Casati, Paolo, De igne dissertationes physicae, 1686

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            <s xml:id="echoid-s1760" xml:space="preserve">
              <pb o="53" file="0065" n="65" rhead="De ignis loco."/>
            maticâ Boylæâ attinet, difficultas ducendi ſpiritum oritur ex eo,
              <lb/>
            quod aër per vim rarefactus non ſolùm non attrahitur in pulmones
              <lb/>
            (detrectans fortaſſe raritatem maiorem, quam ſubire neceſſe eſſet,
              <lb/>
            niſi eleuatus thorax tantundem ſpatij acquirat, quantum decedit
              <lb/>
            ſpiritui, quem animans haurit) ſed ſe contrahens attrahit ex
              <lb/>
            animalis pulmonibus ſpiritum, quem ibi reliquum inuenit: </s>
            <s xml:id="echoid-s1761" xml:space="preserve">inter-
              <lb/>
            clusâ autem reſpiratione facilè animal perire ſatis notum eſt. </s>
            <s xml:id="echoid-s1762" xml:space="preserve">Cer-
              <lb/>
            tè in piſcibus exhauſtam aëre veſiculam obſeruarunt Academici
              <lb/>
            Florentini; </s>
            <s xml:id="echoid-s1763" xml:space="preserve">aëre videlicet intrà machinam nimis raro attrahente
              <lb/>
            aërem veſicæ incluſum. </s>
            <s xml:id="echoid-s1764" xml:space="preserve">In altiſſimis verò montium iugis aër qui-
              <lb/>
            dem craſſus non eſt, neque per vim rarus, ſed animalis reſpira-
              <lb/>
            tioni non congruit, quia ſæpè abundat halitibus nitroſis, aut ſimi-
              <lb/>
            libus noxijs; </s>
            <s xml:id="echoid-s1765" xml:space="preserve">nam, vt & </s>
            <s xml:id="echoid-s1766" xml:space="preserve">Ciceroni innotuit, *animi pars redditur*
              <lb/>
            *reſpirando, pars concipitur cordis ventriculo:</s>
            <s xml:id="echoid-s1767" xml:space="preserve">* nempe mixti cum
              <lb/>
            ſanguine intra pulmones huiuſmodi halitus per arteriam venoſam
              <lb/>
            ad cor delati illud lædunt. </s>
            <s xml:id="echoid-s1768" xml:space="preserve">Quàm ſępè autem in infimo hoc aëre
              <lb/>
            idem experimur? </s>
            <s xml:id="echoid-s1769" xml:space="preserve">vbi potiſſimùm teterrimi quidam odores cogunt
              <lb/>
            applicito naribus linteolo peſtem illam aliquâ tandem ratione
              <lb/>
            auertere, & </s>
            <s xml:id="echoid-s1770" xml:space="preserve">noxij ſpiritus, quos haurimus, ſtomachum mouent, at-
              <lb/>
            que, ſi cor penetrent, etiam aliquando necem intuliſſe poſſem non
              <lb/>
            vnico exemplo oſtendere. </s>
            <s xml:id="echoid-s1771" xml:space="preserve">Quid autem porrò?</s>
            <s xml:id="echoid-s1772" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s1773" xml:space="preserve">Dand. </s>
            <s xml:id="echoid-s1774" xml:space="preserve">Pluræquidem ad aëris grauitatem atque preſſionem ad-
              <lb/>
            ſtruendam congeruntur argumenta, ſed tanquam minoris mo-
              <lb/>
            menti diſſimulanda. </s>
            <s xml:id="echoid-s1775" xml:space="preserve">Quid enim afferam effoſsâ terrâ aërem, vtpote
              <lb/>
            grauem, deſcendere in ſcrobem? </s>
            <s xml:id="echoid-s1776" xml:space="preserve">Quaſi vis eadem, quæ terram in
              <lb/>
            aëris locum attollit, nequeat aërem impellere in ſpatium à terrâ re-
              <lb/>
            lictum, factâ locorum commutatione faciliùs, quàm aëris com-
              <lb/>
            preſſione, relictâ ſcrobe prorſus inani. </s>
            <s xml:id="echoid-s1777" xml:space="preserve">Aëris grauitatem non in-
              <lb/>
            fert diminutum ferè ſeſcunciâ globi Magdeburgici pondus poſt
              <lb/>
            diuturnam exugentis antliæ agitationem: </s>
            <s xml:id="echoid-s1778" xml:space="preserve">Sed quia aër in globo
              <lb/>
            rarus factus eſt leuior aëre communi, qui globum priùs implebat,
              <lb/>
            moles ex vitro eodem graui, & </s>
            <s xml:id="echoid-s1779" xml:space="preserve">ex aëre raro leui compoſita, eua-
              <lb/>
            ſit ſecundùm ſpeciem minùs grauis, ac priùs. </s>
            <s xml:id="echoid-s1780" xml:space="preserve">Neque auctum ex
              <lb/>
            intruſo aëre pondus follis pugillatorij, argumentum eſt grauita-
              <lb/>
            tis aëri communi tribuendæ: </s>
            <s xml:id="echoid-s1781" xml:space="preserve">Sed conſtipatus aër ſecundùm ſpe-
              <lb/>
            ciem grauior aëre communi componit cum alutâ molem in ſpe-
              <lb/>
            cie grauiorem. </s>
            <s xml:id="echoid-s1782" xml:space="preserve">Illud ſcilicet infirmum eſt, quo probare nituntur
              <lb/>
            leuem non eſſe aërem, ſed grauem, dum ſic arguunt; </s>
            <s xml:id="echoid-s1783" xml:space="preserve"/>
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