Descartes, René, Renati Des-Cartes principia philosophiae

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    <archimedes>
      <text>
        <body>
          <chap>
            <p type="main">
              <s>
                <pb pagenum="117"/>
                <arrow.to.target n="marg812"/>
                <lb/>
              eorum vorticese iam debent eſſe ita inter ſe compo­
                <lb/>
              ſiti ut unuſnuiſque in eam partem feratur, ſecundùm
                <lb/>
              quam reliquorum omnium circumſtantium motus mi­
                <lb/>
              nùs illi adverſantur: quia tales ſunt leges naturae a, ut
                <lb/>
                <arrow.to.target n="marg813"/>
              motus cujuſque corporis alterius occurſu facile poſſit
                <lb/>
              inflecti. </s>
              <s>Quamobrem ſi ponamus primum vorticem,
                <lb/>
              cujus centrum S, ferri ab A per E verſus I, alius vor­
                <lb/>
              tex ei vicinus, cujus centrum F, ferri debet ab A per E
                <lb/>
              nulli alii circumjacentes impediant: ſic
                <lb/>
                <arrow.to.target n="marg814"/>
              enim eorum motus optimè inter ſe conſentient. </s>
              <s>Eo­
                <lb/>
              demque modo tertius vortex, cujus centrum non ſit in
                <lb/>
              plano SAFE, ſed ſupra illud extans, cum centris S &
                <lb/>
              F triangulum conſtituat, & qui duobus aliis vortici­
                <lb/>
              bus AEI & AEV in lineâ AE jungatur b, ferri debet
                <lb/>
                <arrow.to.target n="marg815"/>
              ab A per E ſurſum verſus. </s>
              <s>Quo poſito quartus vortex,
                <lb/>
              cujus centrum
                <gap/>
              ſ, ferri non poteſt ab E verſus I, ut ejus
                <lb/>
              motus conveniat cum motu primi quia ſic adverſa­
                <lb/>
              retur motibus ſecundi & tertii; nec ab E verſus V,
                <lb/>
              quemadmodum ſecundus, quia repugnarent primus &
                <lb/>
                <arrow.to.target n="marg816"/>
              tertius; nec denique ab E ſurſum verſus, ut tertius,
                <lb/>
              quia repugnarent primus & ſecundus: atque ideò ſu­
                <lb/>
              pereſt, ut unum ex polis ſuis habeat verſus E alium­
                <lb/>
              que in parte oppoſità verſus B, vertaturque circa
                <lb/>
              axem EB, ab I ad V. </s>
            </p>
            <p type="margin">
              <s>
                <margin.target id="marg806"/>
              LXIV.
                <lb/>
              Omnes lucis proprieta­
                <lb/>
              tes in iſto conatu in­
                <lb/>
              veniri: adeò ut lux
                <lb/>
              ejus ope cerni poſſet
                <lb/>
              tanquam ex ſtellis
                <lb/>
              mánans, etſi nulla vis
                <lb/>
              eſſet in ipſis ſtellis. </s>
            </p>
            <p type="margin">
              <s>
                <margin.target id="marg807"/>
              15</s>
            </p>
            <p type="margin">
              <s>
                <margin.target id="marg808"/>
              20</s>
            </p>
            <p type="margin">
              <s>
                <margin.target id="marg809"/>
              25</s>
            </p>
            <p type="margin">
              <s>
                <margin.target id="marg810"/>
              30</s>
            </p>
            <p type="margin">
              <s>
                <margin.target id="marg811"/>
              LXV.
                <lb/>
              Cujuſque vorticis coelo-</s>
            </p>
            <p type="margin">
              <s>
                <margin.target id="marg812"/>
              rum polos, tangere
                <lb/>
              partes aliorum vor­
                <lb/>
              ticum ab eorum polis
                <lb/>
              remotas. </s>
            </p>
            <p type="margin">
              <s>
                <margin.target id="marg813"/>
              5</s>
            </p>
            <p type="margin">
              <s>
                <margin.target id="marg814"/>
              10</s>
            </p>
            <p type="margin">
              <s>
                <margin.target id="marg815"/>
              15</s>
            </p>
            <p type="margin">
              <s>
                <margin.target id="marg816"/>
              20</s>
            </p>
            <figure id="fig18" number="18"/>
            <p type="main">
              <s>
                <arrow.to.target n="marg817"/>
                <lb/>
                <arrow.to.target n="marg818"/>
              Atque hîc etiam notari debet, nonnihil adhuc con­
                <lb/>
              trarietatis in iſtis motibus fore, ſi trium priorum
                <lb/>
              vorticum eclipticae, hoc eſt, circuli à polis remo­
                <lb/>
              tiſſimi, ſibi mutuò direat occurrant in punao E, in
                <lb/>
              quo ſit polus quarti vorticis. </s>
              <s>Nam ſi, exempli cauſâ, </s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>
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