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

Table of figures

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              <s id="s.001112">
                <pb pagenum="216" xlink:href="010/01/224.jpg"/>
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              compertam alij cauſæ nempe grauitati ipſius mer­
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              curij BC intra fiſtulam contenti. </s>
              <s id="s.001113">Hoc profectò con­
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              firmatur ex eo, quod prædicta fiſtula à digito ſuſten­
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              tata exercet ſuam compreſſionem contra pulpæ di­
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              giti extremitatem, quæ à perimetro orificij vitri
                <expan abbr="tã-gitur">tan­
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                gitur</expan>
              , & contunditur: non autem contra mediam pul­
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              pæ digiti partem, quæ ab ingenti pondere trium li­
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              brarum mercurij v. g. magis, & euidentius compri­
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              mi deberet quàm grauentur ambientes pulpæ digi­
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              ti partes à perimetro oriſicij vitri trium vnciarum. </s>
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            <p type="margin">
              <s id="s.001114">
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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.001115">
                <margin.target id="marg287"/>
              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.001116">Hanc euidentiſſimam demonſtrationem conatur
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              aduerſarius refellere, ait enim,
                <emph type="italics"/>
              hoc facilè reijcitur nem­
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              pè æqualis cylindrus aeris incumbit baſi ſupremæ obstructæ
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              fistulæ ſiue mercurio, ſiue aqua, ſiue aere fi­
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              ſtula plena ſit, vt patet. </s>
              <s id="s.001117">Vnde ſi
                <expan abbr="quẽ">quem</expan>
              haberet
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              effectum, eumdem ſemper haberet, ſed hæc
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              inſtantia futilis est, quare in ea diutiùs mi­
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              nimè hærendum.
                <emph.end type="italics"/>
              </s>
              <s id="s.001118"> Sit fiſtula AC plena ae­
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              re non mercurio ſuſtenteturque infer­
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              nè eius orificium C à ſubiecta digiti
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              pulpa, concedo, quod ſupernè digi­
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              tus premitur à columna aeris SAC, pa­
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              riterque
                <expan abbr="cõprimitur">comprimitur</expan>
              à vitri fiſtula AC,
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              quidnam ex hoc deducit aduerſarius?
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              </s>
              <s id="s.001119">dicet, quod tantumdem ponderis pa­
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              teretur digitus ſubiectus
                <expan abbr="quãdo">quando</expan>
              vitrea
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              fiſtula exinanita eſt, quàm ſi
                <expan abbr="mercuriũ">mercurium</expan>
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                <figure id="id.010.01.224.1.jpg" xlink:href="010/01/224/1.jpg"/>
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              BC contineret, ſcilicèt ſi fiſtula pen­
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              deret duas vncias, & aereus cylindrus SA
                <expan abbr="pẽdat">pendat</expan>
              tres </s>
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