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

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              <s id="s.000123">
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                <lb/>
              conſtituunt, quæ in ſuo centro grauitatis energiam̨
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              vniuerſæ ſuæ compreſſionis exercent, verum tameņ
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              eſt quòd prædicta libra non flectitur, ſed continentèr
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              renouatur in ſitu horizontali, quandoquidem aquą
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              eleuata iam non amplius agit contra preſſionem mer­
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              curij CB vt dictum eſt, propterea quòd æquilibratur
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              cum aqua collaterali ſupra mercurium CB eleuata. </s>
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            <p type="margin">
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              Cap. 2. dę
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              momentis
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              grauium in
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              fluido inna­
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              tantium</s>
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              <s id="s.000125">
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              PROP. IX.
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              Corpus aqua grauius in ea demerſum dum deſcendit consti­
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              tuit cum æqualimole collateralis fluidi libram
                <expan abbr="æqualiũ">æqualium</expan>
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              radiorum, cuius centrum grauitatis continenter
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              deſcendende eleuat leuiorem aquam col­
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              lateralem, ſemperque renouatur
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              horizontalis libra.
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                <emph.end type="center"/>
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              <s id="s.000127">HOc præmiſſo intelligatur iam vas aquà plenum
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              RSTX, & intra eius profunditatem appona­
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              tur priſma marmoreum ABCD, & producantur eius
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              baſes horizontales AB, & CD
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                <figure id="id.010.01.033.1.jpg" xlink:href="010/01/033/1.jpg" number="13"/>
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              vſque ad G & H, atque planum̨
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              AD producatur ſurſum, & deor­
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              ſum vſque ad M, & V perpendi­
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              culariter ad horizontem. </s>
              <s id="s.000128">hic iam
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              habemus
                <expan abbr="ſiphonẽ">ſiphonem</expan>
              oblongum in ſe
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              ipſum circumductum, vt in prę­
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              cedenti propoſitione expoſitum fuit, quia aqua BM
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              GHVC ambit priſma ſupernè, lateraliter, & infernè,
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              nec moueri poteſt
                <expan abbr="deſcẽdendo">deſcendendo</expan>
              priſma AC quin aqua </s>
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          </chap>
        </body>
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