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

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              <p id="N133B8" type="main">
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                aut maiorem: at verò ſi huius impulſu moueatur glo­
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                bus ligneus, motu agit abitur multò velociore. </s>
                <s id="N13634">Secundò:
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                hanc proportionem motus & impulſus non á mole, ſed
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                á grauitate illorum corporum determinari:
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                ; glo­
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                bus ligneus major, & glans plumbea minor, ſi æquipon­
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                derant, ab impulſu æquali æquali velocitate mouentur
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                Simili modo ſi eandem rationem habeant impulſus
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                quam habent pondera, erit velocitas motus æqualis'
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                Tertió percuſsionem & quæ hanc ſequitur plagam non
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                  <arrow.to.target n="marg8"/>
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                uno inſtanti, ſed in aliquo tempore quantumuis imper­
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                ceptibili perfici: cùm enim plaga proueniat non ex ſolo
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                contactu, ſed ex irruptione violentá, quá veluti pene­
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                trat percutiens percuſſum, non eſſe poteſt
                  <expan abbr="abſq́">abſque</expan>
                ; motu;
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                cùm ergo percutiens tangit, necdum eſt plaga, ſed fit;
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                cujus ſignum fragor â percuſsione non niſi in tempore
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                proueniens. </s>
                <s id="N13665">Sicuti ergo plaga ſua habet incrementa, ita
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                determinatio impulſus: & ſi quod mobile non totam
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                plagam recipit, deficiet
                  <expan abbr="quoq́">quoque</expan>
                ; in eadem ratione impul­
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                ſus. </s>
                <s id="N13672">Quartó: impulſum exſpirare ubi totam perfecit
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                plagam, partem verò non niſi cum parte emori: reſidu­
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                um ergo plagæ ſeu impulſus, ſi nihil eſt quod recipiat il­
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                lam plagam, erit principium motus á percuſsione con­
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                tinuati. </s>
                <s id="N13682">His ſuppoſitis, ita rem tranſigemus ſit ergo. </s>
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                R
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                No
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                1.
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                2.
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                3
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                4
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                5
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                2</s>
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                3</s>
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                4</s>
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                Poriſma I.
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