Casati, Paolo, De igne dissertationes physicae, 1686

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            <s xml:id="echoid-s8069" xml:space="preserve">
              <pb o="267" file="0279" n="279" rhead="De Ignis extinctione."/>
            *uit.</s>
            <s xml:id="echoid-s8070" xml:space="preserve">* Vt autem de extincto igne conſtaret, obſcurato cubiculo,
              <lb/>
            ne minima quidem ſcintillula apparuit, & </s>
            <s xml:id="echoid-s8071" xml:space="preserve">adhibita lucerna ne-
              <lb/>
            que tantillum fumi emanantis oſtendit. </s>
            <s xml:id="echoid-s8072" xml:space="preserve">Quare poſt agitatam ad-
              <lb/>
            huc ſexies aut ſepties antliam, reuolutâ epiſtomij claue admiſſus
              <lb/>
            eſt aër; </s>
            <s xml:id="echoid-s8073" xml:space="preserve">& </s>
            <s xml:id="echoid-s8074" xml:space="preserve">ecce extinctus reuixit ignis tum luce ſuâ, tum fumo-
              <lb/>
            rum copiâ ſe prodens. </s>
            <s xml:id="echoid-s8075" xml:space="preserve">Verùm agitatâ denuo antliâ per octauam
              <lb/>
            ferè horæ partem, ita euanuerat ignis, vt admiſſus iterum aër ni-
              <lb/>
            hil proſiceret ad eum exſuſcitandum. </s>
            <s xml:id="echoid-s8076" xml:space="preserve">Porrò cum idem experimen-
              <lb/>
            tum non iam in amplo illo Recipiente, ſed in multò minori vaſe
              <lb/>
            non niſi 24 vnciarum aquæ capaci, inſtitueretur, nunquam
              <lb/>
            fieri potuit, vt priùs obſtruerentur operculi rimæ, quàm ignis
              <lb/>
            plurimo fumo oppreſſus omnino apparere deſineret: </s>
            <s xml:id="echoid-s8077" xml:space="preserve">propterea,
              <lb/>
            licèt extinctus videretur, demum tentatum eſt, an occluſo va-
              <lb/>
            ſe, ſtatimque agitatâ bis terue antliâ, ac per reſeratum epiſto-
              <lb/>
            mium admiſſo aëre reuiuiſceret; </s>
            <s xml:id="echoid-s8078" xml:space="preserve">& </s>
            <s xml:id="echoid-s8079" xml:space="preserve">planè reuixit, nam aër vi *ma-*
              <lb/>
            *gnâ irruens, quaſi per follem traiectus, cineres adbærentes diſper-*
              <lb/>
            *ſit, ignemque penè extinctum redintegrauit; </s>
            <s xml:id="echoid-s8080" xml:space="preserve">idque conſtabat eo,*
              <lb/>
            *quod funis, qui priùs fumare deſierat, fumos de nouo emitte-*
              <lb/>
            *ret.</s>
            <s xml:id="echoid-s8081" xml:space="preserve">* Hac ratione accenſo fune in Recipiente iam clauſo, ſtatim
              <lb/>
            agitari cœpit antlia; </s>
            <s xml:id="echoid-s8082" xml:space="preserve">*ſed aëre illicò exſucto, funis fumare protinus*
              <lb/>
            *deſijt.</s>
            <s xml:id="echoid-s8083" xml:space="preserve">*</s>
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          <p>
            <s xml:id="echoid-s8084" xml:space="preserve">Grad. </s>
            <s xml:id="echoid-s8085" xml:space="preserve">Hæc vtique ex dictis planam, neque violentam habent
              <lb/>
            explicationem. </s>
            <s xml:id="echoid-s8086" xml:space="preserve">Fumo vas peruagante comprimuntur igniculi in
              <lb/>
            accenſo fune diſſoluti, ne agitentur, & </s>
            <s xml:id="echoid-s8087" xml:space="preserve">quidem citiùs in minori
              <lb/>
            vaſe quàm in maiori, quia minor aëris menſura magis conſtipa-
              <lb/>
            tur ab eâdem fumorum copiâ: </s>
            <s xml:id="echoid-s8088" xml:space="preserve">ideò citiùs apparere deſinit ignis.
              <lb/>
            </s>
            <s xml:id="echoid-s8089" xml:space="preserve">In magno Recipiente cum primùm exercetur antlia, videtur funis
              <lb/>
            perfectè accendi, quia exhauſtâ aëris & </s>
            <s xml:id="echoid-s8090" xml:space="preserve">fumi parte, minuitur
              <lb/>
            compreſſio, quæ ignem opprimebat. </s>
            <s xml:id="echoid-s8091" xml:space="preserve">ſed iterum ac tertiò & </s>
            <s xml:id="echoid-s8092" xml:space="preserve">ſe-
              <lb/>
            piùs exhauſto aëre, qui reliquus eſt præter naturam rarus, cona-
              <lb/>
            turſe contrahere, & </s>
            <s xml:id="echoid-s8093" xml:space="preserve">igniculos attrahens eorum agitationem im-
              <lb/>
            pedit, ne funis particulas adoriantur, ac porrò diſſoluant: </s>
            <s xml:id="echoid-s8094" xml:space="preserve">idcir-
              <lb/>
            co ſenſim langueſcit ardor, & </s>
            <s xml:id="echoid-s8095" xml:space="preserve">demum nullâ exiſtente igniculo rum
              <lb/>
            agitatione, neque apparet ſcintilla, neque fumus expirat. </s>
            <s xml:id="echoid-s8096" xml:space="preserve">Si ni-
              <lb/>
            mis diu agitetur antlia, exhauriuntur ex fune omnes igniculi li-
              <lb/>
            beri, ac ſoluti vinculo cum reliquis partibus, neque vllus ſupe-
              <lb/>
            veſt, quiadmiſſo aëre, atque ceſſante omni attractione aut </s>
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