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

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              <s>
                <pb xlink:href="018/01/200.jpg" pagenum="186"/>
              ac marmorum. </s>
              <s>Quarè ſi tribus orbis qua­
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              drantibus argillæ grauitas tribuatur, maxi­
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              mè probabili coniecturâ vti videatur, qui ſi
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              opinetur.
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                <arrow.to.target n="note87"/>
              </s>
            </p>
            <p type="margin">
              <s>
                <margin.target id="note87"/>
                <emph type="italics"/>
              XXCVII
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              Globus ter­
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              renus in ea
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              hypotheſi in
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              nataturus
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              aquæ vide­
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              tur.
                <emph.end type="italics"/>
              </s>
            </p>
            <p type="main">
              <s>Quoniam verò aquæ grauitas ad argillæ
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              grauitatem in aëre, vt olim me dicere me­
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              mini, eſt vt 16 ad 27, poſitâ aquæ grauita­
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              te 5 1/3, argillæ grauitas in aere eſt 9: igitur
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              argillæ grauitas in aquâ eſt 3 2/3. Tres itaque
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              partes orbis ſi per 3 2/3 ducantur, erit grauitas
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              11, & vna pars ignis eſt leuitatem habens
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              ——100: ſi addantur, erit globi huius con­
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              flati ex hac variâ corporum miſcellâ leuitas
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              ——89 intrà aquam: ac proinde ſi aqua v­
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              nam in partem ſecederet, tellure translatâ,
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              globus hic innataret, cum leuior ſit aquâ. </s>
              <s>
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              Nam ſi comparetur grauitas abſoluta aquæ
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              ſecundùm molem æqualis toti globo, cum
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              grauitate abſolutâ ipſius globi, reperietur diſ­
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              ferentia 89. Quia enim ignis leuitas ad aquam
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              eſt——100, aquæ grauitas ad ignem eſt +
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              100: quia verò argillæ grauitas ad aquam eſt
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              3 2/3, argillæ grauitas ad ignem eſt 103 2/3 At­
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              qui tres globi partes ex hypotheſi ſunt argil­
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              la, reliqua pars eſt ignis, igitur ſi argillæ gra­
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              uitas 103 2/3 ducatur per 3, erit globi grauitas
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              311: ſi verò aquæ grauitas ad ignem 100 </s>
            </p>
          </chap>
        </body>
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