Casati, Paolo, De igne dissertationes physicae, 1686
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          <pb o="32" file="0044" n="44" rhead="Diſſertatio Secunda"/>
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            <s xml:id="echoid-s1163" xml:space="preserve">Dand. </s>
            <s xml:id="echoid-s1164" xml:space="preserve">Ignis eſt *Spiritus vim babens caloris non mediocris.</s>
            <s xml:id="echoid-s1165" xml:space="preserve">* Spiri-
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            tum voco non qui à Sulphure & </s>
            <s xml:id="echoid-s1166" xml:space="preserve">Sale diſtinguitur, ſed ſubſtantiam
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            tenuem; </s>
            <s xml:id="echoid-s1167" xml:space="preserve">neque eam tantùm, in qua ineſt raritas, aut leuitas, ſed
              <lb/>
            eam, quæ ſubtilis eſt, & </s>
            <s xml:id="echoid-s1168" xml:space="preserve">in anguſtiſſimos corporum meatus facilè
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            peruadit, ſiuè multum, ſiuè parum materiæ, illâ paruitate conti-
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            neatur: </s>
            <s xml:id="echoid-s1169" xml:space="preserve">Hinc Ariſtoteles lib.</s>
            <s xml:id="echoid-s1170" xml:space="preserve">1.</s>
            <s xml:id="echoid-s1171" xml:space="preserve">de Anima. </s>
            <s xml:id="echoid-s1172" xml:space="preserve">text.</s>
            <s xml:id="echoid-s1173" xml:space="preserve">29.</s>
            <s xml:id="echoid-s1174" xml:space="preserve">de igne mentio-
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            nem faciens vocat λεπ τομερέςατόντε, Κτὶ μάλιςα τῶν ςοιχειων
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            ἀσώματον, partibus tenuiſſimis pręditum, & </s>
            <s xml:id="echoid-s1175" xml:space="preserve">maximè inter elemen-
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            ta incorporeum: </s>
            <s xml:id="echoid-s1176" xml:space="preserve">huiuſmodi enim tenuis natura vbi ſoluitur vin-
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            culo, quo cùm cętetis copulabatur, quà patet exitus, vel per quam
              <lb/>
            ſibi inuenit viam, euadit mobilitate ſuâ potiùs, quàm aut leuitate
              <lb/>
            aut grauitate. </s>
            <s xml:id="echoid-s1177" xml:space="preserve">Quamuis autem aëri pariter conueniat ſua ſubtili-
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            tas, in hoc tamen præcipuè ignis ab aëre diſcrepat, quod aër mo-
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            dico ad ſummum tepore calet, ignis natura ſemper aliquid habet
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            feruoris; </s>
            <s xml:id="echoid-s1178" xml:space="preserve">licèt ex aliarum naturarum conſortio, quibus confundi-
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            tur, ſæpè prohibeatur, quin vires omnes ſuas exerat: </s>
            <s xml:id="echoid-s1179" xml:space="preserve">Sic & </s>
            <s xml:id="echoid-s1180" xml:space="preserve">homo
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            vim habens ratiocinandi, aut ſomno, aut amentiâ correptus, vi il-
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            lâ non vtitur, citrà humanæ naturæ iacturam.</s>
            <s xml:id="echoid-s1181" xml:space="preserve"/>
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            <s xml:id="echoid-s1182" xml:space="preserve">Iam verò Ignis genus vniuerſum in eas ſpecies partiri poſſumus,
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            quæ à Gradonico huius diſſertationis initio indicatæ ſunt, vt nimi-
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            rum Spiritus vim habens caloris non mediocrem, alius quidem ſit
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            fuapte naturâ cum luce coniunctus, alius verò ab eâ ſeiunctus; </s>
            <s xml:id="echoid-s1183" xml:space="preserve">ille
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            Ignis Viuus, hic Mortuus dicatur. </s>
            <s xml:id="echoid-s1184" xml:space="preserve">Prioris autem generis iterum
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            differentiæ duæ excogitari poſſent, ſi moles ipſa, quæ Ignis voca-
              <lb/>
            bulum obtinuit, ſpectetur: </s>
            <s xml:id="echoid-s1185" xml:space="preserve">Nam ſi moles illa, maiori ſaltem ex
              <lb/>
            parte, compoſita ſit ſpiritu ſplendido pariter atque Calido, Ignem
              <lb/>
            ſimpliciter vocant, ſi fulgeat, & </s>
            <s xml:id="echoid-s1186" xml:space="preserve">ferueat; </s>
            <s xml:id="echoid-s1187" xml:space="preserve">at ſi ſpiritûs calidi ſimul
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            atque ſplendidi calor, aliarum naturarum admiſtione, ita intepe-
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            ſcat, vt ſolùm lucis ratio habeatur, & </s>
            <s xml:id="echoid-s1188" xml:space="preserve">nihil feruoris deprehenda-
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            tur, hic potiùs Ignis Fatui appellatione dignus eſt. </s>
            <s xml:id="echoid-s1189" xml:space="preserve">Cœterùm
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            id non ad ipfam ignis naturam pertinet, ſed ad ea, quæ illi acci-
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            dunt: </s>
            <s xml:id="echoid-s1190" xml:space="preserve">propterea poſterior hæc diuiſio in Ignem Viuum & </s>
            <s xml:id="echoid-s1191" xml:space="preserve">Fatuum
              <lb/>
            reijci poteſt citrà vllum incommodum, ſi natura quidem Ignis ſpe-
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            ctetur. </s>
            <s xml:id="echoid-s1192" xml:space="preserve">In quàm varias autem ſpecies ignis cùm Viui, tùm Mortui,
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            notio diuidi queat, ex ijs, quæ à nobis ſequentibus diebus diſputa-
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            buntur, innoteſcet, vbi quàm variam ſpirituum calidorum ſupel-
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            lectilem corporibus Naturaincluſerit, pro re natâ exponemus. </s>
            <s xml:id="echoid-s1193" xml:space="preserve">An
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            verò, quemadmodum Spiritus Calidos habemus in Cauſticis </s>
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