="echoid-s410" xml:space="preserve">Chiama-
              <lb/>
            uano gli antichi gliartefici di queſte taumaturgi, e
              <note symbol="9" position="left" xlink:label="note-0037-03" xlink:href="note-0037-03a" xml:space="preserve"/>
            per lo ſtupore, che apporta ſeco queſto ſpetracolo. </s>
            <s xml:id="echoid-s411" xml:space="preserve">Ho-
              <lb/>
            ra in queſto libro noi ſcriuiamo delle mobili proponen-
              <lb/>
            do vna diſpoſitione varia ſe
              <unsure/>
            condo noi, la quale s’adatte-
              <lb/>
            rà ad ogn’altra diſpoſitione; </s>
            <s xml:id="echoid-s412" xml:space="preserve">di maniera, che chieleggerà
              <lb/>
            di diſporre altra coſa, non hauerà che cercare per far
              <lb/>
            che operi la ſua diſpoſitione. </s>
            <s xml:id="echoid-s413" xml:space="preserve">Nel ſeguente poi ſcriue-
              <lb/>
            remo delle ſe Mouenti ſtabili. </s>
            <s xml:id="echoid-s414" xml:space="preserve">Biſogna prima che ilpia-
              <lb/>
            no; </s>
            <s xml:id="echoid-s415" xml:space="preserve">per il quale deue caminare la machina ſe Mouente
              <lb/>
            ſia duro, non inclinato, & </s>
            <s xml:id="echoid-s416" xml:space="preserve">eguale, acciò che le ruote ſue
              <lb/>
            premute non ſi profondino, & </s>
            <s xml:id="echoid-s417" xml:space="preserve">non ſiano impedite da
              <lb/>
            qualche aſprezza; </s>
            <s xml:id="echoid-s418" xml:space="preserve">ne ſiano ſpinte verſo l’aſceſa, accio-
              <lb/>
            che non tornino a dietro. </s>
            <s xml:id="echoid-s419" xml:space="preserve">Ma quando non s habbia com-
              <lb/>
            modità di piano tale, quale è queſto, che ſi dice, </s>
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