Casati, Paolo, De igne dissertationes physicae, 1686

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            <s xml:id="echoid-s5927" xml:space="preserve">
              <pb o="195" file="0207" n="207" rhead="Quomodo Ignis accendatur."/>
            cauſa, curſæpè ſarmenta in faſcem colligata ſolui iubemus atque
              <lb/>
            laxari, vt citiùs vberior flamma exiliat, niſi vt erumpentium
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            ex vno ligno igniculorum agitationi amplius ſpatium pateat
              <lb/>
            quò validiùs commoti irrumpant in proxima ligna.</s>
            <s xml:id="echoid-s5928" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s5929" xml:space="preserve">Grad. </s>
            <s xml:id="echoid-s5930" xml:space="preserve">Cum itaque illa facilè ignem concipiant, quæ patenti-
              <lb/>
            bus poris excipiunt immiſſos igniculos, atque celeriùs conflagrent,
              <lb/>
            ſi diſſoluti Spiritus vnâ cum Sulphure in omne corpus liberè perma-
              <lb/>
            nare poſſint; </s>
            <s xml:id="echoid-s5931" xml:space="preserve">ex contrario ægrè ignem admittere dicenda erunt
              <lb/>
            illa, quorum obſtructi ſunt pori, quamuis cœteroqui non ſint
              <lb/>
            ad exardeſcendum difficilia. </s>
            <s xml:id="echoid-s5932" xml:space="preserve">Sic materiam viſco illitam non arde-
              <lb/>
            re affirmat Theophraſtus: </s>
            <s xml:id="echoid-s5933" xml:space="preserve">& </s>
            <s xml:id="echoid-s5934" xml:space="preserve">Plinius lib.</s>
            <s xml:id="echoid-s5935" xml:space="preserve">29.</s>
            <s xml:id="echoid-s5936" xml:space="preserve">cap.</s>
            <s xml:id="echoid-s5937" xml:space="preserve">3. </s>
            <s xml:id="echoid-s5938" xml:space="preserve">de ouorum gal-
              <lb/>
            linæ præſtantiâ loquens ait, *Vis verò tanta eſt, vt lignum per fu-*
              <lb/>
            *ſum ouo non ardeat, ac ne veſtis quidem contacta aduratur:</s>
            <s xml:id="echoid-s5939" xml:space="preserve">* in ob-
              <lb/>
            ſtructos ſcilicet viſco, aut oui albumine, poros non facilè ſe inſi-
              <lb/>
            nuatignis. </s>
            <s xml:id="echoid-s5940" xml:space="preserve">Sic pariter æqualibus partibus Aluminis & </s>
            <s xml:id="echoid-s5941" xml:space="preserve">Ichtyocol-
              <lb/>
            læ cum aceto permiſtis ſiquid imbutum fuerit, non comburi di-
              <lb/>
            citur. </s>
            <s xml:id="echoid-s5942" xml:space="preserve">Huc fortaſſe ſpectat medicamentum (eonomine, vt docet
              <lb/>
            Caius Iureconſultus de Verborum ſigniſicatione, omne contine-
              <lb/>
            tur, quod adhibitum naturam eius, cui adhibitum eſt, mutat)
              <lb/>
            quod mihi neſcio quis aliquando præſcripſit, ne literæ poſſint com-
              <lb/>
            buri. </s>
            <s xml:id="echoid-s5943" xml:space="preserve">Accipe, aiebat, acetum acerrimum, & </s>
            <s xml:id="echoid-s5944" xml:space="preserve">ouorum albumina;
              <lb/>
            </s>
            <s xml:id="echoid-s5945" xml:space="preserve">in quibus dilue, & </s>
            <s xml:id="echoid-s5946" xml:space="preserve">coagita hydrargyrum; </s>
            <s xml:id="echoid-s5947" xml:space="preserve">eaque miſcellaneâ pa-
              <lb/>
            pyrum terinunge, ac toties reſicca: </s>
            <s xml:id="echoid-s5948" xml:space="preserve">poſtea ibi ſcribe, quicquid
              <lb/>
            viſum fuerit, & </s>
            <s xml:id="echoid-s5949" xml:space="preserve">in ignem proijce: </s>
            <s xml:id="echoid-s5950" xml:space="preserve">videbis abſque vllâ combu-
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            ſtione reſilire. </s>
            <s xml:id="echoid-s5951" xml:space="preserve">Hæc ille. </s>
            <s xml:id="echoid-s5952" xml:space="preserve">Dubitanter tamen ſoli meatuum obſtru-
              <lb/>
            ctioni hoc tribuerem, ſed reſilientis chartæ motus, quo exarſionem
              <lb/>
            declinat, adſcribendus potiùs videtur particulis Mercurij, & </s>
            <s xml:id="echoid-s5953" xml:space="preserve">ſalibus
              <lb/>
            ab aceto relictis in papyri poris.</s>
            <s xml:id="echoid-s5954" xml:space="preserve"/>
          </p>
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            <s xml:id="echoid-s5955" xml:space="preserve">Dand. </s>
            <s xml:id="echoid-s5956" xml:space="preserve">Haud temerè ſuſpicaris petendam eſſe cauſam à particu-
              <lb/>
            larum poros obſtruentium naturâ nam ſi oleo imbuta fuiſſet char-
              <lb/>
            ta, vtique pori fuiſſent oleo pleni, nec quicquam impedimenti
              <lb/>
            attuliſſet conflagrationi; </s>
            <s xml:id="echoid-s5957" xml:space="preserve">hydrargyrum verò neque albumen oui
              <lb/>
            ea ſunt, quæ igneſcere poſſint: </s>
            <s xml:id="echoid-s5958" xml:space="preserve">ſed neque acetum, quod, vtpote
              <lb/>
            acerrimum, ſalem valdè exaltatum continet, atque Spiritus ita à
              <lb/>
            Sale comprehenſos, vt quaſi fixam naturam induerint: </s>
            <s xml:id="echoid-s5959" xml:space="preserve">propte-
              <lb/>
            rea ſicut in deſtillatione aceti, vt omnibus acidis contingit, pri-
              <lb/>
            mùm Phlegma, deinde Spiritus elicitur, ita quando charta ace-
              <lb/>
            to illo delibuta leni aëris calore reſiccata eſt, in vaporem abijt </s>
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