Marci of Kronland, Johannes Marcus, De proportione motus, seu regula sphygmica ad celeritatem et tarditatem pulsuum, 1639
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                nem excurrit. </s>
                <s id="N11B67">Quòd ſi ergo impulſus ex illo recurſu
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                collectus aut idem maneat, aut continuò augeatur, quia
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                per prop: 18. </s>
                <s id="N11B6E">Velocitas in fine eodem vel æquali tempo­
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                re per ſpatium mouet duplum velocitatis ex illo motu
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                collectæ, erit ex curſus major recurſu: & quia ex quoli­
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                bet recurſu magis excurrit, erit motus perpendiculi in­
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                finitus. </s>
                <s id="N11B79">At verò hic motus demum conquieſcit:
                  <expan abbr="nõ">non</expan>
                ergo
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                impulſus augeri, aut idem eſſe poteſt. </s>
                <s id="N11B82">Et quia per ar­
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                cus excurrit & recurrit continuò minores, neceſſe im­
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                pulſum minui in illo aſcenſu; quia nimirum inter ſe
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                miſcentur, & in deſcenſu quidem per eandem lineam
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                mouent grauitas & impulſus, quem à grauitate conti­
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                nuo fluxu naſci dicebamus: à ſtatione verò grauitas im
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                pulſui reluctatur: quia nimirum contrarius impulſus
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                ab eâdem grauitate renaſcens tollit partem ſibi æqua­
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                lem, per poſit: 2.
                  <expan abbr="eſtq́">eſtque</expan>
                ; motus reliquus æqualis exceſſui
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                majoris ut Prop: 30. dicemus: ſicut ergo impulſus conti­
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                nuò decreſcit ijſdem, quibus augebatur augmentis, ita
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                uelocitas à ſummo augmento ad finem
                  <expan abbr="uſq́">uſque</expan>
                ; motus con­
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                tinuò fit minor; ſimul verò ſumpta æqualis velocitati à
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                principio motus ad finem
                  <expan abbr="augmẽti">augmenti</expan>
                collectæ: ut ſi in ſig: 9.
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                  <expan abbr="perpendiculũ">perpendiculum</expan>
                  <emph type="italics"/>
                ae
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                ex
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                e
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                recurrat in
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                b,
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                & ex
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                b
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                excurrat in
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                ſi
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                aſ­
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                ſumantur autem arcus
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                bc. bd,
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                &
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                be.bf
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                inter ſe æquales:
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                dico augmentum velocitatis in
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                e
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                ejuſdem decremento
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                in
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                f,
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                & augmentum velocitatis in
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                c
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                ejuſdem decremento </s>
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