Casati, Paolo, De igne dissertationes physicae, 1686

Table of handwritten notes

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              <pb o="140" file="0152" n="152" rhead="Diſſertatio Quinta."/>
            res calentis manûs igniculos ad celeriorem motum extimulare, ſed
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            potiùs eorum agitationi moram inferunt frigidæ expirationes, quę
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            neruorum fibrillas dum vellicant, ſenſum frigoris efficiunt; </s>
            <s xml:id="echoid-s4253" xml:space="preserve">contra
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            verò in gelidam manum, quam ſpiritus languidè pererrant, vbi
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            ſe inſinuauerint igniculi illi paulo concitatiores, iuuant ſpirituum
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            motum, & </s>
            <s xml:id="echoid-s4254" xml:space="preserve">vincula laxant, quibus fibræ arctiùs conſtringebantur,
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            adeòque ſenſus caloris efficitur. </s>
            <s xml:id="echoid-s4255" xml:space="preserve">Neque fortè aliunde petenda eſſet
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            cauſa, Cur *Demophon, qui Alexandro menſæ ſtructor erat, cum*
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            *ad Solem ſtabat, aut in balneo erat, algebat, in vmbrâ autem*
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            *caleſcebat*, vt refert Sextus Empiricus lib. </s>
            <s xml:id="echoid-s4256" xml:space="preserve">1. </s>
            <s xml:id="echoid-s4257" xml:space="preserve">Pyrrhon. </s>
            <s xml:id="echoid-s4258" xml:space="preserve">Hypot. </s>
            <s xml:id="echoid-s4259" xml:space="preserve">cap.
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            <s xml:id="echoid-s4260" xml:space="preserve">14. </s>
            <s xml:id="echoid-s4261" xml:space="preserve">§. </s>
            <s xml:id="echoid-s4262" xml:space="preserve">de ſecundo modo.</s>
            <s xml:id="echoid-s4263" xml:space="preserve"/>
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            <s xml:id="echoid-s4264" xml:space="preserve">Maur. </s>
            <s xml:id="echoid-s4265" xml:space="preserve">Nimijeſſemus, ſi perſequi ſingula vellemus, quæ de fri-
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            gore explicari poſſent ex hac, quam innui, hypotheſi petitâ ex
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            virtute elaſticâ ſe conſtringendi. </s>
            <s xml:id="echoid-s4266" xml:space="preserve">Vtique nemo ignorat, quan-
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            tum igniculorum Sali infit, & </s>
            <s xml:id="echoid-s4267" xml:space="preserve">Aquæ ardenti ex Spiritu vini recti-
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            ficato, vt aiunt: </s>
            <s xml:id="echoid-s4268" xml:space="preserve">ſi tamen (vt in æſtate conſueuimus ad ſedan-
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            dos ſitis feruores) niui congeſtæ circa vas plenum aquâ, vt con-
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            glaciet, commiſtus fuerit Sal, & </s>
            <s xml:id="echoid-s4269" xml:space="preserve">multo magis ſi nix illa Aquâ
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            ardente aſpergatur, aqua in vaſe, vt plurimum metallico, in ſo-
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            lidiorem glaciem concreſcit, quàm ſi ſolâ niue obrueretur. </s>
            <s xml:id="echoid-s4270" xml:space="preserve">Acui
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            vim frigoris in niue, aſſerunt omnes; </s>
            <s xml:id="echoid-s4271" xml:space="preserve">Id autem vt explicem, ſi
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            quis me vrgeret, dicerem, à Salis & </s>
            <s xml:id="echoid-s4272" xml:space="preserve">Aquæ ardentis igniculis
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            ſpiritus in niue frigidos agitari, & </s>
            <s xml:id="echoid-s4273" xml:space="preserve">propelli in vaſis poros, quos
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            faciliùs ſubeunt, cum à figurâ ſecundum Naturam curuatâ in quaſi
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            directam fuerint reflexi per vim ab igniculis illos commouentibus,
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            ſecumque rapientibus intrà aquam; </s>
            <s xml:id="echoid-s4274" xml:space="preserve">à cuius naturali frigore dum
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            cohibentur igniculi, tanto validiùs niuales halitus ad priſtinam fi-
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            guram redire conantur, quanto maiorem paſſi fuerant vim ab igni-
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            culis Salis & </s>
            <s xml:id="echoid-s4275" xml:space="preserve">Aquę ardentis: </s>
            <s xml:id="echoid-s4276" xml:space="preserve">ac propterea validiùs conſtringunt
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            aquæ particulas extrudendo igniculos; </s>
            <s xml:id="echoid-s4277" xml:space="preserve">qui vagè diſiecti, & </s>
            <s xml:id="echoid-s4278" xml:space="preserve">in
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            paruulos quoſdam manipulos coacti, dum collatis viribus mo-
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            tum tentant, intercluſi bullas plurimas immiſcent glaciei, quæ
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            idcirco in molem maiorem excreſcit, quàm eſſet aquæ ſolutæ ma-
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            gnitudo. </s>
            <s xml:id="echoid-s4279" xml:space="preserve">Hinc aiebat Cicero de Nat. </s>
            <s xml:id="echoid-s4280" xml:space="preserve">*Aqua neque conglaciaret*
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            *frigoribus, neque niue pruinaque concreſceret, niſi eadem ſe ad-*
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            *miſto calore liquefacta diffunderet.</s>
            <s xml:id="echoid-s4281" xml:space="preserve">* Sic & </s>
            <s xml:id="echoid-s4282" xml:space="preserve">Ariſtoteles lib. </s>
            <s xml:id="echoid-s4283" xml:space="preserve">4. </s>
            <s xml:id="echoid-s4284" xml:space="preserve">Me-
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            teor. </s>
            <s xml:id="echoid-s4285" xml:space="preserve">ſumm. </s>
            <s xml:id="echoid-s4286" xml:space="preserve">3. </s>
            <s xml:id="echoid-s4287" xml:space="preserve">cap. </s>
            <s xml:id="echoid-s4288" xml:space="preserve">2. </s>
            <s xml:id="echoid-s4289" xml:space="preserve">*Corporum*, inquit, *quæcunque concreſcunt, &</s>
            <s xml:id="echoid-s4290" xml:space="preserve">*
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            *indur antur, bæc quidem à calido patiuntur boc, bæc autem à </s>
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