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

List of thumbnails

< >
211
211
212
212
213
213
214
214
215
215
216
216
217
217
218
218
219
219
220
220
< >
page |< < of 579 > >|
    <archimedes>
      <text>
        <body>
          <chap>
            <p type="main">
              <s id="s.001576">
                <pb pagenum="300" xlink:href="010/01/308.jpg"/>
                <arrow.to.target n="marg404"/>
              </s>
            </p>
            <p type="margin">
              <s id="s.001577">
                <margin.target id="marg404"/>
              Cap. 7. dę
                <lb/>
              natura flui­
                <lb/>
              ditatis.</s>
            </p>
            <p type="main">
              <s id="s.001578">SI modò philoſophari velimus non iuxtà homi­
                <lb/>
              num placita, ſed
                <expan abbr="ſecũdùm">ſecundùm</expan>
              naturæ leges, quatuor
                <lb/>
              conditiones neceſſariæ eſſe videntur ad fluidi conſti­
                <lb/>
              tutionem. </s>
              <s id="s.001579">Primùm vt ſit corpus diuiſum, & ſub diui­
                <lb/>
              ſum in exiguas, & minimas particulas. </s>
              <s id="s.001580">Secundò vt
                <lb/>
              eius figuræ ad orbicularem formam quam proximè
                <lb/>
              accedant. </s>
              <s id="s.001581">Tertiò vt harum ſuperficies, vel ſint per­
                <lb/>
              fectiſſimè lęuigatæ ad
                <expan abbr="modũ">modum</expan>
              ſpeculi, vel
                <expan abbr="ſaltẽ">ſaltem</expan>
              facilli­
                <lb/>
              mè vna ſuper
                <expan abbr="alterã">alteram</expan>
              excurrere, & fluere poſſit. </s>
              <s id="s.001582">Et
                <expan abbr="tãdẽ">tandem</expan>
                <lb/>
              oportet vt omnes habeant
                <expan abbr="æqualẽ">æqualem</expan>
              vim motiuam qua
                <lb/>
              deorsùm tendant, ſcilicèt ſint æquè graues; Poſſent
                <lb/>
              hæc omnia (licèt rudi exemplo) non ineptè confir­
                <lb/>
              mari ſumptis pluribus globulis cryſtallinis,
                <expan abbr="poſitiſq;">poſitiſque</expan>
                <lb/>
              in aliquo vaſe, primò prædicti globuli ad ſigaram̨
                <lb/>
              vaſis adaptantur, & ſi manus vſque ad fundum vaſis
                <lb/>
              immittatur, tunc globuli prædicti locum cedunt, & ad
                <lb/>
              latera excurrunt, præterea poterit moueri vna, vel al­
                <lb/>
              tera pila cryſtallina, quieſcentibus pilis collaterali­
                <lb/>
              bus, vel parum motis; inſuper poſt agitationem ex­
                <lb/>
              planarentur prædicti globuli, non enim aceruum, aut
                <lb/>
              montem efficerent, veluti grana frumenti, aut arenæ,
                <lb/>
              ſed ob eorum læuitatem facilè excurrerent deſcende­
                <lb/>
              rentque versùs infima loca, & ſic ſuprema ſuperficies
                <lb/>
              explanaretur, & proximè horizonti æquidiſtantèr
                <lb/>
              diſponeretur. </s>
              <s id="s.001583">Si poſtea prædictæ ſphærulæ cryſtalli­
                <lb/>
              næ magis exiguæ, & minutæ eſſent, tunc multò faci­
                <lb/>
              liùs prædictæ operationes efficerentur, & ſi tandèm
                <lb/>
              ad ineffabilem paruitatem redigerentur, non poſſent
                <lb/>
              neque tactu neque viſu percipi, ſed apparentem con-</s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>