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

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                <pb xlink:href="018/01/160.jpg" pagenum="146"/>
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              tiùs examinanti, vtrùm omni prorſus labe
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              careat tua hæc argumentatio. </s>
              <s>Sit vas cu­
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              preum AR molis vnâ cum incluſo aëre pe­
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              dalis, & vaſis pondus lib. 80, quod eſt pon­
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              dus pedis cubici aquæ. </s>
              <s>Eſt igitur vas eiuſ­
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              dem ſpecificæ grauitatis cum aquâ; atque
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              adeò cum grauitas cupri ad grauitatem aquæ
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              ſit vt 71. ad 8, moles cupri ad molem aëris
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              incluſi eſt vt 8 ad 63. Quarè vas aëre plenum
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              nihil in aquâ grauitat, aut leuitat; ſed ſi mer­
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              gatur intrà aquam, quæ aëre excluſo impleat
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              vaſis capacitatem, iam vas intrà aquam pon­
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              dus habebit lib. 80. minùs pondere, quod
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              habet aqua ſecundùm molem cupro æqualis. </s>
              <s>
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              Quia igitur moles cupri eſt (8/71) pedis cubici,
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              fiat vt 71 ad 8, ita lib. 80 pondus pedis cu­
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              bici aquæ, ad lib. 9. (1/71) pondus aquæ æqualis
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              cupro vaſis. </s>
              <s>Erit itaque vaſis pleni aquâ in­
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              trà aquam grauitas lib. (70 70/71): quod quidem
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              pondus tribuendum eſt cupro, non autem
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              aquæ vas implenti, quæ intrà aquam non
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              grauitat: cum maximè idem eſſet in aquâ
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              eiuſdem cupri pondus, etiamſi in maſſam
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              conflatum nihil aquæ contineret. </s>
              <s>Quan­
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              quam non nego grauitatem illam cupri iņ
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              aquâ eſſe æqualem grauitati molis aqueæ vas
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              implentis, ſi illa extra aquam in aere
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              transferatur; eſt enim moles aquæ vas im­</s>
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