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

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    <archimedes>
      <text>
        <body>
          <chap>
            <p type="main">
              <s id="s.000688">
                <pb pagenum="137" xlink:href="010/01/145.jpg"/>
                <arrow.to.target n="marg169"/>
              </s>
            </p>
            <p type="margin">
              <s id="s.000689">
                <margin.target id="marg169"/>
              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.000690">
                <emph type="center"/>
              PROP. LXVIII.
                <emph.end type="center"/>
              </s>
            </p>
            <p type="main">
              <s id="s.000691">
                <emph type="center"/>
                <emph type="italics"/>
              Flamma rarior fumo minus ſpatium occupat ob
                <expan abbr="maximã">maximam</expan>
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              eius velocitatem, redditurque poſtea inuiſibilis noua
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              de cauſa, & tactui languida ob eius
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              diſperſionem.
                <emph.end type="italics"/>
                <emph.end type="center"/>
              </s>
            </p>
            <p type="main">
              <s id="s.000692">OBſeruatur profectò titionem fumi copiam
                <expan abbr="ingẽ-tem">ingen­
                  <lb/>
                tem</expan>
              euomere, ſed ſi denuò eius flamma reui­
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              uiſcat, hęc mirabili velocitate fumi illius vaſtam mo­
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              lem abſumere videtur, eumque in exiguum ſpatium
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              flammæ concludere, cùm reuera non ſit reſtrictio,
                <lb/>
              flamma enim maiorem raritatem habet, quàm fumus,
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              pendet ergo hoc ab ineffabili velocitate partium̨
                <lb/>
              flammæ. </s>
              <s id="s.000693">aliundè enim notum eſt per reſtrictum flu­
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              minis canalem molem ampliſſimam aquæ totius flu­
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              minis pertranſire, non quia in exiguo, & reſtricto illo
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              ſpatio canalis condenſetur tota aqua fluuij, ſed quia
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              velociſſimo motu per eum excurrit; cùm è contrà in
                <lb/>
              parte ampla fluuij aqua lentiſſimo curſu progredia­
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              tur, ſic paritèr in fumo particulæ eius lento, & tardo
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              gradu excurrentes amplum, & grande ſpatium oc­
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              cupabant, in flamma verò
                <expan abbr="eædẽ">eædem</expan>
              particulæ veluti per
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              ſtrictiſſimum canalem mirabili, & ineffabili veloci­
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              tate currunt, & ſic poſſunt exiguum ſpatium comple­
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              re. </s>
              <s id="s.000694">Sed quare flamma vltra verticem eius non exten­
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              ditur, neque viſibilis redditur? </s>
              <s id="s.000695">hìc primò
                <expan abbr="dicendũ">dicendum</expan>
              ,
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              quòd reuerà flamma producitur vltra eius verticem
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              per notabile ſpatium, & hoc quidem percipitur non </s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>