Casati, Paolo, De igne dissertationes physicae, 1686

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              <pb o="221" file="0233" n="233" rhead="De Flamma & Fumo."/>
            tem flammam videmus; </s>
            <s xml:id="echoid-s6721" xml:space="preserve">nam toto eo tempore tam ingens multi-
              <lb/>
            tudo Spirituum, Salium Volatilium, atque partium Sulphurea-
              <lb/>
            rum ſeparata eſtà partibus fixis, vt illis libertatem nactis non ſatis
              <lb/>
            ſit per ligni meatus diſcurrere, ſed confertim ex illis anguſtijs magnâ
              <lb/>
            copiâ exiliant vnâ cum vapore fumi.</s>
            <s xml:id="echoid-s6722" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s6723" xml:space="preserve">Grad. </s>
            <s xml:id="echoid-s6724" xml:space="preserve">Hanccine Philoſophiam edocti ſunt, qui ad focum acce-
              <lb/>
            dentes toleranter expectare nequeunt flammæ eruptionem? </s>
            <s xml:id="echoid-s6725" xml:space="preserve">ſiqui-
              <lb/>
            dem aut pede impoſito ſarmentis, aut batillo ferreo, illa premunt
              <lb/>
            atque ſuccutiunt, vt eiuſmodi motu atque flexione apertis ligneis
              <lb/>
            poris, omni cunctatione remotâ, confertim erumpant in flammam
              <lb/>
            agglomerati intus igniculi.</s>
            <s xml:id="echoid-s6726" xml:space="preserve"/>
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          <p>
            <s xml:id="echoid-s6727" xml:space="preserve">Dand. </s>
            <s xml:id="echoid-s6728" xml:space="preserve">Plurima ſunt, quæ primùm caſus obtulit; </s>
            <s xml:id="echoid-s6729" xml:space="preserve">poſtmodum
              <lb/>
            tentatum eſt, an cum naturâ connexa ſint, ſi eadem ſæpiùs con-
              <lb/>
            tingant: </s>
            <s xml:id="echoid-s6730" xml:space="preserve">demum notatio Naturæ & </s>
            <s xml:id="echoid-s6731" xml:space="preserve">animaduerſio peperit artem
              <lb/>
            ſeu ſcientiam, qua quis felici exitu vſus cœteris exemplo fuit, quod
              <lb/>
            imitarentur quantumlibet cauſæ ignari, nec velleuiſſimo ad phi-
              <lb/>
            loſophandum ſtudio concitati: </s>
            <s xml:id="echoid-s6732" xml:space="preserve">adeò autem frequens eſt ignis ac-
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            cendendi vſus, vt ad exſtimulandam flammam ſarmenta concute-
              <lb/>
            re diſcant vel pueri, omnem maiorum motum obſeruantes. </s>
            <s xml:id="echoid-s6733" xml:space="preserve">Pri-
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            ma itaque illa flammæ eruptio, nec ſine ſtrepitu, poſtquam ex
              <lb/>
            ſubiectis prunis ſatis incaluerint ligna, manifeſtum facit impetum
              <lb/>
            proſilientium igniculorum, quos alij ſubinde atque alij conſe-
              <lb/>
            quuntur, quandiu ea ſuppetit copia igniculorum à particulis fi-
              <lb/>
            xis diſiunctorum, vt confertim erumpant; </s>
            <s xml:id="echoid-s6734" xml:space="preserve">illâ autem imminutâ
              <lb/>
            ceſſat flamma, & </s>
            <s xml:id="echoid-s6735" xml:space="preserve">reliquæ fiunt prunæ, diſcurrentibus circa ſuper-
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            ficiem ſulphureis particulis, quarum aliquæ licèt cum Spiritibus
              <lb/>
            auolent, non tamen tot ſunt, neque eo impetu erumpunt, vt
              <lb/>
            flammam conſtituant. </s>
            <s xml:id="echoid-s6736" xml:space="preserve">Quod ſi craſſioribus lignis, extinctâ flam-
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            mâ, detrahantur partes extimæ, quæ in carbonem tranſierunt, & </s>
            <s xml:id="echoid-s6737" xml:space="preserve">
              <lb/>
            quamuis accenſæ impedimento erant, neigniculi liberè confertim
              <lb/>
            erumpere poſſent, etiamſi intimas ligni partes penetrauerint, fa-
              <lb/>
            cilè iterum accenditur flamma: </s>
            <s xml:id="echoid-s6738" xml:space="preserve">id quod manifeſtè conſtat, quan-
              <lb/>
            do ferro aut baculo validiùs attritus ſtipes accenſus innumerabiles
              <lb/>
            eiaculatur ſcintillas, & </s>
            <s xml:id="echoid-s6739" xml:space="preserve">demum flammam emittit, apertis valido
              <lb/>
            illo tritu poris, ex quibus erumpunr igniculi. </s>
            <s xml:id="echoid-s6740" xml:space="preserve">Hinc ſi plura ſint
              <lb/>
            proxima ligna ignita, flammam multo diutiùs fouent; </s>
            <s xml:id="echoid-s6741" xml:space="preserve">quia ex
              <lb/>
            vno ligno exilientes igniculi in aliud lignum incurrunt, qui cœte-
              <lb/>
            roqui in auras obirent, & </s>
            <s xml:id="echoid-s6742" xml:space="preserve">non ſolùm carbonem abſumunt, </s>
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