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# Title: [Physica, Id Est, Scientia Rerum Corporearum, In Decem Tractatus Distributa] Physica, Id Est, Scientia Rervm Corporearvm, In Decem Tractatvs Distribvta (shelfmarks Leibn. Marg. 7:1-2; ZEN Leibn. Marg. 7:1-2)
# Folio 167, page id 779785487:0225
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L 1B. II. DE SONIS.
AD, ad quadeatum AFI; X 2d (0- test, qui ad os lognemis proxime ac
num in K, vE 2. 2d 1. id cA, rE
quadratum AK, ad quadrarum
AII; denique ad Conum in L, VE
quadrarum AL, ad quadrarum AFI;
id eAt rc 3. 2d 1. igitur Conus in HI
erit quadeuplus Coni in D; eriplus,
Coni in L; duplus, Poni in I; CIE
autem 4. in EI; in R, erir 2. 11 l
1. =. in D, r. Pari modo omnis
alia proporrio esse porelt, ita ve in
HI, SiC 4. In K, 3. In L. 2. IIL D I,
ridebis Forre chare lector FANEAm
tacilicatem, _ vero tanca es, quan-
tam esse forre nemo credidiller.
PROD. ZC V.
FLinc plures, diuersa audiendi fa-
cultare pollentes, inaqualem sonum,
et aeqnalem, etiam sine tubo, audire
possunt: Nempe Saruaneur in ca
dictantia, in qua Coni (IE vE au
diendi vires, permurando; v. 8.
SINE 4. A, B, C, D, Sicque A Facul-
tas audiendi dupla B, eripla C,
quadrupla D, collocentur ca di-
stanria re distaneia A Cc dupla di-
sanrix D, id est SIE VE 4. 2d 1. IC2
quadratum distantia A, 2d qua-
deatum distantiae D, X vez. 2d 2.
ita quadrarum distantia A, ad qua.
dearum distancix C; X vF2. 2d 1.
ita quadeatum distantiae A, ad qua-
dracum distantiae B; tunc enin
quadraca dictantiarum erune ve vi-
res audiendi, permurando; igicur
tancumdem FOHUS CreLCIE FaTIONC
distantix, quantum decrelcir ratio-
ne facultatis audicus, igitur aequa-
lis a singulis audieur.
PRO. P. 2C V 10
Si sonus ab eodem centro propa
setur, licet vox sit maxime sonoran
airis La in 0. l0c0. collocari Pe
cedat, in quo nibil andiat, modo
nulla fiat ab atomis, vel ab alio cor-
pore restexio: r. 8. lic centrum pro- Fi8. 30
Pagacionis A, excipiarur que POnS
cubo conico BCO, producatur vi-
cerius AB in P, haud dubie s col-
locetur auris inrer duas rectas BP,
BO, nihil prorlus audice, modo
nulla Hac seflexio, vel ab acomis,
quae in aëre Auicane, vel ab aliis
corporibus; nihil enim penirus
Loni directi inter BP, BO, recipi-
cur, re perspicuum est.
PROP. ZCVFI.
Dum quis loquitur, lonsius in eam
partem, quae directe e regione sita
est, sonum promonet; Ratio clari-
lima est; nam de experimento eni-
denei, nihil dico; licet enim hue
illuc aer extrutus ab ore disperoa-
cur, proprer omnimodan resexio-
nem, qua Ac a palari fornice; DluS
camen aeris in cam parcem recta
emirritur, quae ori directe opponi-
tur; hinc concionancis rocem illi
minus audiune, qui a cergo illius
Fune, immo nili Aeret aliqua refle-
xio, licer auris audieneis occipiti
loquentis adhaererer, nihil peniciis
audiret.
eROD. ZCYIII.
Sonus suc cessive propagatur: De
re constat, quod sic, quidquid enim
per morum Localem propagatuI,
TucceMme propasatur, re constae
ex terminis; Led Conus Per morum
propasatur, reiam lupra demon-
Atrarum Fuic; igirur succestiue; id
que moru aequabili, per prOP. B42
 L  10  20. L L20
Fline qui propius ad soidencet cb