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

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        <body>
          <chap>
            <p type="main">
              <s id="s.000618">
                <pb pagenum="124" xlink:href="010/01/132.jpg"/>
                <arrow.to.target n="marg154"/>
                <lb/>
                <emph type="italics"/>
              ret, inuerſa flammæ figuræ eſſet, aut certè inferior pars non
                <lb/>
              minùs quàm ſuperior acuminata, vt fit in omnibus non du­
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              ris quando per expresſionem ſursùm iaciuntur. </s>
              <s id="s.000619">
                <expan abbr="Secũdò">Secundò</expan>
              quin­
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              ta eſſentia vini in lapide accenſa ſursùm fertur non per ex­
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              presſionem, ſed inſita leuitate, aer enim exprimens, vel
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              eſſet ſub baſi ignis auolantis, & illum protruderet, quod eſt
                <lb/>
              falſum; vel ſuperincumbens grauitando hanc
                <expan abbr="expresſionẽ">expresſionem</expan>
                <lb/>
              efficeret; neque hoc, quia ſic aer vertici ignis incumbens eum
                <lb/>
              deprimeret potiùs, ac reuerberaret deorsùm, quàm ſursùm.
                <emph.end type="italics"/>
              </s>
            </p>
            <p type="margin">
              <s id="s.000620">
                <margin.target id="marg153"/>
              Noua argu­
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              menta pro
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              leuitate po­
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              ſitiua
                <expan abbr="afferũ-tur">afferun­
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                tur</expan>
              .</s>
            </p>
            <p type="margin">
              <s id="s.000621">
                <margin.target id="marg154"/>
              Cap. 4. poſi­
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              tiuam leui­
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              tatem noņ
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              dari.</s>
            </p>
            <p type="main">
              <s id="s.000622">
                <emph type="center"/>
              PROP. LX.
                <emph.end type="center"/>
              </s>
            </p>
            <p type="main">
              <s id="s.000623">
                <emph type="center"/>
                <emph type="italics"/>
              Flammam in camino ab expresſione ambientis aeris
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              ſursùm impelli.
                <emph.end type="italics"/>
                <emph.end type="center"/>
              </s>
            </p>
            <p type="main">
              <s id="s.000624">PRimæ difficultati, quòd nimirum flamma lucer­
                <lb/>
              næ in aere quieto, & tranquillo moueatur ſur­
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              sùm ſponte, non verò per extruſionem factam ab ae­
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              re ambiente, ſatisfacere nitemur adducendo experi­
                <lb/>
              menta aliqua. </s>
              <s id="s.000625">Videmus enim maiores, & ampliores
                <lb/>
              flammas in caminis accenſas non vigere, nec diutiùs
                <lb/>
              perſeuerare niſi adſit aditus aeri de foris aduenienti,
                <lb/>
              per quem ingrediatur ventus perpetuus, qui inter
                <lb/>
              crura, & fœmora ignem
                <expan abbr="circumſtãtium">circumſtantium</expan>
              excurrit ver­
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              sùs flammam, eſtque euidentèr ſenſibilis, nam ſi cu­
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              biculi oſtium claudatur extenſo panno, vel cortina,
                <lb/>
              vt fieri ſolet, hęc inflatur verſus ignem camini, vt ve­
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              lum nauis; imò in cubiculis vndiquè diligentèr clau­
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              ſis, in quibus aer externus ſubingredi nequeat non
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              poterit flamma ſursùm impelli ab aere, quin cubi-</s>
            </p>
          </chap>
        </body>
      </text>
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