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="N13CD3">
              <p id="N142A3" type="main">
                <s id="N1436A">
                  <pb xlink:href="062/01/115.jpg"/>
                jus circulum maximum; globus ergo major plagam in­
                  <lb/>
                ducit minorem, quàm ut ſit dupla ad plagam minoris
                  <lb/>
                globi: ut ſi globus major ſit duarum lib: erit ſemiſsis, id­
                  <lb/>
                eſt lib: una, æqualis globo minori; hujus verò plaga ſe­
                  <lb/>
                miſsis plagæ totius minor plagâ totá globi minoris. quia
                  <lb/>
                ergò plaga tollit partem ſibi æqualem, maius erit decre
                  <lb/>
                mentum velocitatis in librà unà, dum extra illud totum,
                  <lb/>
                ſeu globum maiorem & per ſe, ideſt in globo minori mo
                  <lb/>
                uetur. </s>
                <s id="N1439F">Et quia in medio ſimilari eadem plaga continu­
                  <lb/>
                atur, eadem ratio erit decrementi quæ interualli; ut ſi in
                  <lb/>
                toto motu deficiat cubitus unus, deficiet in ſemiſſe hu­
                  <lb/>
                jus motus illius ſemiſsis:
                  <expan abbr="atq;">atque</expan>
                inde ratio conſtat, quam ob
                  <lb/>
                rem à principio motus inæqualia pondera ſimul ferri
                  <lb/>
                  <expan abbr="videãtur">videantur</expan>
                , inde verò magnis à ſe diſiungi interuallis. </s>
                <s id="N143B4">Ma­
                  <lb/>
                lè ergo rationem huius inæqualitatis petunt à proporti­
                  <lb/>
                one illorum ponderum, quæ á ratione creſcentis plagæ
                  <lb/>
                deſumi debet; ablatá enim á grauitate ſeu impulſu parte
                  <lb/>
                æquali ſuæ plagæ, reliquus impulſus dabit illam inæqua­
                  <lb/>
                lem velocitatem. </s>
                <s id="N143C1">Obiicies fieri non poſsè ut eadem ratio
                  <lb/>
                maneat plagæ in illo motu inæquali continuatæ, propte
                  <lb/>
                rea quód aër percuſſus alium percutiat,
                  <expan abbr="viamq;">viamque</expan>
                eá rati­
                  <lb/>
                one aperiat ruenti globo, plagæ imminenti ſe
                  <expan abbr="ſubducẽs">ſubducens</expan>
                ,
                  <lb/>
                non aliter, quám cùm ultro cedentem trudimus:
                  <expan abbr="itaq;">itaque</expan>
                in
                  <lb/>
                relapſu globi maioris, quem ignis in ſublime tulit, pri­
                  <lb/>
                uſquam terram feriat, ab aëris percuſsione hiatum in </s>
              </p>
            </subchap1>
          </chap>
        </body>
      </text>
    </archimedes>
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