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

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              <s>
                <pb xlink:href="018/01/191.jpg" pagenum="177"/>
              (5 246/1000): Vel ſi per eundem partium numerum
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              diuidatur leuitas abſoluta——8756 2/3, erit ſpe­
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              cifica molis compoſitæ leuitas in aquâ (27/1000).
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              Quarè ſi inter nos conueniat, quota portio
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              terreni huius globi incluſis ignibus tribuen­
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              da ſit, quota aëri cæterisque halitibus aquâ le­
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              uioribus, facilè innoteſcet, vtrùm leuitas vin­
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              cat grauitatem, ducto partium numero per
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              leuitatis aut grauitatis denominatorem. </s>
            </p>
            <p type="main">
              <s>
                <emph type="italics"/>
              Merſ.
                <emph.end type="italics"/>
              </s>
              <s> Quod quidem ſpectat ad ingen­
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              tem illam ignium cauernam, qui terræ cen­
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              trum circumobſident, memini me ab acu­
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              tiſsimo æquè ac diligentiſsimo ſydereorum
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              arcanorum ſcrutatore Gottifredo Wendeli­
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                <arrow.to.target n="note83"/>
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              no aliquid planè ſingulare accepiſſe, quod
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              ſummoperè placuit. </s>
              <s>Hic terræ ſemidiame­
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              trum in partes 100 tribuens, cauernæ æſtuan­
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              tis ſemidiametro partes 63 concedebat, reli­
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              quas 37 denſitati cruſtæ huius extimæ; vnde
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              fit ignem illum eſſe quartam totius globi
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              partem (cubus enim ex 63 eſt ſubquadru­
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              plus cubi ex 100) cum ſit globus ille igneus
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              ad totum globum in triplicatâ ratione dia­
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              metrorum. </s>
              <s>Ne verò id ab ipſo temerè ex­
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              cogitatum videretur, addebat, præter pro­
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              babiles coniecturas & rationes non paucas, </s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>
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