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

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            <p type="main">
              <s>
                <pb xlink:href="018/01/212.jpg" pagenum="198"/>
              què vniri; ibi verò res tota perficitur, quò
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              ſolis calor pertingere nequit: quamobrem
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              cum in tantá à centro diſtantiâ producantur
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              metalla, totque milliarium craſſitudinem̨
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              permeet calor, haud ægrè venio in doctiſſi­
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              mi Wendelini ſententiam, ſi maximè cum
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              Lunæ libratione cohæreat. </s>
              <s>Sed quoniam
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              ignis ille acerrimus eſt (quò autem tenuior
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              ignis, eò languidior eſt) non adeò multam
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              fortaſsè tenuitatem obtinet, vt eius leuitas ad
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              aquam ſit vt auri grauitas ad aerem, quem­
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              admodum aſſum pſiſtis. </s>
              <s>Animum autem
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              aduertite, vtrùm eam potiùs Rationem ha­
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              beat ignis leuitas ad aëris leuitatem in aquâ,
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              quam habet terræ ſeu argillæ grauitas ad
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              aquæ grauitatem in aere. </s>
            </p>
            <p type="main">
              <s>
                <emph type="italics"/>
              Guld.
                <emph.end type="italics"/>
              </s>
              <s> Si me audieritis, nullas hìc conie­
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              cturas conſectabimur, præter eam, quam
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              olim à nobis conſtitutam nemo facilè infi­
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              cietur, videlicet telluris globum vniuerſum
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              in aere grauitate argillaceâ præditum eſſę.
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                <arrow.to.target n="note93"/>
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              Globi ſoliditatem inueſtigemus, eamquę
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              per ſpecificam argillæ grauitatem ducamus;
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              ex quo innoteſcet abſoluta grauitas globi:
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              Hinc demamus abſolutam aquæ grauitatem,
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              quæ obtinetur ductâ aquæ ſpecificâ grauitate
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              in eius ſoliditatem. </s>
              <s>Reſiduum grauitatis ab­
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              ſolutæ globi diuiſum per reſiduum ſoliditatis </s>
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          </chap>
        </body>
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