Borelli, Giovanni Alfonso, De motionibus naturalibus a gravitate pendentibus, 1670

Table of figures

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              <s id="s.001805">
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              minùs comprimi deberent, quàm ab aere copioſo, &
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              maximè condenſato, igitur in vaſe Torricelliano,
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              facto vacuo, vbi nullæ, aut ſaltèm exiliſſimæ aeris
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              particulæ reperiuntur, minùs eleuari, & magis
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              contuſæ eſſe deberent, aut valdè diminutos, &
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              exiguos globulos efficere deberent prædictę aqueæ
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              guttulæ à folijs braſſicæ ſuſtentatæ, quàm illæ, quæ
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              ab aere valdè condenſato ope follium, vel
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                ti</expan>
              pneumatici in aliquo vaſe, quod tamen
                <expan abbr="falſiſſimũ">falſiſſimum</expan>
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              eſt, ęquè enim tumidæ ſphæricè ſuſpenduntur, & ad
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              eandem altitudinem, &
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              eleuantur gut­
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              tæ aqueæ in vacuo Torricelliano ab aere rariſſimo,
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              quàm ab aere valdè denſo, & conſtipato, vt in Aca­
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              demia experimentali Medicea experti ſumus. </s>
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              <s id="s.001806">
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              Cap. 8. cur
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              exiguæ aquæ
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              guttæ ſupra
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                <expan abbr="libellã">libellam</expan>
              aquæ
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              aſcendunt.</s>
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              PROP. CLXIV.
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            <p type="main">
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              Vt partes elementi aquæ ſphæricè circa centrum terræ con­
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              tornentur, oportet vt vires motiuæ earum versùs
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                trum</expan>
              non ſint ſemper inter ſe æquales, ſed ha­
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              beant eamdem proportionem quam ea­
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              rum diſtantiæ à centro.
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            <p type="main">
              <s id="s.001809">AD hæc poterit euidenti demonſtratione (niſi
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              fallor) euinci aqueas guttas non conglobari
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              ſphæricè à vi externa aeris compreſſiua. </s>
              <s id="s.001810">Si enim per­
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              pendamus, quare vniuerſum aquæ elementum circą
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              centrum syſtematis elementaris ſphæricè congloba­
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              tur, percipiemus hoc effici quia partes aquæ habent
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              vim ſemouendi directè versùs centrum terræ, eſtque </s>
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