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

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    <archimedes>
      <text>
        <body>
          <chap>
            <p type="main">
              <s id="s.000709">
                <pb pagenum="141" xlink:href="010/01/149.jpg"/>
                <arrow.to.target n="marg175"/>
              </s>
            </p>
            <p type="margin">
              <s id="s.000710">
                <margin.target id="marg173"/>
              Concluditur
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              quod ex ſi­
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              gura acumi­
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              nata flammæ
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              lucernæ non
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              euincitur
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              hanc à vi le­
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              uitatis
                <expan abbr="afcẽ-dere">afcen­
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                dere</expan>
              .</s>
            </p>
            <p type="margin">
              <s id="s.000711">
                <margin.target id="marg174"/>
              Præterea all­
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              quæ flammæ
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              candelæ ſunt
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              rotundæ, &
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              flammæ ca­
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              mini ſunt al
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              terius figu­
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              ræ.</s>
            </p>
            <p type="margin">
              <s id="s.000712">
                <margin.target id="marg175"/>
              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.000713">
                <emph type="center"/>
              PROP. LXX.
                <emph.end type="center"/>
              </s>
            </p>
            <p type="main">
              <s id="s.000714">
                <emph type="center"/>
                <emph type="italics"/>
              Flammain ſpiritu vini accenditur extra, & longè ab ipſo­
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              ſpiritu, & ideò poteſt exprimi ſursùm
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              ab ambiente aere.
                <emph.end type="italics"/>
                <emph.end type="center"/>
              </s>
            </p>
            <p type="main">
              <s id="s.000715">VIdeamus modò an ex accenſione vini ſpiritus
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              deducatur aſſertio leuitatis poſitiuæ. </s>
              <s id="s.000716">Et hic
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              denuò dico, quòd flamma ſpiritus vini non eſt actu
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              accenſa in poris internis prædicti liquoris, ſed ſicuti
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              de fumis lignorum dictum eſt, educitur è ſpiritus vi­
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              ni fiuore fumoſa quædam maſſa rariſſima, quæ in po­
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              roſitatibus fluoris cùm retineri nequeat, ruptis car­
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              cerum repagulis ingenti impetu per orificia poroſa
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              vndique fluorem ambientia eructat, & poſtmodum̨
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              flammam concipit, accenditurque in aliqua ſenſibi­
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              li diſtantia à dicto fluore: hoc confirmatur exemplo
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              illius effluuij fumoſi, egredientis ab aliqua titionis
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              poroſitate, quod poſtmodum accenditur in diſtan­
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              tia vnius digiti ab ipſo ligno, & ſpeciem præbet flu­
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              oris bitumino ſi lateralitèr defluentis, qui in aerę
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              ignem concipiat. </s>
              <s id="s.000717">Cùm igitur ab omnibus poroſita­
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              tibus ſpiritus vini, & cuiuslibet materiei accenſibi­
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              lis vndequaque ſursùm, deorsùm, & lateralitèr fu­
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              moſæ exhalationes egrediantur, quæ poſtea in ipſo
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              aere aperto inflammentur, & accendantur, non vi­
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              detur difficile vt aer poſſit infra flammam accenſam,
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              & lateralitèr eam comprimere, & proinde expreſſio­
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              ne facta eam ſursùm impellere: &
                <expan abbr="notandũ">notandum</expan>
              eſt, quòd </s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>