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

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              <p id="N12B71" type="main">
                <s id="N12B85">
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                motus. </s>
                <s id="N12B90">Ab impulſu ergò contrario & æquali nullus eſt
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                motus &c. </s>
              </p>
            </subchap1>
            <subchap1 id="N12B95">
              <p id="N12B96" type="main">
                <s id="N12B98">
                  <emph type="center"/>
                Propoſitio XXXI.
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                </s>
              </p>
              <p id="N12B9F" type="main">
                <s id="N12BA1">
                  <emph type="italics"/>
                Motus ſecundùm quid contrarij per lineam fiunt mediam, cujus
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                interuallam determinat ſinus complementi inclinationis, in ratione
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                quam habent impulſus.
                  <emph.end type="italics"/>
                </s>
              </p>
              <p id="N12BAC" type="main">
                <s id="N12BAE">VI in fig: 2 ſi mobile ex eodem puncto
                  <emph type="italics"/>
                a
                  <emph.end type="italics"/>
                moueatur
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                per lineas
                  <emph type="italics"/>
                ab. af,
                  <emph.end type="italics"/>
                aut per lineas
                  <emph type="italics"/>
                ab. ad,
                  <emph.end type="italics"/>
                & ſit angulus
                  <lb/>
                  <emph type="italics"/>
                baf
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                major, angulus verò
                  <emph type="italics"/>
                bad
                  <emph.end type="italics"/>
                minor recto, erunt hi mo­
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                tus per definit: 5. ſecundùm quid contrarij, ac proinde
                  <lb/>
                in eo in quo ſunt contrarij,
                  <expan abbr="tollũt">tollunt</expan>
                aut
                  <expan abbr="impediũt">impediunt</expan>
                  <expan abbr="ſuũ">ſuum</expan>
                con
                  <lb/>
                  <expan abbr="trariũ">trarium</expan>
                , per definit: 1. impulſus ergo in
                  <emph type="italics"/>
                af
                  <emph.end type="italics"/>
                ab impulſu in
                  <emph type="italics"/>
                ab,
                  <emph.end type="italics"/>
                  <lb/>
                & hic ab impulſu in
                  <emph type="italics"/>
                af
                  <emph.end type="italics"/>
                retractus, quia
                  <expan abbr="idẽ">idem</expan>
                mobile eſſe
                  <expan abbr="nõ">non</expan>
                  <lb/>
                poteſt in pluribus locis, ac proinde
                  <expan abbr="neq́">neque</expan>
                ; pluribus moti­
                  <lb/>
                bus agitari, mouebitur motu inter
                  <expan abbr="utrumq́">utrumque</expan>
                ; medio, cu­
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                juſmodi linea motus
                  <emph type="italics"/>
                ad
                  <emph.end type="italics"/>
                : dico huius lineæ interuallum à,
                  <lb/>
                lineis extremis
                  <emph type="italics"/>
                ab. af
                  <emph.end type="italics"/>
                eſſe ſinum complementi angulo­
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                rum
                  <emph type="italics"/>
                faddab,
                  <emph.end type="italics"/>
                in ratione quam habet impulſus
                  <emph type="italics"/>
                ab
                  <emph.end type="italics"/>
                ad im­
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                pulſum
                  <emph type="italics"/>
                af.
                  <emph.end type="italics"/>
                Quia enim velocitas motus per lineas incli­
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                natas eſt in ratione ſinus complementi illarum inclina­
                  <lb/>
                tionum, per prop: 14. ratio autem velocitatis eſt eadem
                  <lb/>
                quæ impulſus, propterea quòd impulſus eſt agens ne­
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                ceſſarium,
                  <expan abbr="motumq́">motumque</expan>
                ; producit ſibi æqualem per prop: 2. </s>
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