Marci of Kronland, Johannes Marcus, De proportione motus, seu regula sphygmica ad celeritatem et tarditatem pulsuum, 1639

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    <archimedes>
      <text>
        <body>
          <chap id="N10308">
            <subchap1 id="N11A73">
              <pb xlink:href="062/01/051.jpg"/>
              <p id="N11A77" type="main">
                <s id="N11A79">
                  <emph type="center"/>
                Propoſitio XVIII.
                  <emph.end type="center"/>
                </s>
              </p>
              <p id="N11A80" type="main">
                <s id="N11A82">
                  <emph type="italics"/>
                Velocitas in fine motus æquali tempore per ſpatium mouet du­
                  <lb/>
                plum velocitatis eodem motu collectæ.
                  <emph.end type="italics"/>
                </s>
              </p>
              <p id="N11A8B" type="main">
                <s id="N11A8D">VT in fig: 5. ſi velocitas motus
                  <emph type="italics"/>
                a
                  <emph.end type="italics"/>
                in tempore
                  <emph type="italics"/>
                ac
                  <emph.end type="italics"/>
                conti­
                  <lb/>
                nuò augeatur; quia hujus augmentum eſt perfe­
                  <lb/>
                ctio intenſiua, ac proinde eo modo augetur, quo trian­
                  <lb/>
                gulum ſibi ſimile manens per poſit: 5. erit velocitas in
                  <lb/>
                fine motus, ut baſis ejuſdem trianguli
                  <emph type="italics"/>
                bc.
                  <emph.end type="italics"/>
                Moueatur er­
                  <lb/>
                go hæc velocitas in
                  <emph type="italics"/>
                e,
                  <emph.end type="italics"/>
                & ſit tempus
                  <emph type="italics"/>
                ec
                  <emph.end type="italics"/>
                æquale tempori
                  <lb/>
                  <emph type="italics"/>
                ac,
                  <emph.end type="italics"/>
                  <expan abbr="eritq́">eritque</expan>
                ; velocitas illo motu colecta quadratum
                  <emph type="italics"/>
                bcde
                  <emph.end type="italics"/>
                  <lb/>
                duplum trianguli
                  <emph type="italics"/>
                abc,
                  <emph.end type="italics"/>
                propterea quòd eandem baſim
                  <lb/>
                  <emph type="italics"/>
                bc,
                  <emph.end type="italics"/>
                altitudinem verò habet æqualem. </s>
                <s id="N11AD9">Quia ergo virtus
                  <lb/>
                dupla in eodem vel æquali tempore per ſpatium mouet
                  <lb/>
                  <expan abbr="duplũ">duplum</expan>
                ,
                  <expan abbr="eſtq́">eſtque</expan>
                ;
                  <expan abbr="eadẽ">eadem</expan>
                ratio velocitatis & interualli, velocitas
                  <lb/>
                in fine motus eodem vel æquali tempore per ſpatium
                  <lb/>
                mouebit duplum &c. </s>
              </p>
            </subchap1>
            <subchap1 id="N11AF0">
              <p id="N11AF1" type="main">
                <s id="N11AF3">
                  <emph type="center"/>
                Propoſitio XIX.
                  <emph.end type="center"/>
                </s>
              </p>
              <p id="N11AFA" type="main">
                <s id="N11AFC">
                  <emph type="italics"/>
                Velocitas in motu grauium collecta ultra ſtationem defert mo­
                  <lb/>
                bile.
                  <emph.end type="italics"/>
                </s>
              </p>
              <p id="N11B05" type="main">
                <s id="N11B07">STatio quidem grauium eſt centrum terræ, ponderis
                  <lb/>
                verò è filo penduli linea perpendicularis, in quà </s>
              </p>
            </subchap1>
          </chap>
        </body>
      </text>
    </archimedes>