Marci of Kronland, Johannes Marcus, De proportione motus, seu regula sphygmica ad celeritatem et tarditatem pulsuum, 1639

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              <p id="N12068" type="main">
                <s id="N1206A">
                  <emph type="center"/>
                  <emph type="italics"/>
                Lemma I.
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                  <emph.end type="center"/>
                </s>
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              <p id="N12075" type="main">
                <s id="N12077">
                  <emph type="italics"/>
                Si aſſumantur arcus in ratione continuà, quam habent ſinus
                  <lb/>
                intercipientes illos arcus, major erit proportio inter arcus poſterio­
                  <lb/>
                res, quam inter arcus priores.
                  <emph.end type="italics"/>
                </s>
              </p>
              <p id="N12082" type="main">
                <s id="N12084">Sit arcus
                  <emph type="italics"/>
                bd,
                  <emph.end type="italics"/>
                ſinu
                  <emph type="italics"/>
                ab
                  <emph.end type="italics"/>
                &
                  <emph type="italics"/>
                cd
                  <emph.end type="italics"/>
                interceptus, in eadem ratio­
                  <lb/>
                ne ad arcum
                  <emph type="italics"/>
                df
                  <emph.end type="italics"/>
                ſinu
                  <emph type="italics"/>
                cd
                  <emph.end type="italics"/>
                &
                  <emph type="italics"/>
                ef
                  <emph.end type="italics"/>
                interceptum, in quà ſi­
                  <lb/>
                nus
                  <emph type="italics"/>
                ab
                  <emph.end type="italics"/>
                ad ſinum
                  <emph type="italics"/>
                cd:
                  <emph.end type="italics"/>
                & rurſum arcus
                  <emph type="italics"/>
                df
                  <emph.end type="italics"/>
                àd arcum
                  <emph type="italics"/>
                fh,
                  <emph.end type="italics"/>
                ut
                  <lb/>
                ſinus
                  <emph type="italics"/>
                cd
                  <emph.end type="italics"/>
                ad ſinum
                  <emph type="italics"/>
                ef
                  <emph.end type="italics"/>
                ; dico proportionem tam inter ſi­
                  <lb/>
                nus, quam inter arcus illis ſinubus interceptos conti­
                  <lb/>
                nuò fieri majores, nimirum proportionem ſinus
                  <emph type="italics"/>
                cd
                  <emph.end type="italics"/>
                ad
                  <lb/>
                ſinum
                  <emph type="italics"/>
                ef,
                  <emph.end type="italics"/>
                & arcus
                  <emph type="italics"/>
                df
                  <emph.end type="italics"/>
                ad arcum
                  <emph type="italics"/>
                fh
                  <emph.end type="italics"/>
                eſſe majorem, quam
                  <lb/>
                ſinus
                  <emph type="italics"/>
                ab
                  <emph.end type="italics"/>
                ad
                  <emph type="italics"/>
                cd,
                  <emph.end type="italics"/>
                aut arcus
                  <emph type="italics"/>
                bd
                  <emph.end type="italics"/>
                ad
                  <emph type="italics"/>
                df.
                  <emph.end type="italics"/>
                Aſſumatur enim ar­
                  <lb/>
                cus
                  <emph type="italics"/>
                bd
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                grad: 9.
                  <expan abbr="eritq́">eritque</expan>
                ;
                  <emph type="italics"/>
                ab
                  <emph.end type="italics"/>
                100000. ſinus totus,
                  <emph type="italics"/>
                cd
                  <emph.end type="italics"/>
                autem
                  <lb/>
                  <emph type="italics"/>
                98769.
                  <emph.end type="italics"/>
                ſinus grad.
                  <emph type="italics"/>
                81.
                  <emph.end type="italics"/>
                quòd ſi ergo fiat ut
                  <emph type="italics"/>
                ab
                  <emph.end type="italics"/>
                ſinus totus ad
                  <lb/>
                9, ita ſinus grad.
                  <emph type="italics"/>
                81.
                  <emph.end type="italics"/>
                ad aliud, prodibit arcus 8 in datâ ra­
                  <lb/>
                tione, quam habet ſinus
                  <emph type="italics"/>
                ab
                  <emph.end type="italics"/>
                ad
                  <emph type="italics"/>
                cd,
                  <emph.end type="italics"/>
                ſi minutias omittamus.
                  <lb/>
                Simili modo ſi fiat ut ſinus
                  <emph type="italics"/>
                cd
                  <emph.end type="italics"/>
                grad:
                  <emph type="italics"/>
                81
                  <emph.end type="italics"/>
                ad arcum
                  <emph type="italics"/>
                df
                  <emph.end type="italics"/>
                grad.
                  <lb/>
                8, ita ſinus
                  <emph type="italics"/>
                ef
                  <emph.end type="italics"/>
                grad.73 ad aliud, prodibit arcus
                  <emph type="italics"/>
                fh
                  <emph.end type="italics"/>
                grad. 7.
                  <lb/>
                  <expan abbr="atq́">atque</expan>
                ; ita conſequenter inuenientur arcus reliqui, quos di
                  <lb/>
                co majorem rationem habere ad arcus proximè ſequen­
                  <lb/>
                tes, quam ad hos habeant arcus proximè antecedentes.
                  <lb/>
                Eſt enim major proportio grad. 8 ad 7, quam grad. 9 ad
                  <lb/>
                8: & grad. 4 ad 3, quam grad. 5 ad 4.
                  <expan abbr="atq́">atque</expan>
                , eadem eſt ratio </s>
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