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

Table of figures

< >
[181. Figure]
[182. Figure]
[183. Figure]
[184. Figure]
[185. Figure]
[186. Figure]
< >
page |< < of 579 > >|
    <archimedes>
      <text>
        <body>
          <chap>
            <p type="main">
              <s id="s.001041">
                <pb pagenum="201" xlink:href="010/01/209.jpg"/>
                <arrow.to.target n="marg269"/>
                <lb/>
              ritur ad ſeparandam, & diuellendam baſim AB à fun­
                <lb/>
              do putei DE horizonti æquidiſtante. </s>
              <s id="s.001042">dum igitur ba­
                <lb/>
              ſis AB immediatè, & exquiſitè tangit fundum putei
                <lb/>
              DE, vt ſibi mutuò congruant, exoſculenturque, re­
                <lb/>
              pleatur vniuerſum vas FE prædicto fluido M quouſ­
                <lb/>
              que ſuprema fluidi libella ad ſummitatem C cylindri
                <lb/>
              AC demerſi pertingat. </s>
              <s id="s.001043">Et quia hìc iam exiſtunt, &
                <lb/>
              operantur duæ vires contrariæ, vna quidem H im­
                <lb/>
              pellit ſursùm, eſtque virtus eius leuitatis, alia verò
                <lb/>
              G, quæ huic reſiſtit, & vim deorsùm tendendo facit,
                <lb/>
              eſtque energia contactus ſuperficierum AB & DE,
                <lb/>
              ſeù repugnantia ad vacuum admittendum qua con­
                <lb/>
              trario niſui aſcenſus cylindri AC reſiſtit: Eſtque
                <expan abbr="cõ-traria">con­
                  <lb/>
                traria</expan>
              vis H leuitatis, prædicti cylindri maior virtu­
                <lb/>
              te G tenacitatis, vel repugnantiæ ad vacuum, quæ
                <lb/>
              impetum contrarium deorsùm facit; igitur maior vis
                <lb/>
              leuitatis H neceſſariò ſuperare debet vim minorem
                <lb/>
              G, & proinde diſtrahet diuelletque cylindrum AC à
                <lb/>
              fundo putei DE, atque poſt ſeparationem idipſum̨
                <lb/>
              ſursùm ad ſuperficiem fluidi M impellet, transferet­
                <lb/>
              que; ſed hoc eſt falſum, & contra ſenſus
                <expan abbr="euidentiã">euidentiam</expan>
              ,
                <lb/>
              proptereà quòd numquam contingit vt baſis colum­
                <lb/>
              næ AB ſeparetur à
                <expan abbr="cõtactu">contactu</expan>
              fundi putei DE, licèt ſup­
                <lb/>
              ponatur vim leuitatis quocumque exceſſu vim con­
                <lb/>
              tactus ſuperare, igitur verum non eſt cylindrum AC
                <lb/>
              ſursùm impelli ab intrinſeca, & poſitiua facultatę
                <lb/>
              leuitatis eius, quod fuerat demonſtrandum. </s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>