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

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                <pb xlink:href="018/01/192.jpg" pagenum="178"/>
              ex aſſiduâ plurimorum annorum obſeruatio­
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              ne id ſibi innotuiſſe, cum videret Lunam
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              ad intimam, hoc eſt concauam, huius cru­
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              ſtæ ſuperficiem ita motus ſuos temperate, vt
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              creet admirabilem illam librationem, quæ
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              torquet Aſtronomico-Phyſicorum ingenia:
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              cuius motûs hypotheſes nondum, quod
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              ſciam, publici iuris fecit.
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                <arrow.to.target n="note84"/>
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            <p type="margin">
              <s>
                <margin.target id="note83"/>
                <emph type="italics"/>
              LXXXIII
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              Ignis ſub­
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              terraneus
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              est quarta
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              pars globi
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              terreni ex
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              ſententią
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              VVendeli­
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              ni
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            <p type="margin">
              <s>
                <margin.target id="note84"/>
                <emph type="italics"/>
              LXXXIV
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              Tenteatur
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              innestigatio
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              leuitatis i­
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              gnis.
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              </s>
            </p>
            <p type="main">
              <s>Nollem tamen, Guldine, eam tantùm̨
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              igni leuitatem tribueres, quam aëri ignito
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              intrà Æolipilam candentem conuenire ob­
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              ſeruaui: longè enim maiore leuitate prædi­
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              tam ignis ſubſtantiam ſtatuere æquum vide­
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              tur, quàm ſit leuitas aëris per vim à calorę
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              extrinſecùs adueniente rarefacti. </s>
              <s>Nam cum
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              aquæ intrà Æolipilam exſuctæ pondus fue­
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              rit granorum 5425, facilè reperiemus illius
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              ſoliditatem; in pede ſiquidem cubico ſunt
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              digiti ſolidi 4096: Et quia pes cubicus aquæ
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              habet in pondere lib. Rom. 80, quarum ſin­
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              gulæ ſunt vnc. </s>
              <s>12, hoc eſt gran. 6912, to­
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              tius pedis cubici aquæ pondus eſt gran.
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              552960. Si igitur grana 552960 dant digi­
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              tos ſolidos 4096, grana 5425 dabunt di­
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              gitos ſolidos (40 5/27). Quis autem ſubſtantiæ
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              ignis habenti in mole 40 & eo amplius digi­
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              tos ſolidos, non facilè tribuat longiſsimè </s>
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          </chap>
        </body>
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