Marci of Kronland, Johannes Marcus, De proportione motus, seu regula sphygmica ad celeritatem et tarditatem pulsuum, 1639
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              <p id="N10E5F" type="main">
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                cem æqualis angulus
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                ial
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                major angulo contactus
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                cah,
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                  <expan abbr="atq́">atque</expan>
                ; huic æquali angulo
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                kad
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                : multo ergo major angu­
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                lus
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                gab,
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                  <expan abbr="atq́">atque</expan>
                ; angulus
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                iad
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                angulis contactus
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                cah. kad
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                :
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                puncta ergo circa contactum circuli
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                a
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                majori inter­
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                uallo abſunt à lineà quauis ſecante, quam à lineà conta­
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                ctus, ac cum illis punctis, quæ in linea ſunt tangente,
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                magis accedunt ad naturam lineæ rectæ, quam cum il­
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                lis punctis, quæ in lineà ſunt ſecante: motus ergò à con­
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                tactu per lineam fit tangentem. </s>
                <s id="N10F6E">Quæ igitur circulari­
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                ter mouentur, ſi in illà gyratione ab hypomochlio libe­
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                rentur, motu deinceps recto feruntur, facto initio mo­
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                tus ab illo puncto circuli, in quo ab hypomochlio avel­
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                luntur. </s>
                <s id="N10F79">Ita ergo lapis fundà circumactus, ubi ex illà ro­
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                tatione impulſum collegit, laxatà habenà auolat motu
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                recto per lineam tangentem circuli, cujus ſemidiame­
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                ter eſt longitudo fundæ. </s>
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                Propoſitio V.
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                Impulſus æqualis eodem vel æquali tempore per ſpatium mouet
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                æquate.
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                </s>
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              <p id="N10F97" type="main">
                <s id="N10F99">MAgnitudo ſeu extenſio ineſt motui non perſe, ſed
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                ratione loci in quo fit motus; motum enim mag
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                num dicimus, qui magno, paruum qui paruo ſpatio con
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                tinetur; ſiuè actu habeat illam extenſionem, ſiuè </s>
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