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-s313" xml:space="preserve">
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            particolari, e diſtinti: </s>
            <s xml:id="echoid-s314" xml:space="preserve">perciò che nel principio ragiona
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            egli di
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            queſte coſe generalmente, dopo diſcende alle ſpe-
              <lb/>
            tie, di che egli intende trattare, eſecondo quelle diuide
              <lb/>
            i libri; </s>
            <s xml:id="echoid-s315" xml:space="preserve">Dopò ſcopre quello, che ciaſcuna di quelle due
              <lb/>
            ſpetie ci prometta, e preſigli eſſempij ch’hanno da ſerui-
              <lb/>
            re, ne fa narratione prima cõſuſa, dopo aperta, ſteſa, e par
              <lb/>
            ticulareggiata, e finalmente conl’ordine, col quale egli
              <lb/>
            le ſtende, torna poi, come diceuamo ad inſegnarci di par
              <lb/>
            te in parte il modo da cõdurle alſine. </s>
            <s xml:id="echoid-s316" xml:space="preserve">Nel moſtrarci i mo
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            ti parimente ſi guardo dal diſordine, perciò che prima
              <lb/>
            volle ragionare dellocale, che ſi ſa da tutta la machina
              <lb/>
            mobile ſu le ruote della baſe, e poi di quello, che ſiſa da
              <lb/>
            ciaſcheduna imagine, e parte della Machina nel tempo
              <lb/>
            ch’ella ſtà ferma, e nõ ſi muoue diluogo: </s>
            <s xml:id="echoid-s317" xml:space="preserve">In ſegnando poi
              <lb/>
            i moti di tutra la machina prima comincia dalretto, co-
              <lb/>
            me quello che è ſimpliciſsimo, dopo trapaſſa al circulare
              <lb/>
            primo ſemplice dopo il retto: </s>
            <s xml:id="echoid-s318" xml:space="preserve">dopo inſegna il moto per
              <lb/>
            gli lati d’vn paralellogrammo di angoliretti, come di ſi-
              <lb/>
            gura manco perfetta della circulare; </s>
            <s xml:id="echoid-s319" xml:space="preserve">e finalmente viene
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            à quello del ſerpeggiare, come quello che per eſſere mi-
              <lb/>
            ſto di più moti, è irregolare, inordinato, e non ſemplice
              <lb/>
            come gli altri. </s>
            <s xml:id="echoid-s320" xml:space="preserve">Queſte coſe ci piace hauer voluto auerti-
              <lb/>
            re, non tanto per moſtrare la diligenza di queſto Autto-
              <lb/>
            re, laquale può eſſere à chi non è cie co per ſe ſteſſa aſſai
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            manifeſta, quanto pe
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            r far auertito, chi ſi poneà ſcriuere
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            coſe tali, à fuggir, quanto più ſi può, l’inordinatezza, e la
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            conſuſione. </s>
            <s xml:id="echoid-s321" xml:space="preserve">Habbiamo diſcorſo aſſai ſopra le machine
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            in genere, e ſopra l’opera. </s>
            <s xml:id="echoid-s322" xml:space="preserve">Onder reſta che diciamo alcuna
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            coſa appartenente all’Hiſtoria, & </s>
            <s xml:id="echoid-s323" xml:space="preserve">alla vita dell’Autore,
              <lb/>
            perciò che diſcorrendo noiſopra vn’opera, che non è al-
              <lb/>
            tro, che vn’effetto di lui, non ſolo non è inconueniente,
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            ma giuſto, che eſſendone eglila cauſa, facciamo </s>
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