Casati, Paolo, De igne dissertationes physicae, 1686

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              <pb o="210" file="0638" n="638" rhead="Diſſertatio Sexta."/>
            facultas extimulandi in terræ viſceribus tùm humidos vapo-
              <lb/>
            res, qui tàm confertim aſcendant, ut poſtea conglomerati
              <lb/>
            in pluviam deſcendant, tùm ſiccas & </s>
            <s xml:id="echoid-s20661" xml:space="preserve">crudas exhalationes,
              <lb/>
            quæ incitentur in flatum vehementem. </s>
            <s xml:id="echoid-s20662" xml:space="preserve">Cum autem maxima
              <lb/>
            facultas agitandi particulas conveniat ſpiritibus, valde con-
              <lb/>
            gruenter ſpiritibus affines cenſentur ſidereæ expirationes, adeò-
              <lb/>
            que ut plurimum ad igneam naturam pertinent. </s>
            <s xml:id="echoid-s20663" xml:space="preserve">Ut pluri-
              <lb/>
            mum, inquam; </s>
            <s xml:id="echoid-s20664" xml:space="preserve">neque enim à probabilitate remotum vide-
              <lb/>
            tur ex aliquibus ſideribus etiam Spiritus Frigidos effiuere,
              <lb/>
            quibus vis conſtipandi & </s>
            <s xml:id="echoid-s20665" xml:space="preserve">particulas alias coërcendi conveniat,
              <lb/>
            ita ut plurium ſiderum efficacitati adſcribenda ſit ex. </s>
            <s xml:id="echoid-s20666" xml:space="preserve">gr. </s>
            <s xml:id="echoid-s20667" xml:space="preserve">plu-
              <lb/>
            via, ſi videlicet ſpiritûs ignei ab uno ſidere aut à pluribus ſi-
              <lb/>
            mul proſluentes excitent ex tellure aut ex aquâ vaporum vim
              <lb/>
            ingentem, cum interim ab alio ſidere Spiritûs Frigidi erum-
              <lb/>
            pentes comprehendant vapores per aërem diffuſos, eoſque con-
              <lb/>
            ſtrictos cogant in pluviam decidere, quæ alios ſpiritûs, quibus
              <lb/>
            fœtus eſt aër, ſecum rapiat, & </s>
            <s xml:id="echoid-s20668" xml:space="preserve">telluri cœleſtes influxûs in-
              <lb/>
            fundat. </s>
            <s xml:id="echoid-s20669" xml:space="preserve">Neque aliquid igneæ ſtellarum naturæ minùs con-
              <lb/>
            ſentaneum ſtatui puto, ſi ex aliquibus etiam Spiritûs Frigi-
              <lb/>
            dos erumpere poſſe concedamus: </s>
            <s xml:id="echoid-s20670" xml:space="preserve">quandoquidem vix ulli uſui,
              <lb/>
            præterquam ad deſignanda tempora, futurum fuiſſet, ſi aſtra
              <lb/>
            omnia ad ſpeciem eandem pertinerent, aut ſingulorum na-
              <lb/>
            tura particulas omnes uniuſmodi & </s>
            <s xml:id="echoid-s20671" xml:space="preserve">ſimplices contineret, quin
              <lb/>
            plurimæ luci, quâ potiſſimùm conſtant, & </s>
            <s xml:id="echoid-s20672" xml:space="preserve">ignea ſunt,
              <lb/>
            etiam admiſcerentur variæ & </s>
            <s xml:id="echoid-s20673" xml:space="preserve">multiplices particularum alia-
              <lb/>
            rum naturæ & </s>
            <s xml:id="echoid-s20674" xml:space="preserve">quemadmodum expirationes frigidas ex Sa-
              <lb/>
            turno prodire plurimi autumant, non video, cur ſaltem ali-
              <lb/>
            quibus ſtellis fixis concedi nequeant ſimiles ſpiritûs cum inge-
              <lb/>
            nitâ luce non pugnantes.</s>
            <s xml:id="echoid-s20675" xml:space="preserve"/>
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            <s xml:id="echoid-s20676" xml:space="preserve">Dand. </s>
            <s xml:id="echoid-s20677" xml:space="preserve">Cum minimè dubitarem, ad Firmamenti influxûs
              <lb/>
            explicandos, in ſingulis ſtellis ſixis plurium naturarum com-
              <lb/>
            plexionem ad mittendam, perinde atque in Planetis, à quibus
              <lb/>
            hoc diſcriminantur, quòd lucem inſitam habeant, eodemque
              <lb/>
            intervallo invicem ſemper abſint, hærebam tamen aliquandiù
              <lb/>
            anceps, primùm an ſtella ex variis naturis conflata globi po-
              <lb/>
            tiùs, quàm diſci, aut alterius polygonæ figuræ ſpeciem re-
              <lb/>
            ferret; </s>
            <s xml:id="echoid-s20678" xml:space="preserve">deinde an, dato quod ſphœrica eſſet, tota intrà ip-
              <lb/>
            ſius Cœli ſoliditatem concluderetur; </s>
            <s xml:id="echoid-s20679" xml:space="preserve">demum utrùm ignito
              <lb/>
            metallo liquido, an concreto ſimilis eſſet. </s>
            <s xml:id="echoid-s20680" xml:space="preserve">Et quidem quod
              <lb/>
            ad figuram attinet, ex ſpecie rotundâ, quæ aſpicienti exhi-
              <lb/>
            betur, intelligebam nihil certi ſtatui poſſe ob eximiam </s>
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