Marci of Kronland, Johannes Marcus
,
De proportione motus, seu regula sphygmica ad celeritatem et tarditatem pulsuum
,
1639
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N14512
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ritate & tarditate à ſe differentes,
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abbr
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quorũ
">quorum</
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inæqualia ſunt
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durationis momenta. </
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<
s
id
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N1460C
">Quia ergo motus perpendiculi
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eſt illorum menſura; erit quidem æqualium pulſuum æ
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qualis, inæqualium verò inæqualis in ea ratione, in quâ
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velocitas pulſuum. </
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>
<
s
id
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N14615
">At verò recurſus & excurſus perpen
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lb
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diculi ex eadem productione inter ſe ſunt æquales: pro
<
lb
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pterea quód perpendiculum ex quolibet puncto
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expan
abbr
="
eiuſdẽ
">eiuſdem</
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>
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lb
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circuli æquali tempore recurrit in ſuam ſtationem per
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lb
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Prop: 24. ſunt autem excurſus
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expan
abbr
="
quoq́
">quoque</
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>
; inter ſe æquales per
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lb
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Prop: 25. excurſus ergo & recurſus in unà circulatione
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lb
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ſimul ſumpti ſunt æquales excurſibus & recurſibus o
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mnium circulationum ſimul
<
expan
abbr
="
quoq́
">quoque</
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; ſumptis: & quia uni
<
lb
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æqualium pulſuum circulatio aſſumpta eſt æqualis, e
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runt reliquæ circulationes reliquis pulſibus æquales.
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Motus ergo perpendiculi ex eádem productione fili
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metitur pulſus inter ſe æquales. </
s
>
<
s
id
="
N1463A
">Quia verò motus per
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lb
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pendiculi per arcus ſimiles inæqualium circulorum ra
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lb
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tionem habent ad ſe quam ſinus illorum arcuum, hoc eſt
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lineæ ſubtenſæ arcus dupli, per Prop: 25. ac proinde
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quam habent motus per diametrum illorum circulo
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rum per Prop: 15. motus autem per diametrum ſe habent
<
lb
/>
ut quadrata temporum per Prop: 12. </
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>
<
s
id
="
N14649
">Si ſumatur radix
<
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/>
quadrata illius proportionis, quam habent diametri ad
<
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ſe, erunt in eadem ratione tempora motus, in quà radices
<
lb
/>
quadratæ: ut ſi diameter maioris circuli ad diametrum </
s
>
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