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.001984">
                <pb pagenum="374" xlink:href="010/01/382.jpg"/>
                <arrow.to.target n="marg502"/>
                <lb/>
              ex aliorum Authorum principijs. </s>
              <s id="s.001985">Et primò ſi aquą
                <lb/>
              ſponte ſua aſcendit intra fiſtulæ cauitatem à vi parti­
                <lb/>
              cularum eius ſe mouentium, igitur aut grauitate om­
                <lb/>
              ninò carent, aut in tali caſu eam non exercent (quod
                <lb/>
              vltrò aliqui Authores concedunt) ſi inquam hoc ve­
                <lb/>
              rum eſt, impoſſibile eſſet vt aqua in fiſtula immiſſą
                <lb/>
              perpendiculariter erecta exerceret vllam vim com­
                <lb/>
              preſſiuam deorsùm, & ideò ſi fiſtula infernè prolon­
                <lb/>
              garetur, nullo pacto aqua ibidem deorsùm deſcende­
                <lb/>
              ret, quod tamen experientiæ refragatur, nam
                <expan abbr="eadẽ">eadem</expan>
                <lb/>
              fiſtula cum aqua contenta in aere translata, & per­
                <lb/>
              pendiculariter ad horizontem erecta ſi inuerſo ſitu
                <lb/>
              diſponatur vt pars eius ſupina A fiat prona, aut ei alia
                <lb/>
              fiſtula infernè adnectatur, aqua in ea contenta celeri
                <lb/>
              motu deſcendit, ſi madida fuerit, quouſque prope
                <lb/>
              infimum orificium perducatur; igitur falſum eſt a­
                <lb/>
              quæ in fiſtula contentæ particulas grauitate priuari,
                <lb/>
              proindeque ſponte ſua intra fiſtulam aſcendere. </s>
              <s id="s.001986">
                <expan abbr="">Cum</expan>
                <lb/>
              verò aiunt cauſam prædicti aſcenſus aquæ penderę
                <lb/>
              ex eo quòd eius particulæ naturali inſtinctu feruntur
                <lb/>
              versùs fluidum aqueum, vel aquæ analogum
                <expan abbr="contẽ-tum">conten­
                  <lb/>
                tum</expan>
              in vitri internis poroſitatibus, nec à grauitate,
                <lb/>
              quam negant, impediri poſſunt: ſi hoc, inquam, ve­
                <lb/>
              rum eſſet, madefacta vniuerſa fiſtulæ interna cauita­
                <lb/>
              te, & poſtea exinanita, atque immerſo orificio infra
                <lb/>
              aquæ ſubiectæ
                <expan abbr="libellã">libellam</expan>
              eleuari ſemper altiùs deberet
                <lb/>
              aqua vſque ad fiſtulæ ſupremum orificium, quod ta­
                <lb/>
              men eſt falſum, non ergo ſponte ſua aqua intra fiſtu­
                <lb/>
              lam eleuatur. </s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>