Marci of Kronland, Johannes Marcus, De proportione motus, seu regula sphygmica ad celeritatem et tarditatem pulsuum, 1639
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                circulum illud punctum, per quod ducitur linea recta,
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                & ſit
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                b
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                : deſcribatur autem circulus minor
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                afp
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                tangens
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                priorem in
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                a
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                : quód ſi ergo punctum
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                b
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                cadit extra pe­
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                ripheriam hujùs circuli, erit angulus
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                bae
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                minor
                  <expan abbr="quidẽ">quidem</expan>
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                recto, major autem angulo ſemicirculi
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                fae
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                contra prop:
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                16. tert: Verùm quia poſſet quis dicere illud punctum
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                neceſſariò cadere intra omnes circulos etiam in infini­
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                tum minores, propterea quòd angulus ſemicirculi ſit
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                major quouis angulo acuto: alià ratione îdem oſten­
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                demus. producatur ergo linea
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                ab
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                  <expan abbr="utrimq́">utrimque</expan>
                ; in
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                g. i
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                ſecans
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                circulum in
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                g,
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                arcus autem
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                ag
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                diuidatur bifariam in
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                b,
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                &
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                ducatur linea
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                bal
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                ;
                  <expan abbr="eritq́">eritque</expan>
                ; angulus
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                hab,
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                  <expan abbr="atq́">atque</expan>
                ; huic ad </s>
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