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# Title: Philosophical Principles Of Natural Religion (shelfmark Leibn. Marg. 53)
# Folio 208, page id 797370323:0366
# Original at the GWLB: https://digitale-sammlungen.gwlb.de/resolve?id=797370323&page=366
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208
Bgnotophicat Brincivtez
Nlature is constane and uniform in her A-
ctions; aud produces similar L. Hects by (.
milar Instruments. Nor the Nature ot
The Secretions themselves depend upon
thele chree things. r. The different Diau
meter oFche Orifice OFthele Secretory Ducts,
Wrhereby Particles ot a Diameter, sreater
than chat oF this Duet, are excluded.
2. The difterent Angle, wtrich this Duc
malces, wich che Trunk oEthe Artery; For
it is alreads demonstrated, thac aIl Fluids
Press che sides oF che containins Vessel,
and chat in a direction perpendicular t0
chele sides; and this is evidene in che pul
sation oE che Arteries, Cince IC 15, t0 that
pressure, this pulsation is omins. Utis like
rile evident thac the Blood is uro d for
rard by che Force oF the LICart, (0 chac
theMocion ot Secretion must be compoun
ded ot boch chese Mocions. Non cho
ehis lateral pressure, is greater, wrhen the
Velocity oF che loncitudinat Motion is lo,
yec ic is noF in the proporcion of chis Ve
locity; for chis pressure is aliraro Comenhat
even, vrhen che Fluid is ae rest, and is
then
thcc
LIu
dd C
pres
ey c
Flue
bOEt
quat
Paxt
lamc
MItt
boch
etion
etC
nECC
Diat
FOr
15 d
OF. di
Cohie
ehe
+o pC
the
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