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

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        <body>
          <chap>
            <p type="main">
              <s id="s.000111">
                <pb pagenum="22" xlink:href="010/01/030.jpg"/>
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                <lb/>
              rectà IM parallela funibus, ſeu perpendicularis ad
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              horizontem ſecans KL in M planè ſectæ erunt duæ li­
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              bræ prædictæ in I, & M in eadem proportione reci­
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              proca ponderum ſuſpenſorum, ideoque puncta I, &
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              M erunt centra grauitatum vtriuſque libræ: quare li­
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              cet pondus B aſcendat p BL, tamen verum eſt duo
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              pondera AB in communi centro grauitatis I ſuſpenſa
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              circa centrum firmum G, & in termino fune-penduli
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              GI deſcendere directo motu, & perpendiculari ad
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              horizontem per IM, & hoc erat oſtendendum. </s>
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            <p type="margin">
              <s id="s.000112">
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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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            <p type="margin">
              <s id="s.000113">
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              Cap. 2. dę
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              momentis
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              grauium in
                <lb/>
              fluido inna­
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              tantium</s>
            </p>
            <p type="main">
              <s id="s.000114">Huiuſmodi mechanicæ ſpeculationes maximè
                <expan abbr="cõ-ferunt">con­
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                ferunt</expan>
              ad intelligentiam motus corporum in fluidis,
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              pro cuius declaratione primò conſiderari debet. </s>
            </p>
            <p type="main">
              <s id="s.000115">
                <emph type="center"/>
              PROP. VIII.
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              </s>
            </p>
            <p type="main">
              <s id="s.000116">
                <emph type="center"/>
                <emph type="italics"/>
              Qua ratione fiat Motus fluidi in ſiphone continuato,
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              & in ſeipſum reflexo.
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                <emph.end type="center"/>
              </s>
            </p>
            <p type="main">
              <s id="s.000117">SIt igitur ſipho ABDG in ſe ipſum reflexus cuius
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              brachia lateralia BN & GO directa ſint, in­
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              ter ſe parallela, & ad horizontem perpendiculariter
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              erecta & æquè ampla. </s>
              <s id="s.000118">includatur poſtea gutta aliqua
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              mercurij BC, quæ in fiſtulis anguſtis retinetur in eo­
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              dem ſitu collecta, reliqua verò cauitas eiuſdem fiſtulæ
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              BAGDC repleatur aqua; tunc ductis à punctis B, &
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              C & à
                <expan abbr="cẽtro">centro</expan>
              grauitatis guttæ mercurialis H tribus li­
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              neis rectis parallelis horizonti BG, HI, & CF, & ſec­
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              ta HI bifariàm in L; patet quòd duo grauia, mercu­
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              rius nempe BC, & aqua GF ſuſpenduntur in eadem̨ </s>
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          </chap>
        </body>
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