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

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    <archimedes>
      <text>
        <body>
          <chap>
            <p type="main">
              <s>
                <pb xlink:href="018/01/062.jpg" pagenum="54"/>
              deſcendentes animaduertere nequeamus: ſed
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              ad earum grauitatem adſtruendam ſatis eſſe
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              putamus, quod particulæ illæ vinculum na­
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              ctæ, quo lapidem conſtituant, deſcendentes
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              ſub aſpectum cadant. </s>
              <s>Cur igitur tantam̨
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              ignium vim in fulmine delapſam, ſeque in
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              ima terræ viſcera inſinuantem cernentes,
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              perinde atque ſaxum in aquam decidens
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              mergitur, igneæ grauitatis ſuſpicioni locum
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              non damus? </s>
              <s>Nemo ſiquidem facilè credat
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              accenſum fulmen á ſuperioribus nubis parti­
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              bus, quæ inferioribus tenuiores ſunt ac leuio­
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              res, minùsque ad aqueam naturam vergen­
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              tes, deorſum reflecti: cùm nec ignis ex Auro,
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              quod ob impetûs ac efficaciæ ſimilitudinem
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              nomen à fulmine obtinuit, à quoquam re­
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              flectatur, ſed inſitâ naturæ vi præceps deor­
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              ſum feratur: </s>
            </p>
            <p type="main">
              <s>Ad hæc ignis genus vniuerſum in ſpecies
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              certas, quibus iterum partes aliæ atquè aliæ
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              ſubeſſent, partiebatur & diſtinguebat: Alti
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              enim reperiuntur Ignes luce iuxta atque ca­
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              lore conſpicui, quorum frequentiſsimus eſt
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              & communis vſus, atque vulgatiſsima noti­
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              tia: Alii ſunt, qui, quoniam plus fulgoris
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              habentes, quàm caloris, oculis tantùm blan­
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              diuntur, cum Fatuis Ignibus numerantur:
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              Alios demùm quaſi latentes ſinu natura fo­</s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>
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