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

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              <s id="s.000717">
                <pb pagenum="142" xlink:href="010/01/150.jpg"/>
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                <lb/>
              expreſſio, quæ ab aere efficitur, non ſemper aſſimila­
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              tur ei, quæ ex compreſſione poſtica digitorum crea­
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              tur, veluti prunorum nucleos à digitis poſticè com­
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              preſſis pueri proijcere longè ſolent, vtque aduerſa­
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              rius exiſtimabat, ſed expulſio, & expreſſio flammæ
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                <arrow.to.target n="marg177"/>
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              facta ab aere circumfuſo fit, vt exigit ratio mechani­
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              ca ſiphonis ſursùm inuerſi vt ex elementis hidroſta­
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              ticis conſtat, vtque meliùs inferiùs declarabitur vn­
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              de malè infertur, quòd ſi flamma expulſa eſſet ab am
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              biente aere, deberet fieri acuminata in eius baſi, &
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              rotunda in eius vertice. </s>
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            <p type="margin">
              <s id="s.000718">
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              Cap. 4. poſi­
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              tiuam leui­
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              tatem noņ
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              dari.</s>
            </p>
            <p type="margin">
              <s id="s.000719">
                <margin.target id="marg177"/>
              Cap. 2.</s>
            </p>
            <p type="main">
              <s id="s.000720">
                <emph type="center"/>
              PROP. LXXI.
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              </s>
            </p>
            <p type="main">
              <s id="s.000721">
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                <emph type="italics"/>
              Flamma in ſpiritu vini accenſa non debet ab aere incum­
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              bente contundi, cùm ab eius pondere non exprimatur
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              ſursùm, ſed ab aere collaterali infernè reflexo.
                <emph.end type="italics"/>
                <emph.end type="center"/>
              </s>
            </p>
            <p type="main">
              <s id="s.000722">POſtrema inſtantia, quòd aer flammæ
                <expan abbr="ſuperincũ-bens">ſuperincun­
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                bens</expan>
              potiùs eam deberet contundere, & dila­
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              tare, & deorsùm eam diuerberare,
                <expan abbr="nõ">non</expan>
              autem in acu­
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              tiem ſublimare, facilè ſoluitur, quia aer fluidus non
                <lb/>
              ſolùm ſupremus, & flammæ incumbens, ſed etiam̨
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              lateralis, & infimus ob eius grauitatem ad modum̨
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              ſiphonis, vel libræ non poteſt contundere
                <expan abbr="flammã">flammam</expan>
              ,
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              ſed eam ſursùm exprimere, & impellere debet, at­
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              que aer ſupernus neceſſariò ad latera excurrere de­
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              bet, & tranſitum minùs ponderoſæ flammæ
                <expan abbr="aſcendẽ-ti">aſcenden­
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                ti</expan>
              concedere; nec obſtaculum aliud ei inferet, præ­
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              terquàm contuſionem ſupremæ aciei flammæ, vt ni-</s>
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        </body>
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