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

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              803.257487.685000.000000.
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              LXV
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              Pondus ter­
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              reni globi
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              quàm nota­
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              biliter mi­
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              nueretur ex
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              aquæ ſeceſ­
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              ſione.
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              <s>Hoc autem pondus ex totius globi graui­
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              tate demptum faciliorem efficeret terræ
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              motionem, vbi iam tota terra aliquo uſque
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              ab vniuerſi centro receſſiſſet, ibique aquam
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              ferè totam, quæ nunc in globi ſuperficię
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              fluit, reliquiſſet. </s>
              <s>Sed quid ſi in maris fundo
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              amplæ pateant voragines, per quas in tellu­
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              ris cuniculos aqua ſe inſinuer, ingentesque
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              abyſſos creet? </s>
              <s>An non per hiatus eoſdem
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              aqua ſe exoneraret tellure in altum ſublatâ ?
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              Ex quo & illud conſequeretur, quod in im­
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              menſa illa hydrophylacia aër tenuisque va­
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              por defluenti aquæ ſuccederet, fieretque to­
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              tius compoſitæ molis grauitas ſecundùm
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              ſpeciem minor. </s>
              <s>Verùm terræ viſcera nę
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              ſcrutemur; aquasque illas hypogæas ſuis in
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              conceptaculis ſtagnantes relinquamus. </s>
              <s>A­
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              qua certè, quæ terræ faciem nunc alluit,
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              tanta eſt, vt ſi eam diſceſſiſſe in locum alium
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              à tellure animo concipiamus, continuo non
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              exigua ſanè momenta ex globo terraqueo
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              dempta intelligamus. </s>
              <s>Et ſi ad manum eſſet
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              ſchedula, in qua Merſennus rationes digeſſit,
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              quibus telluris grauitatem nudius tertius in­
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              ueſtigabat, numerum hunc librarum ex illo
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              ſubducentibus conſtaret non planè contem­
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              nendum eſſe hoc laboris compendium. </s>
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