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

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              <s id="s.003015">
                <pb pagenum="565" xlink:href="010/01/573.jpg"/>
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              motu, & impetu, cùm in quiete conſiſtat; ergo perin­
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              de reſiſtit ſciſſioni durities vaſis ænei, ac ſi ingens, &
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              vaſta moles ponderis incumbentis ſuſpendi, & ele­
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              uari deberet. </s>
              <s id="s.003016">E contra cogitemus villos internos tu­
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              bulorum aereorum ob rigiditatem, & tenſionem ac­
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              quiſitam à frigore vim motiuam habere, & actu mo­
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              ueri, quatenus aqua exiguam conſtrictionem, & v­
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              nionem pati poteſt; & proinde operari debent
                <expan abbr="eodẽ">eodem</expan>
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              propemodum modo, ac totidem arcus nedum tenſi,
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              ſed qui motum
                <expan abbr="inchoarũt">inchoarunt</expan>
              . </s>
              <s id="s.003017">Ita que habemus corpora,
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              quæ vi motiua, & impetu agunt contra grauitatem̨
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              quieſcentem ipſius aquæ, & reſiſtentiam inertem̨
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              tenacitatis vaſis; cùmque vis impetus maior ſit qua­
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              cumque reſiſtentia quieſcente, hinc fit vt neceſſariò
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              illa vis motiua hanc quantumcumque vaſtam
                <expan abbr="reſiſtẽ-">reſiſten­
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                </expan>
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              tiam ſuperare queat. </s>
              <s id="s.003018">Et quia huiuſmodi machinulæ
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              villoſæ impetum habentes innumerabiles ſunt, quæ
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              ſimul, & continenter ſuam impulſionem percuſſio­
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              nemque efficiunt, mirum non eſt ſi ad inſtar pulueris
                <lb/>
              pyrij accenſi innumeris ictibus ſimùl percutiendo
                <lb/>
              fornices cuniculorum crepet, ac diſrumpat, atquę
                <lb/>
              ingentia pondera ſubleuet; & ſicuti ipſamet aquą
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              fluida intra innumeros poros funis inſinuata motu
                <lb/>
              ſuo ſubleuare poteſt ingentia pondera, ſic quoquę
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              copioſiſſimi, & innumerabiles ictus facti à villis in­
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              ternis tubulorum aereorum poſſint pondera, & reſi­
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              ſtentias inertes quieſcenteſque, licèt ingentes, ſupe­
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              rare; ac proindè facile vaſa illa ænea frangere, ac
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              diſrumpere poterit aqua in actu congelationis eius, </s>
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          </chap>
        </body>
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