Casati, Paolo, De igne dissertationes physicae, 1686

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              <pb o="379" file="0391" n="391" rhead="De Coloribus per Ignem mutatis."/>
            ris circumfuſi, vſque ad corpus ipſum, quod illuſtratur. </s>
            <s xml:id="echoid-s11451" xml:space="preserve">Por-
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            rò corporibus ipſis inſitas eſſe primæuæ lucis particulas, non ſi-
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            nè aliquâ probabili coniecturâ & </s>
            <s xml:id="echoid-s11452" xml:space="preserve">ratione admittimus, ſiuè ſpiri-
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            tibus, ſiuè ſalibus, ſiuè ſulphuribus coniuncta illa ſit. </s>
            <s xml:id="echoid-s11453" xml:space="preserve">Æthe-
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            reorum igitur globulorum aërem replentium impulſione excita-
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            tur lux inſita corpori illuſtrato; </s>
            <s xml:id="echoid-s11454" xml:space="preserve">eaque pariter agitata dum ſuâ
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            porrectione repellit incidentes æthereos globulos, hi à tergo, & </s>
            <s xml:id="echoid-s11455" xml:space="preserve">
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            à lateribus impulſi conuerſione quadam circùm ſe torquentur & </s>
            <s xml:id="echoid-s11456" xml:space="preserve">
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            verſantur, adeò vt reflexus ille globuli impacti motus duplici qua-
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            dam impreſſione feratur, progreſſione vide icet, quatenus à cor-
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            pore non peruio aliorſum reflectitur, & </s>
            <s xml:id="echoid-s11457" xml:space="preserve">conuerſione, quatenus
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            nouo impulſu circa ſuum centrum concitatur. </s>
            <s xml:id="echoid-s11458" xml:space="preserve">Hic verò globuli
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            motus à luce corporis reflectentis ſic modiſicatus, ſimilem con-
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            uerſionis ſimul atque progreſſionis impetum imprimit proximo,
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            in quem dirigitur, globulo, atque hic porrò conſequentibus vſ-
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            que ad extremos æthereos globulos oculi Retinam proximè con-
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            tingentes. </s>
            <s xml:id="echoid-s11459" xml:space="preserve">Hinc, quoniam pro lucis illuſtrantis, atque lucis re-
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            flectentis viribus diſſimilibus, aut inæqualibus, varia eſt tum
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            progreſſionis, tum conuerſionis concitatio, atque ſecundùm
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            aliam atque aliam Rationem contingit earum complexio, ita
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            vt nunc quidem progreſſio validior ſit conuerſione, nunc verò
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            conuerſio excedat progreſſionem, iuxta multiplicem exuperan-
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            tiæ menſuram, ideò etiam multipliciter affectus oculus ex globo-
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            rum ſic in retinam incurrentium appulſu, alios atque alios co-
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            lores videre dicitur.</s>
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            <s xml:id="echoid-s11461" xml:space="preserve">Dand. </s>
            <s xml:id="echoid-s11462" xml:space="preserve">Quæſo à vobis, vt mihi detis hanc veniam, vt patia-
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            mini dicentem Maurocenum à me interpellari, quò expeditiùs
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            eius aſſequar ſententiam, quæ mihi non parum arridet. </s>
            <s xml:id="echoid-s11463" xml:space="preserve">Vnius
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            globuli motum ex progreſſione & </s>
            <s xml:id="echoid-s11464" xml:space="preserve">conuerſione compoſitum dum
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            exponis, vtique idem contingere neceſſe eſt reliquis globulis
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            eandem corporis illuſtrati ſuperſiciem contingentibus, vtpote ab
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            eodem lucido corpore propulſis, atque ab eâdem repulſis ſuperſi-
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            cie. </s>
            <s xml:id="echoid-s11465" xml:space="preserve">Ex quo ſit non ſimilem eſſe globulis omnibus reflexio-
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            nem & </s>
            <s xml:id="echoid-s11466" xml:space="preserve">impulſionem, propter ſuperſiciei illuſtratæ aſperitatem,
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            ſaltem aliquam, ac propterea alijs aliam progreſſionem, aliam-
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            que conuerſionem tribui, adeò vt non rarò qui eſſet ſingulo-
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            rum globulorum motus, ab alijs globulis ſecundùm </s>
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