Borelli, Giovanni Alfonso, De motionibus naturalibus a gravitate pendentibus, 1670

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              <s id="s.002987">
                <pb pagenum="559" xlink:href="010/01/567.jpg"/>
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              ſiores reddi poſſe, & è contra à caliditate molliores,
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              & flexiliores effici. </s>
              <s id="s.002988">His poſitis, quia dùm aqua fluida
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              eſt, caliditas in aqua viget, & proindè villi interni
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              ſpirarum, ſeù tubulorum
                <expan abbr="aereorũ">aereorum</expan>
              molliores, flexilio­
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              reſque redditi facilè cedere poſſunt vi ponderis flu­
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              entis aquæ, ideò tubuli prædicti repleri poſſunt;
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              adueniente poſtea ingenti gradu frigoris, nempè de­
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              ficiente copia igniculorum, ſponte ſua villi interni
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              ſpirarum aeris tenſiores, directiores, & rigidiores
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              reddi poſſunt, & ideò ad inſtar machinularum expel­
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              lere poſſunt ibidem contentas aquæ particulas, &
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              proindè tubuli prædicti exinaniri poſſunt. </s>
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              Cap. 13. cau­
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              ſa rarefacti­
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              onis glaciei
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              affertur.</s>
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            <p type="main">
              <s id="s.002990">Poſtea quia dum efficitur huiuſmodi expulſio, non
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              adhùc aqua congelata indurataque eſt, vel
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              ma­
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              iori ex parte fluiditatem retinet, fit vt prædictæ ſpi­
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              ræ aereæ non vt priùs aqua impręgnatæ, ſed vacuæ
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              relictæ, facilè poſſint ab ambiente fluido agitari, ex­
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              pellique, & ſic poſſunt plures ſpiræ aereæ coaceruari,
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              & cum vicinis vniri, & ſic aliquas ampullas aereas
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              conſpicuas componere poſſunt, & hæc erunt forſan
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              grana illa aerea, quæ propè initium, & in actu con­
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              gelationis ibidem oriri videntur. </s>
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            <p type="main">
              <s id="s.002991">Contra hanc theoriam dici poſſet, quòd particu­
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              læ ſpiritus vini, olei, & mercurij cùm exiguæ, & mi­
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              nutiores quam ſint aeris particulæ concedi debeant,
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              non ſecùs, ac aqua intra tubulos aereos inſinuari poſ­
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              ſent, & hinc quoque ab eadem neceſſitate ſuperiùs
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              expoſita valdè refrigeratis fluidis expelli quoque è
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              tubulis prædictis deberent, proindeque fluida præ-</s>
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