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

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              <s id="s.000169">
                <pb pagenum="36" xlink:href="010/01/044.jpg"/>
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                <lb/>
              quieſcere videatur exercet actionem quamdam
                <expan abbr="cõ-preſſiuam">com­
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                preſſiuam</expan>
              tantæ energiæ quanta eſt eius grauitas; hoc
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              autem facilè percipiemus ſi fingamus duos homines
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              æquè validos & robuſtos qui totis viribus ſe mutuò
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              impellant, vbi manifeſtum eſt quòd exiſtentibus vi­
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              ribus contrarijs inter ſe æqualibus, vt vna alteri noņ
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              pręualeat, tunc neuter luctantium dimouebitur è ſuo
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              loco, ſed ibidem quieſcet, licèt quilibet
                <expan abbr="corũ">eorum</expan>
              vniuer­
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              ſam vim, & facultatem propriam exerceat impellen­
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              do, & repellendo ſuum antagoniſtam, non ſecùs
                <expan abbr="quã-do">quan­
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                do</expan>
              aliquis impellit columnam ingentem vehemen­
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              ter, licèt minimè valeat eam è ſuo loco deijcere, ac
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              commouere, vt nimirum motus progreſſiuus hominis
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              impellentis, aut columnæ ſubſequatur; nihilominùs
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              negari non poteſt motus impulſiuus muſculorum, &
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              artuum hominis impellentis; nec pariter negari po­
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              teſt aliqua exigua & inſenſibilis flexio eiuſdem
                <expan abbr="colũ-næ">colunm
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                næ</expan>
              , quæ ad inſtat arcus, ſeù machinæ æquali vi impul­
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              ſui, & flexioni reſiſtit. </s>
              <s id="s.000170">ſimiliter cùm pila ferrea ſuper
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              baſim, vel laminam vitream innititur concedendum
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              omninò eſt effici conſtipationem quamdam partium
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              ferri prementis, & vitri compreſſi, vt nimirum ali­
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              quantiſper eorum poroſitates
                <expan abbr="cõſtringantur">conſtringantur</expan>
              , eò quòd
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              (vt oſtenſum eſt cap. 26. de Vi percuſſionis) reperiri
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              in rerum natura corpora compoſita
                <expan abbr="nequeũt">nequeunt</expan>
              quæ ad­
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              eò dura ſint vt compreſſioni cuiuslibet corporis reſi­
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              ſtere valeant. </s>
              <s id="s.000171">quod verò prædicta compreſſio vitri ab
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              ingenti pondere fiat patet ex eo quòd augendo ma­
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              gis ac magis pondus comprimens, tandem baſis vi-</s>
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        </body>
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