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

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            <p type="main">
              <s id="s.001268">
                <pb pagenum="246" xlink:href="010/01/254.jpg"/>
                <arrow.to.target n="marg330"/>
                <lb/>
              ſe parat particulas aliquas aeris ibidem relictas, ita­
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              que intercapedines, quæ ſeparant aeris particulas,
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              partim occupantur ab igne, partim ab inani ſpatio,
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              dum igneæ particulæ motu velociſſimo conuertun­
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              tur, & vertigines complent, intercipiendo grandia
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              ſpatia inania; vndè malè hinc infertur raritas maxima
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              ad quam aer ampliari poteſt. </s>
            </p>
            <p type="margin">
              <s id="s.001269">
                <margin.target id="marg330"/>
              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
                <lb/>
              eius.</s>
            </p>
            <p type="main">
              <s id="s.001270">
                <emph type="center"/>
              PROP. CXVII.
                <emph.end type="center"/>
              </s>
            </p>
            <p type="main">
              <s id="s.001271">
                <emph type="center"/>
                <emph type="italics"/>
              Secunda Merſenni experientia in ſclopeto pneumatico
                <lb/>
              fact a dubia quoque eſt.
                <emph.end type="italics"/>
                <emph.end type="center"/>
              </s>
            </p>
            <p type="main">
              <s id="s.001272">MElior eſt ſecunda Merſenni experientia dùm̨
                <lb/>
              in bombarda, ſeu ſclopeto pneumatico ma­
                <lb/>
              gno conatu immiſit vaſtam aeris molem, quæ in exi­
                <lb/>
              guo ſpatio condenſata fuit, aitque pondus ſexagin­
                <lb/>
              ta
                <expan abbr="granorũ">granorum</expan>
              aeris incluſiſſe in cauitate catapultæ, quæ
                <lb/>
              ab 8. vncijs aquæ impleri poterat, hinc deducit ae­
                <lb/>
              rem in ſclopeto immiſſum adeò condenſari vt quin­
                <lb/>
              decies ſpatium internum catapultæ expleat; proin­
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              de que tres digitos cubicos aeris ferè
                <expan abbr="põderare">ponderare</expan>
              gra­
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              num vnum. </s>
              <s id="s.001273">Sed ex tanto apparatu tandem Merſen­
                <lb/>
              nus nil certi colligit, cùm afferat innumeras difficul­
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              tates, & ingenuè fateatur, ſemper dubitari poſſe an
                <lb/>
              intra catapultæ cauitatem vnà cum aere inſuffletur
                <lb/>
              particula aliqua oleaginoſa, vel aquea, quandoqui­
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              dem epiſtomium emboli humectari debetin eius ſu­
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              perficie coriacea, vt omninò rimæ claudantur, vt re­
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              greſſus aeris prohibeatur. </s>
            </p>
          </chap>
        </body>
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