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# Title: [Philosophiae Naturalis Principia Mathematica] Philosophiæ Naturalis Principia Mathematica (shelfmark Leibn. Marg. 166)
# Folio 333, page id 1041163592:0367
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ERIMOTDLA AATTTEMAETOA
muntur: recedent eaedem versus Medii partes omnes quiescentess LIDEK
tam lacerales KZ eC NO, quam anEeriOreS F G, COqHe PACtO SECUNDOS.
motus omnis, quam primum per Foramen BC cransiie, dilatari in-
cipiet ee abindes tanquam a principio sE CenErO, in parEeS Omnes
directe propasari. Q. F. D.
eROPOSITIO XLIII.
THEOREMA XXXIV.
Corpus omne tremulum in Medio Flastico propacabit motum pul-
suum undique in directum; in Medio vero non Flastico motum
circularem excitabit.
Ca5. T. Nam partes corporis tremuti vicibus alternis cundo ee
redcundo, ieu Cuo ursebune ex propellent parres Medii sibi proxi-
mas, e ursendo compriment caldem et condentabune; dein re-
ditu (yO RIHenE PaFteS COmpressaS recedere e PelC expandere. Joi-
tur parces Medii corpori tremulo proximae ibune ee redibune per
vicess ad iultar parcium corporis illius cremuli: ec qua ratione
parces corporis hujus agitabant hasce Medii parces, hxe similibus
tremoribus asitata agitabunt partes sibi proximas, eaque similiter
agitatae agitabune ulteriores, ex sic deinceps in intinicum. KC
quemadmodum Medii partes primae cundo condenlantur ec re-
deundo relaxantur; sc partes reliqua quoties cunt condensabun
tur, ec quories redeunt selc expandent. RE PFOPECTCA NON OHCS
ibune ec simul redibune (sic enim determinatas ab inricem distan-
tias Tervando, non rarctierent et condentarentur per vices) scd ac-
cedendo ad invicem ubi condentantur, sc recedendo ubi rarcfunt,
aliquae earum ibune dum alixe redeune; idque vicibus: alcernis in
infinicum. Partes aurem cuntes ex cundo condentatae, ob mocum
Tuum proorestirum quo Feriunt obstacula, lunt pultus; SE propte
rea pulsus successiri a corpore omni tremulo in directum prODaSa-
buntur; idque aequalibus circiter ab inricem dictantiis, ob aequa-
lia temporis intervalla, quibus corpus tremoribus suis ingulis
singulos pulsus excitat. Et quanquam corporis cremuli par-
ces cant ec redeant secundum plagam aliquam certam ec. determi-
natam, tamen pulsus inde per Medium propagati selc dilacabune
ad latera, per Propolitionem praecedentem; ec a corpore illo ere-
mulo tanquam centro communi, secundum superticies propemo-
dum sphaericas et concentricas, undique propaBabUNEUT. Cujuo