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

Table of figures

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              <s id="s.001564">
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              fluidum diuidi poſſe in infinitum in partes ſemper
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              fluidas; qua propter neceſsè eſt, vt tandem diuiden­
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              do perueniamus ad particulas aquę, quę non ampliùs
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              fluidæ ſint, ſcilicèt in quibus non vale at moueri vną
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              eius minima particula quieſcentibus collateralibus,
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              proindeque illæ poſtremæ fluidi particulæ erunt
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                ſiſtentes</expan>
              , quod erat oſtendendum. </s>
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              Cap. 7. dę
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              natura flui­
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              ditatis.</s>
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              Cap. 7. dę
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              natura flui­
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              ditatis.</s>
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              <s id="s.001567">Quòd verò à valdè exigua vi impelli poſſit aquą
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              per vitri poroſitates, patet ex eo, quòd videmus præ­
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              longam trabem ſuper aquam ſtagnantem
                <expan abbr="poſitã">poſitam</expan>
                <expan abbr="trãſ-uersè">tranſ­
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                uersè</expan>
              trahi poſſe à vi exigui capilli, igitur illa exigua
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              vis motiua ſuperare poreſt reſiſtentiam tot partium̨
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              aquæ quot aſſignari poſſunt in prædicta amplitudine
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              trabis. </s>
              <s id="s.001568">Vnde conijcitur, quòd vis, quæ requiritur ad
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              impellendam paruam, & acutam feſtucam natantem
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              debeat eſſe ferè inſenſibilis ob eius maximam minu­
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              tiem, & tamen à tam minima vi mouetur vna aquæ
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              particula non motis collateralibus, & proptereà vis
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              huic æqualis ſufficiens eſt ſu perare tenacitatem, qua
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              aquæ particulæ colligantur, vniunturque, erit igitur
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              energia tenacitatis partium aquæ minimi, & exigui
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              roboris, & propterea ſuperari poterit à puſilla vi im­
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              pulſiua. </s>
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              <s id="s.001569">Nec obſtat, quòd aqua communis non ſit omninò
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              ſincera, & abſque mixtura partium terreſtrium, & ſo­
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              lidarum, nam licèt hoc verum ſit, nihilominùs negari
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              non poſſunt partes puræ aquæ, quæ inter minutiſſima
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              fragmenta terreſtria intercedunt, & ex ſui natura
                <expan abbr="cũ">cum</expan>
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              ſint fluidę, poſſent quidem penetrare interſtitia inter </s>
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