Casati, Paolo, De igne dissertationes physicae, 1686

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          <pb o="101" file="0113" n="113" rhead="An exustione noua ſubſtantia gignatur."/>
          <p>
            <s xml:id="echoid-s3104" xml:space="preserve">Grad. </s>
            <s xml:id="echoid-s3105" xml:space="preserve">Dixerint fortaſſe igneæ illius Formæ aſſertores non eſſe
              <lb/>
            flammam cum embammatis aut pigmentis comparandam, hæc
              <lb/>
            enim artis ſunt opus, illa Naturæ. </s>
            <s xml:id="echoid-s3106" xml:space="preserve">In Meteoris verò, quæ ex for-
              <lb/>
            tuitâ halituum concurſione non vno modo coaleſcunt, non opus
              <lb/>
            eſſe nouâ Formâ, quemadmodum in Flammâ, cuius certam ori-
              <lb/>
            ginem & </s>
            <s xml:id="echoid-s3107" xml:space="preserve">molitionem indicare videntur ſigura, motus, calor, lux:
              <lb/>
            </s>
            <s xml:id="echoid-s3108" xml:space="preserve">porrò Nebulam & </s>
            <s xml:id="echoid-s3109" xml:space="preserve">Nubem nil eſſe præter aquæ ſubſtantiam in
              <lb/>
            vaporem attenuatæ, qui iterum coactus in Rorem, aut Plu-
              <lb/>
            uiam, tellurem perfundit, aut ſi coagulum accedat, in Niuem
              <lb/>
            concreſcit, & </s>
            <s xml:id="echoid-s3110" xml:space="preserve">obdureſcit in Grandinem: </s>
            <s xml:id="echoid-s3111" xml:space="preserve">Ventum terrenis expi-
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            rationibus nihil addere præter motum; </s>
            <s xml:id="echoid-s3112" xml:space="preserve">Irides, Coronas, Virgas,
              <lb/>
            Parelia, Paraſelenes, immò & </s>
            <s xml:id="echoid-s3113" xml:space="preserve">Cometas ex lucis commiſtione cum
              <lb/>
            corpore ſemidiaphano oriri Κα\’τ έ μφασ ιν non autem Καθ’ ύπόςασιν,
              <lb/>
            vt Ariſtoteles loquitur lib. </s>
            <s xml:id="echoid-s3114" xml:space="preserve">de mundo: </s>
            <s xml:id="echoid-s3115" xml:space="preserve">Propterea his non dari à
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            Naturâ ſubſtantialem Formam. </s>
            <s xml:id="echoid-s3116" xml:space="preserve">Fulmina autem & </s>
            <s xml:id="echoid-s3117" xml:space="preserve">quæcunque
              <lb/>
            alia Meteora verè ignita ad idem pertinere genus, quo noſtra-
              <lb/>
            tes ignes comprehenduntur, atque his propriam Ignis formam
              <lb/>
            tribuendam; </s>
            <s xml:id="echoid-s3118" xml:space="preserve">neque enim ſuà formâ carere debet elementum
              <lb/>
            ignis, quamuis apud nos non purum ſit & </s>
            <s xml:id="echoid-s3119" xml:space="preserve">impermiſtum: </s>
            <s xml:id="echoid-s3120" xml:space="preserve">hoc autem
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            elementum ſcilicet Ignem, in flammâ ineſſe quis neget? </s>
            <s xml:id="echoid-s3121" xml:space="preserve">cuius ta-
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            men nullum apparebat in ligno veſtigium.</s>
            <s xml:id="echoid-s3122" xml:space="preserve"/>
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          <p>
            <s xml:id="echoid-s3123" xml:space="preserve">Maur. </s>
            <s xml:id="echoid-s3124" xml:space="preserve">Quid de Meteorologicis impreſſionibus dicendum ſit,
              <lb/>
            nunc quidem non admodum moror, ſingulæ quippe peculiarem
              <lb/>
            poſtulant explicationem: </s>
            <s xml:id="echoid-s3125" xml:space="preserve">in ligno autem, dum adhuc lignum
              <lb/>
            eſt, veſtigia ignis perſequi tunc erit operæ pretium, quando
              <lb/>
            methodum, qua contingat exuſtio, indagabimus: </s>
            <s xml:id="echoid-s3126" xml:space="preserve">ſatis eſt mi-
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            hi, ſi nouam ſubſtantialem formam in flammâ non agnoſcamus.
              <lb/>
            </s>
            <s xml:id="echoid-s3127" xml:space="preserve">Si enim hanc noua forma componat, Formam corrumpat ne-
              <lb/>
            ceſſe eſt virtus illa eſſiciens, quæ flammam extinguit: </s>
            <s xml:id="echoid-s3128" xml:space="preserve">illa igitur
              <lb/>
            eadem virtus aliam pariter formam efficit, quæ pereuntis in lo-
              <lb/>
            cum ſuccedat; </s>
            <s xml:id="echoid-s3129" xml:space="preserve">flammâ nimirum in auras abeunte, negare quis
              <lb/>
            velit, quin ſit aëris, aut alia quæpiam forma in materiâ, quam
              <lb/>
            priùs ignis formâ imbutam aſſerebat? </s>
            <s xml:id="echoid-s3130" xml:space="preserve">Quis autem facilè ſibi per-
              <lb/>
            iuadeat breuiſſimo temporis puncto nouam aëris formam effici, ſi-
              <lb/>
            uè ab aquâ ſuperfuſâ extinguatur flamma, ſiuè ab arenæ vi non
              <lb/>
            modicâ iniectâ opprimatur, ſiue conuerſâ deorſum face à ceris
              <lb/>
            liquentibus propellatur, ſiue emunctorio aut digitis compreſſo
              <lb/>
            ellychnio præfocetur, ſiuè ſpiritu validiùs immiſſo exſuffletur?</s>
            <s xml:id="echoid-s3131" xml:space="preserve"/>
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