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

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              Cap. 7. dę
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              natura flui­
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              ditatis.
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              PROP. CLII.
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              Completa diſſolutione ſalis particulæ eius innatantes non ſu­
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              ſpenduntur ab intestina aquæ commotione, ſed ab eius
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              naturali glutine validiùs operante in ſuperfi­
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              cieculis particularum ſalium.
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              <s id="s.001680">SEd huic difficultati reſpondeo,
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              ab impetu aquę
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              agitatæ, ſed ab alia longè diuerſa cauſa grauio­
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              res particulas innatantes ſuſtineri poſſe. </s>
              <s id="s.001681">Certum eſt
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              corporum particulas quò tenuiores, & minutiores
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              ſunt, eò tardiùs per fluida deſcendere, vt contingit
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              in puluere terreſtri in aere, vel aqua diſperſo, quią
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              nimirùm in hiſce corpuſculis exiguis eorum ſuperfi­
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              cies externa ſemper magis, ac magis creſcit in re­
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              ſpectu ad ſuam grauitatem, vt alibi declarauimus;
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              quia verò menſura impedimenti fluidi externi auge­
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              tur, prout prędicta ſuperficies creſcit
                <expan abbr="cũ">cum</expan>
              nullum cor­
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              pus per fluidum moueri queat, quin ſucceſſiuè è loco
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              anteriori fluidum ei contiguum expellat, quotieſ­
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              cumque vis impulſiua grauitatis minuitur pro molis
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              diminutione, ſuperficies verò in multo minori ſcili­
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              cèt ſubduplicata proportione diminuitur, ſequitur,
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              vt fluidi impedimentum minus decreſcendo, dum̨
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              impetus grauitatis valdè minuitur,
                <expan abbr="tãdem">tandem</expan>
              ad æqua­
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              litatem, & æquilibrium quam proximè accedant, &
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              proindè hoc nomine particulæ minimæ fluido graui­
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              ores motu ſemper tardiori in ipſo deſcendent quo
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              magis eorum moles imminuitur. </s>
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