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

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            <p type="main">
              <s id="s.001221">
                <pb pagenum="237" xlink:href="010/01/245.jpg"/>
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                <lb/>
              hiberi deſcenſum mercurij BF, quæ compreſſio facta
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              fuit à cylindro aereo incumbente SG ope eius na­
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              tiuæ grauitatis. </s>
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            <p type="margin">
              <s id="s.001222">
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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>
            </p>
            <p type="main">
              <s id="s.001223">Non eſt neceſsè vt hìc repetam
                <expan abbr="experimẽta">experimenta</expan>
              innu­
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              mera, quæ paſſim obuia
                <expan abbr="sũt">sunt</expan>
              , de quibus Roberuallius,
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              Merſennus, Pecquetus, Boile, Gaſſendus, & plures
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              alij ſcripſerunt, & tandem prodijt liber experimen­
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              torum noſtræ Academiæ Experimentalis Mediceæ;
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              ex his enim euincitur, ab aere ambiente mercurium̨
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              in fiſtula ſubleuari, quandoquidem quotieſcumque
                <lb/>
              aer exſugitur, ſeu prohibetur eius compreſſio ſuper
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              ſtagnantem mercurium, tunc deprimitur mercurius
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              infra ſupremum ſignum in fiſtula, & ſi hoc fiat in ſpa­
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              tio vacuo, ſcilicèt in loco à quo aer excluſus ſit, tunc
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              quidem mercurius omninò deprimitur, & è contrà
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              adueniente aere ſubitò mercurius in prædicta fiſtula
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              eleuatur. </s>
              <s id="s.001224">idipſum accidit in aqua. </s>
            </p>
            <p type="main">
              <s id="s.001225">
                <emph type="center"/>
              PROP. CXIII.
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              </s>
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            <p type="main">
              <s id="s.001226">
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              Suadetur aeris difformis grauitas ex inæquali mercurij ele
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              uatione in fiſtula, prout altitudo aeris maior, aut mi­
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              nor fuerit.
                <emph.end type="italics"/>
                <emph.end type="center"/>
              </s>
            </p>
            <p type="main">
              <s id="s.001227">PRætere a euidentiſſimum eſt, mercurium in prædi­
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              cta fiſtula eò magis deprimi infra altitudinem̨
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              vnius cubiti, & quadrantis, quò magis
                <expan abbr="inſtrumentũ">inſtrumentum</expan>
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              eleuatur à plano ſubiecto, ſic Dominus Paſchalius in
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              montibus Aruerniæ expertus eſt in radice montis
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              mercurij altitudinem fuiſſe pollicum 27. cum tribus </s>
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        </body>
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