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

Table of figures

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    <archimedes>
      <text>
        <body>
          <chap>
            <p type="main">
              <s id="s.000659">
                <pb pagenum="131" xlink:href="010/01/139.jpg"/>
              ma corpus fluidum, & rarum eſt, cuius continentèr
                <lb/>
                <arrow.to.target n="marg163"/>
                <lb/>
              vna pars poſt aliam generatur, & eructatur à po­
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              ris eiuſdem titionis, pariterque fumum leuitatem̨
                <lb/>
              poſitiuam habere, & exercere
                <expan abbr="ſupponũt">ſupponunt</expan>
              non minùs,
                <lb/>
              quàm flamma habet, igitur neceſſariò fumus aſcen­
                <lb/>
              dens, & digrediens à titione deberet formam pyra­
                <lb/>
              midalem acquirere ſimilem ei, quam flamma lucer­
                <lb/>
              næ habet, deberetque paritèr in acumen ſubtile ſu­
                <lb/>
              periùs deſinere, quod profectò eſt falſum, & contra
                <lb/>
              ſenſus euidentiam, proſequitur enim fumus ſuum̨
                <lb/>
              iter longo tractu ſursùm abſque eo quòd in acumen
                <lb/>
              reducatur. </s>
            </p>
            <p type="margin">
              <s id="s.000660">
                <margin.target id="marg163"/>
              Cap. 4. poſi­
                <lb/>
              tiuam leui­
                <lb/>
              tatem noņ
                <lb/>
              dari.</s>
            </p>
            <p type="main">
              <s id="s.000661">Id ipſum continget, ſi fiſtula aliqua aer in fundo
                <lb/>
              aquæ inſuffletur,
                <expan abbr="conſpiciẽtur">conſpicientur</expan>
              enim eleuari innume­
                <lb/>
              ræ ampullæ aereę, quæ ab inuicem ſeparantur abſ­
                <lb/>
              que eo quòd pyramidalem figuram acquirant, licèt
                <lb/>
              aer non minùs quàm flamma leuis reputetur, & ab in­
                <lb/>
              trinſeco principio ſursùm moueri credatur, cùmque
                <lb/>
              vna, & eadem cauſa non poſſit diuerſos effectus pro­
                <lb/>
              ducere, concedant neceſsè eſt, figuram, quam in
                <expan abbr="flã-ma">flam­
                  <lb/>
                ma</expan>
              obſeruamus diuerſam à figura fumi, & aeris per
                <lb/>
              aquam aſcendentis ab alia cauſa longè diuerſa de­
                <lb/>
              pendere, non autem à prædicto principio intrinſeco
                <lb/>
              leuitatis. </s>
            </p>
            <p type="main">
              <s id="s.000662">Et profectò ſi attentè perpendamus fumi, & flam­
                <lb/>
              mæ conſiſtentias, valdè inter ſe differre reperiemus,
                <lb/>
              licèt ambo ſint corpora rara, & fluida. </s>
            </p>
          </chap>
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