Marci of Kronland, Johannes Marcus, De proportione motus figurarum recti linearum et circuli quadratura ex motu, 1648

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            <p type="main">
              <s>
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              vel è tormento bellico excuſſum, medio in itinere detinere poſſe immo­
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              tum: it a ut ne quidem refiliat. id〈qué〉 ſi ſolùm illi alterum globum eius­
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              dem ponderis tangendum ſiſtat. </s>
              <s>Sed rectè ille impetûs naturam aſſe­
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              quutus non eſt
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              Sic ille. </s>
              <s>Verùm hac auſterâ cenſurâ ſatis oſten­
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              dit, nimiùm ſuis ſpeculationibus fiſum, experientiam hic negle­
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              xiſſe, quam etiam pueri globulis ludentes norunt. </s>
              <s>Quòd ſi
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              aliquando experiri lubebit, facilè mihi perſuadeo, virum æqui­
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              ac veri tenacem, non mitiorem erga ſuas de impulſu opinio­
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              nes cenſorem futurum. </s>
            </p>
            <p type="main">
              <s>Priuſquam verò finem faciam, placet aliquid lucis addere
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              his, quæ de oſcillationibus penduli ibidem ſunt dicta. </s>
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            <p type="main">
              <s>
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              An Pendulum æquali tempore recurr at, per arcus maiores
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              & minores.
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                <emph.end type="center"/>
              </s>
            </p>
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              <s>In Prop: 24-aſſumitur motus ex B in D æqualis duratione
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              motui ex D in F: propterea quòd BD ad DF ſit ut AB ad CD:
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                <arrow.to.target n="fig2"/>
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              & ut AB ad CD, hoc eſt vt AW ad WR, ita per prop. 22. vis
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              mouens in B ad uim mouentem in D. eſt enim radius AB </s>
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          </chap>
        </body>
      </text>
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