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

Page concordance

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                <pb pagenum="97" xlink:href="010/01/105.jpg"/>
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              ſubſtantia corporea AB minor ea quæ continetur in
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              AC, ergò impetus F minor eſt quàm E; quaproptèr
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              lignum A intrà mercurium C
                <expan abbr="translatũ">translatum</expan>
              ſursùm
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                dere</expan>
              debet tardiori, & minori velocitate, quàm ſit
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              velocitas E, quæ
                <expan abbr="cõpetit">competit</expan>
              ligno aſcendenti in aqua B. </s>
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            <p type="margin">
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              Cap. 4. poſi­
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              tiuam leui­
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              tatem noņ
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              dari.</s>
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              De vi per­
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              cuſſionis pro
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              poſit. </s>
              <s id="s.000477">15.</s>
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            <p type="margin">
              <s id="s.000478">
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              Cap. 4. poſi­
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              tiuam leui­
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              tatem noņ
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              dari.</s>
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            <p type="main">
              <s id="s.000479">Et profectò euidentiſſimum eſt, quòd quodlibet
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              corpus à principio intrinſeco motu ſpontaneo trans­
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              latum, multò faciliùs gradietur excurretque per me­
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              dium fluidum rarius, & cedens, quàm in medio flui­
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              do tenaciori, & craſſiori, vt pila aurea celeriùs per
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              aerem, quàm per aquam eiuſdem ſpatij deſcendit, &
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              per aquam velociori motu, quàm per mercurium ex­
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              currit; ſic paritèr videmus animalia, quæ intrinſecą
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              vi mouentur, difficiliùs gradi poſſe, ſi infra arenam̨
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              ſub mergantur, & minùs difficilè infrà lutum, & fa­
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              ciliùs in aqua, & multò faciliùs in aere, nec
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              contrarium contingere poterit, quòd nimirùm idem
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              animal eamdem vim motiuam exercendo difficiliùs
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              & tardiùs moueatur per aerem, quàm per aquam, &
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              difficiliùs per aquam, quàm per lutum, aut per hy­
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              drargyrum. </s>
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            <p type="main">
              <s id="s.000480">
                <emph type="center"/>
              PROP. XLIII.
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              </s>
            </p>
            <p type="main">
              <s id="s.000481">
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              Non moueri ſursùm corpora, quæ leuia appellantur, à vi
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              intrinſeca leuitatis.
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                <emph.end type="center"/>
              </s>
            </p>
            <p type="main">
              <s id="s.000482">HIs poſitis conſideremus modò ceram, aut veſi­
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              cam aere plenam
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              per diuerſa me­
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              dia fluida, ſi
                <expan abbr="verũ">verum</expan>
              eſt, quòd aerea veſica ſursùm
                <expan abbr="aſcẽ-">aſcen-</expan>
              </s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>