Casati, Paolo, Terra machinis mota : dissertationes geometricae, mechanicae physicae hydrostaticae

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              multorum artificum imperitiam, qui ex ma­
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              chinarum tantùm augmento vires ad mo­
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              uenda pondera augeri autumantes, multo la­
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              bore, nec modicâ argenti iacturâ immanes
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              aliquando machinas conſtruunt, quæ vel mo­
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              le ſuâ prægrauatæ fatiſcunt, vel motam mo­
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              tui inferunt non mediocrem, adeò vt ſolius
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              machinæ motio, etiam ſecluſo pondere, cui
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              mouendo deſtinatur machina, validioris po­
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              tentiæ vires abſumat: cum tamen rem to­
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              tam minore negotio, nec ſpernendo pecu­
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              niæ atquè laboris compendio, perficere poſ­
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              ſent, ſi rectè intelligerent, quantum machi­
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              narum compoſitio præſtet earum augmento. </s>
              <s>
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              Id quod ex quinque his axibus in Peritrochio
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              inter ſe compoſitis luculentiſſimè demon­
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              ſtratur; ſi enim axi, cuius diameter palma­
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              ris, rotam velis infigere, qua poſſis idem̨
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              mouere pondus, quod tribus tantùm ex pro­
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              poſitis rotis A, B, C, mouetur, quàm imma­
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              nis illa erit? </s>
              <s>Quippe quæ 125 palmos ſe­
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              cundùm diametrum obtineat: quàm diffi­
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              cilis ad conuerſionem? </s>
              <s>ob ingentem grauita­
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              tis cardines prementis reſiſtentiam: quàm
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              multo argento parabilis? </s>
              <s>cum ea ſola ad tres
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              A, B, C, ſimul ſumptas eſſet vt minimùm in
                <lb/>
              Ratione Quadrati ſuæ diametri 125 ad tri­
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              plum Quadratum diametri rotæ A, hoc eſt </s>
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