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="N10ADC">
              <p id="N10AEF" type="main">
                <s id="N10D81">
                  <pb xlink:href="062/01/028.jpg"/>
                tione illorum motuum. </s>
                <s id="N10D94">Deinde eſto demus impulſum
                  <lb/>
                lateraliter abducentem eſſe circularem, non tamen ſe­
                  <lb/>
                quitur motum compoſitum eſſe circularem: nam mo­
                  <lb/>
                tus quidem compoſitus ex motu recto
                  <emph type="italics"/>
                ap
                  <emph.end type="italics"/>
                & circulari
                  <emph type="italics"/>
                a
                  <lb/>
                q
                  <emph.end type="italics"/>
                non in
                  <emph type="italics"/>
                h,
                  <emph.end type="italics"/>
                ut ſupponebatur, verùm in
                  <emph type="italics"/>
                y
                  <emph.end type="italics"/>
                abducit mobile,
                  <lb/>
                propterea quòd interuallum motus circularis in fine
                  <lb/>
                motus compoſiti ſit æquale arcui
                  <emph type="italics"/>
                  <expan abbr="aq.">aque</expan>
                  <emph.end type="italics"/>
                ſimiliter dum ex
                  <lb/>
                  <emph type="italics"/>
                y
                  <emph.end type="italics"/>
                per lineam fertur
                  <emph type="italics"/>
                yz
                  <emph.end type="italics"/>
                æqualem lineæ
                  <emph type="italics"/>
                ap,
                  <emph.end type="italics"/>
                impulſu cir­
                  <lb/>
                culari ſpatium tranſmittit
                  <emph type="italics"/>
                zt
                  <emph.end type="italics"/>
                æquale ſpatio
                  <emph type="italics"/>
                py
                  <emph.end type="italics"/>
                ſeu arcui
                  <lb/>
                  <emph type="italics"/>
                qs:
                  <emph.end type="italics"/>
                dico puncta
                  <emph type="italics"/>
                ayt
                  <emph.end type="italics"/>
                eſſe in lineà rectà, ac proinde mo­
                  <lb/>
                tum compoſitum
                  <emph type="italics"/>
                ayt
                  <emph.end type="italics"/>
                rectum non verò circularem.
                  <lb/>
                Ducantur enim diametri
                  <emph type="italics"/>
                ay. y t:
                  <emph.end type="italics"/>
                quia ergo an­
                  <lb/>
                gulus
                  <emph type="italics"/>
                zyt
                  <emph.end type="italics"/>
                angulo
                  <emph type="italics"/>
                pay,
                  <emph.end type="italics"/>
                hic autem angulo alterno
                  <emph type="italics"/>
                ayq
                  <emph.end type="italics"/>
                  <lb/>
                eſt æqualis, erit eidem angulus
                  <emph type="italics"/>
                zyt
                  <emph.end type="italics"/>
                ad verticem æqua­
                  <lb/>
                lis, ac proinde linea
                  <emph type="italics"/>
                ayt
                  <emph.end type="italics"/>
                recta. </s>
                <s id="N10E26">Ratio autem quamob­
                  <lb/>
                rem impulſus non niſi per lineam rectam moueat, eſt
                  <lb/>
                hæc: quia cùm motus ſit via ad conjunctionem ſeu uni
                  <lb/>
                onem cum ſuo termino, ad quem mouetur, erit non ſui
                  <lb/>
                ſed finis gratia, ac proînde ſicuti nihil deficere, ita nihil
                  <lb/>
                abundare debet: at verò ſicuti in vià rectà nihil de eſt ad
                  <lb/>
                finem conſequendum, ita omnes reliquæ abundant: a­
                  <lb/>
                bundare enim dicitur,
                  <expan abbr="abſq́">abſque</expan>
                ; quo finis poteſt obtineri.
                  <lb/>
                Deinde cùm impulſus ſit agens neceſſarium, habebit &
                  <lb/>
                actionem & modum agendi determinatum; determi­
                  <lb/>
                natio autem non niſi in lineà rectâ eſſe poteſt, cùm hæc </s>
              </p>
            </subchap1>
          </chap>
        </body>
      </text>
    </archimedes>
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