Casati, Paolo, De igne dissertationes physicae, 1686

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              <pb o="231" file="0243" n="243" rhead="De Flamma & Fumo."/>
            uamus, quæ deinde extenuatur in apicem, quia in obſtante aëre
              <lb/>
            diuidendo viam ſibi quærit exacutus in cuneum vapor cum ignicu-
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            lis erumpens: </s>
            <s xml:id="echoid-s7029" xml:space="preserve">ſi tamen ex illa flammâ ignem petere quis voluerit,
              <lb/>
            multò faciliùs & </s>
            <s xml:id="echoid-s7030" xml:space="preserve">citiùs accenditur candela immiſſa in flammam non
              <lb/>
            prope ellychnium, ſed verſus apicem, immo ſupra apicem ipſum,
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            ſi flamma non fluctuet; </s>
            <s xml:id="echoid-s7031" xml:space="preserve">quia propè ellychnium humor terreis par-
              <lb/>
            ticulis permiſtus nondum eſt adeò attenuatus, ſicut in progreſſu
              <lb/>
            ex concepto calore raritatem maiorem induit; </s>
            <s xml:id="echoid-s7032" xml:space="preserve">ac proinde in can-
              <lb/>
            delæ accendendæ ellychnium ſe faciliùs inſinuat flammæ apex, vbi
              <lb/>
            maior eſt vis igniculorum; </s>
            <s xml:id="echoid-s7033" xml:space="preserve">quippe qui minùs ab admiſto humore
              <lb/>
            cohibentur, quando hic eſt valde rarus, ac quando nondum eſt
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            ſatis attenuatus. </s>
            <s xml:id="echoid-s7034" xml:space="preserve">Hinc ignis, quem Reuerberij vocant, eſt validiſ-
              <lb/>
            ſimus, quia repercuſſa flamma à furni fornice ita reflectitur, vt
              <lb/>
            apex ipſius flammæ incurrat in corpus diſſoluendum. </s>
            <s xml:id="echoid-s7035" xml:space="preserve">Cum igitur
              <lb/>
            ibi deſinat flammæ apex, vbi humore ſatis attenuato libertatem
              <lb/>
            nanciſcuntur igniculi, manifeſtum videtur ad flammam requiri
              <lb/>
            humorem vi caloris diſſolubilem. </s>
            <s xml:id="echoid-s7036" xml:space="preserve">Propterea, vt ante me dicere
              <lb/>
            memini, amplior flamma ex lignis, quàm ex carbonibus excita-
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            tur, quia plus humoris in ligno ineſt, quàm in carbone. </s>
            <s xml:id="echoid-s7037" xml:space="preserve">Hìc ta-
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            men carbonum duplex genus diſtinguendum eſt; </s>
            <s xml:id="echoid-s7038" xml:space="preserve">alij ſcilicet ſunt
              <lb/>
            prunæ poſt flammam extinctæ in foco relictæ, alij verò ſunt ligno-
              <lb/>
            rum fragmenta, quæ dum admoto igne comburi incipiebant, ſuper
              <lb/>
            iniectâ humo prohibitaſunt, ne conflagrarent, adeò vt vix ali-
              <lb/>
            quid præter humorem aqueum redundantem expirauerint. </s>
            <s xml:id="echoid-s7039" xml:space="preserve">Hiau-
              <lb/>
            tem poſteriore loco recenſiti carbones, ſiaccenſi extimulentur
              <lb/>
            flatu, maiorem reddunt flammam, quàm illi priores, quippe qui
              <lb/>
            longè maiore copiâ ſulphurearum particularum, humoris, & </s>
            <s xml:id="echoid-s7040" xml:space="preserve">Sa-
              <lb/>
            lium volatilium referti ſunt præ illis, quos ſubſidens flamma reli-
              <lb/>
            quit: </s>
            <s xml:id="echoid-s7041" xml:space="preserve">propterea ſicuti horum efficacitas in calefaciendo ob ignicu-
              <lb/>
            lorum multitudinem vehementior eſt, ita expiratio (maximè in lo-
              <lb/>
            co clauſo) eſt multò nocentior.</s>
            <s xml:id="echoid-s7042" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s7043" xml:space="preserve">Grad. </s>
            <s xml:id="echoid-s7044" xml:space="preserve">Idetiam in Lithanthrace, ſeu carbone foſſili, ſuo damno
              <lb/>
            experti ſunt Hollandi, qui in Nouâ Zemblâ hyemârunt anno 1596,
              <lb/>
            vt in Diario Nautico part. </s>
            <s xml:id="echoid-s7045" xml:space="preserve">3. </s>
            <s xml:id="echoid-s7046" xml:space="preserve">die 7 Decembris narrant. </s>
            <s xml:id="echoid-s7047" xml:space="preserve">Veſperi,
              <lb/>
            inquiunt, ex dictis carbonibus luculentumignem ſtruximus, qui
              <lb/>
            quidem magnum calorem præbuit, ſed ab infortunio nobis non
              <lb/>
            cauebamus, nam, quandoquidem calor ita nos reſiciebat,
              <lb/>
            conſilium quærebamus, quo illum multo tempore </s>
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