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

Table of figures

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[181. Figure]
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[183. Figure]
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              <s id="s.001181">
                <pb pagenum="230" xlink:href="010/01/238.jpg"/>
                <arrow.to.target n="marg307"/>
                <lb/>
              quanta eſt grauitas omnium columnarum SD; itaque
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              grauitas omnium columnarum appellari poteſt cau­
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              ſa productiua illius compreſſionis, quam facit infi­
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              mus cylindrulus GD mercurio immediatè
                <expan abbr="cõtiguus">contiguus</expan>
              ,
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              quia verò huiuſmodi effectus remanet, quando clau­
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              ditur orificium G, remouenturque columnæ ſupre­
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              mæ, igitur æquali vi, & æquali menſura debet mer
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              curius BF ſublimari. </s>
              <s id="s.001182">Id ipſum dici debet de aere SD,
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              certum profectò eſt dum orificium G eſt apertum cy­
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              lindrum aereum GS vſque ad aeris ſupremam ſuper­
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              ficiem extenſum comprimere cylindrulum aereum̨
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              GD tanta vi quanta exigit energia grauitatis aeris
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              SG, quando verò digito, vel operculo impeditur
                <expan abbr="cõ-tactus">con­
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                tactus</expan>
              , & compreſſio aeris ſupremi SG remanet cy­
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              lindrulus aereus GD eodem modo compreſſus reſtri­
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              ctuſque, ac prius igitur neceſſario eodem modo ſub­
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              iectum mercurium D premet proindeque ad
                <expan abbr="eamdẽ">eamdem</expan>
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              altitudinem BF eum ſubleuabit. </s>
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            <p type="margin">
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              Cap. 5. de ae
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              ris grauitate
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              æquilibrio,
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              ſtructura, &
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              vi elaterią
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              eius.</s>
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            <p type="margin">
              <s id="s.001184">
                <margin.target id="marg307"/>
              Cap. 5. de ae
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              ris grauitate
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              æquilibrio,
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              ſtructura, &
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              vi elaterią
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              eius.</s>
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              <s id="s.001185">
                <emph type="center"/>
              PROP. CX.
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            <p type="main">
              <s id="s.001186">
                <emph type="center"/>
                <emph type="italics"/>
              Idipſum confirmatur in aquæ.
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                <emph.end type="center"/>
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            <p type="main">
              <s id="s.001187">VEritas huius aſſerti alio experimento confirma­
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              tur: Demergatur in aliquo puteo RV aqua ple­
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              no eadem fiſtula ABG cum mercurio extante FB, vi­
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              demus quod aliquantiſper mercurius infra libellam
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              D deprimitur à pondere
                <expan abbr="incũbentis">incumbentis</expan>
              aquæ ND, quæ
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              paritèr altiùs
                <expan abbr="mercuriũ">mercurium</expan>
              in fiſtulam ſubleuat per ſpa­
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              tium BH, vt nimirùm exceſſus FH ſupra eam eleua-</s>
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