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

Page concordance

< >
< >
page |< < of 579 > >|
    <archimedes>
      <text>
        <body>
          <chap>
            <p type="main">
              <s id="s.003015">
                <pb pagenum="565" xlink:href="010/01/573.jpg"/>
                <arrow.to.target n="marg798"/>
                <lb/>
              motu, & impetu, cùm in quiete conſiſtat; ergo perin­
                <lb/>
              de reſiſtit ſciſſioni durities vaſis ænei, ac ſi ingens, &
                <lb/>
              vaſta moles ponderis incumbentis ſuſpendi, & ele­
                <lb/>
              uari deberet. </s>
              <s id="s.003016">E contra cogitemus villos internos tu­
                <lb/>
              bulorum aereorum ob rigiditatem, & tenſionem ac­
                <lb/>
              quiſitam à frigore vim motiuam habere, & actu mo­
                <lb/>
              ueri, quatenus aqua exiguam conſtrictionem, & v­
                <lb/>
              nionem pati poteſt; & proinde operari debent
                <expan abbr="eodẽ">eodem</expan>
                <lb/>
              propemodum modo, ac totidem arcus nedum tenſi,
                <lb/>
              ſed qui motum
                <expan abbr="inchoarũt">inchoarunt</expan>
              . </s>
              <s id="s.003017">Ita que habemus corpora,
                <lb/>
              quæ vi motiua, & impetu agunt contra grauitatem̨
                <lb/>
              quieſcentem ipſius aquæ, & reſiſtentiam inertem̨
                <lb/>
              tenacitatis vaſis; cùmque vis impetus maior ſit qua­
                <lb/>
              cumque reſiſtentia quieſcente, hinc fit vt neceſſariò
                <lb/>
              illa vis motiua hanc quantumcumque vaſtam
                <expan abbr="reſiſtẽ-">reſiſten­
                  <lb/>
                </expan>
                <arrow.to.target n="marg799"/>
                <lb/>
              tiam ſuperare queat. </s>
              <s id="s.003018">Et quia huiuſmodi machinulæ
                <lb/>
              villoſæ impetum habentes innumerabiles ſunt, quæ
                <lb/>
              ſimul, & continenter ſuam impulſionem percuſſio­
                <lb/>
              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
                <lb/>
              fluida intra innumeros poros funis inſinuata motu
                <lb/>
              ſuo ſubleuare poteſt ingentia pondera, ſic quoquę
                <lb/>
              copioſiſſimi, & innumerabiles ictus facti à villis in­
                <lb/>
              ternis tubulorum aereorum poſſint pondera, & reſi­
                <lb/>
              ſtentias inertes quieſcenteſque, licèt ingentes, ſupe­
                <lb/>
              rare; ac proindè facile vaſa illa ænea frangere, ac
                <lb/>
              diſrumpere poterit aqua in actu congelationis eius, </s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>