Borelli, Giovanni Alfonso, De motionibus naturalibus a gravitate pendentibus, 1670
page |< < of 579 > >|
    <archimedes>
      <text>
        <body>
          <chap>
            <p type="main">
              <s id="s.001037">
                <pb pagenum="200" xlink:href="010/01/208.jpg"/>
                <arrow.to.target n="marg266"/>
                <lb/>
              aut hydrargyrum; procùl dubio corpus L intra flui­
                <lb/>
              dum M demerſum ſursùm aſcendet. </s>
              <s id="s.001038">
                <expan abbr="Demonſtrandũ">Demonſtrandum</expan>
                <lb/>
              modò eſt idipſum non ſpontaneo motu ab intrinſeco
                <lb/>
              principio leuitatis aſcendere. </s>
              <s id="s.001039">Si hoc enim verum̨
                <lb/>
                <figure id="id.010.01.208.1.jpg" xlink:href="010/01/208/1.jpg" number="79"/>
                <lb/>
              non eſt, ſit, ſi fieri poteſt leuitas
                <lb/>
              corporis L naturalis cauſa, &
                <lb/>
              virtus à qua ſpontaneo motu
                <lb/>
              ſursùm impellatur in fluido M.
                <lb/>
              </s>
              <s id="s.001040">Et primò pręparetur infima ba­
                <lb/>
              ſis AB cylindri homogenei ipſi
                <lb/>
              L, vt nimirùm ei vniatur ferru­
                <lb/>
              mineturque lamina aliqua vi­
                <lb/>
              trea, vel metallica, quæ ſit op­
                <lb/>
              timè explanata, & læuigata, & eiuſdem materiæ, at­
                <lb/>
              que figuræ, & læuitatis ſit pauimentum, vel fundum
                <lb/>
              putei DE. </s>
              <s id="s.001041">Secundo loco reperta iam ſit
                <expan abbr="mẽſura">menſura</expan>
              cer­
                <lb/>
                <arrow.to.target n="marg267"/>
                <lb/>
              ta, & determinata illius virtutis, quæ requiritur ad
                <lb/>
              ſeparandam, & diuellendam ſuperficiem vitri AB ab
                <lb/>
              immediato contactu cum fundo putei DE, ſiuè vis
                <lb/>
              illa, quæ ſuperare valet reſiſtentiam prædictarum̨
                <lb/>
              ſuperficierum ſe tangentium ad vacuum admitten­
                <lb/>
              dum; ſupponamuſque huiuſmodivim eſſe æqualem̨
                <lb/>
                <arrow.to.target n="marg268"/>
                <lb/>
              ponderi G, atque reperiatur cylindrus AC eiuſdem
                <lb/>
              materiei L itaut vis leuitatis qua conatur ſursùm mo­
                <lb/>
              ueri in fluido M vna cum vitrea lamina AB maior ſit
                <lb/>
              vi, & energia ponderis G, ſitque vis illa leuitatis æ­
                <lb/>
              qualis potentię H. quapropter vis qua ſolidum AC
                <lb/>
              conatur, & impetum facit vt ſursùm in dato fluido
                <lb/>
              aſcendat, maior eſt illa vi, & facultate, quæ requi-</s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>
Impressum