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

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            <p type="main">
              <s id="s.000668">
                <pb pagenum="133" xlink:href="010/01/141.jpg"/>
              ſitum luci impedire, & componunt apparentiam il­
                <lb/>
                <arrow.to.target n="marg165"/>
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              lam vnius ſubſtantiæ raræ, & expanſæ, vti pariter
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              multoties accidit in tempore pluuiæ, quo guttæ
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              aquæ decidentes ab inuicem ſeparatę, ſi à loco aliquo
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              diſtanti, & remoto inſpiciantur, ſimillimæ videntur
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              nebulis, & fumo. </s>
            </p>
            <p type="margin">
              <s id="s.000669">
                <margin.target id="marg165"/>
              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.000670">
                <emph type="center"/>
              PROP. LXV.
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              </s>
            </p>
            <p type="main">
              <s id="s.000671">
                <emph type="center"/>
                <emph type="italics"/>
              Fumus non eſt res accenſa, & quamobrem ab ambiente ac­
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              re ſursùm exprimi poteſt.
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                <emph.end type="center"/>
              </s>
            </p>
            <p type="main">
              <s id="s.000672">QVòd poſtea partes minimæ fumum componen­
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              tes non ſint adhùc accenſæ, experientia
                <expan abbr="cõſtat">conſtat</expan>
              ,
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              quia videmus multoties fumum accendi, atque in­
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              flammari
                <expan abbr="quãdo">quando</expan>
              eum
                <expan abbr="tãgit">tangit</expan>
              flamma viua alicuius can­
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              delæ, prætereà videtur quoque impoſſibile fumum
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              eſſe rem accenſam, quia nimirùm fumus gignitur in
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              cauitatibus, atque poroſitatibus internis ſigni, vel
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              cuiuslibet alterius corporis fumum eructantis, ſed
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              in hiſce locis anguſtis reſtrictiſque nedum fumus ac­
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              cendi non poteſt, vt è contrà flammæ ipſæ iam
                <expan abbr="accẽ-ſæ">accen­
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                ſæ</expan>
              in eiſdem locis anguſtis concluſiſque momento
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              extinguantur, ſuffocenturque; imò licet concauita­
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              tes cauernoſæ ſint amplę, vt eſt cauitas alicuius later­
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              næ vndique occluſæ, ſubitò
                <expan abbr="flãma">flamma</expan>
              extinguitur,
                <expan abbr="quã-tò">quan­
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                tò</expan>
              magis hoc fieri debet quando cauitates, & poro­
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              ſitates ſunt reſtrictæ, & anguſtiſſimæ, vt ſunt pori li­
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              gni, vel alterius conſimilis corporis. </s>
              <s id="s.000673">Licèt ergo præ­
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              dicta fragmenta exigua fumum componentia
                <expan abbr="">non</expan>
              ſint </s>
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        </body>
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