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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 227, page id 779785487:0285
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LIBER II. DE SONTS.
secundum diamerrum FIL, de con- tur; lic planum circulare AF, cen.
crahirur, secundum A G; vnde Cx
circulo, sic ellipsis; ex qua dein-
de, per reductionem, Post iinu-
meras vibrationes, AE cireulus;
porroloni, sune re diamerri huiul.
modi circulorum; hoc est Ve pe-
ripheria; hoc est sequuntur lon-
sicudinum proportionem in chor-
dis: idem dicendum est de ZOn2
ferrea, vel corona, quae cancum
ex muleis circulis, vel orbibus
constat, quod enim de vno orbe
dictum est, de aliis dicendum cst:
modo omnes circuli zona aquali
ictu pullentur; hoc est ietus in Om-
DeS CadAE, EE FendAREUE Omnes in
elliples aequales, alioquin ad cam-
Panas res reducitur, de quibus in-
tra; huc reuoca ollea quaedam cre-
piracula, vulgo clignerres, digicis
incerrexra, quibus pueri lude.
re solene, qua Scrirane etiam
chordarum aque censarum pio-
portiones.
PROD. CCKXRIII.
trum C, e peripheria immobili- F1g. 57
Explicari possunt, quae pertinent
ad sonos, qui ex planorum vibra-
tionibus resultant.
ter aHTa; TONdaTUE AUTCM; CCMEIO
Primo, idem dicendum est de
rectangutis, quod de lineis dictum
tuic; nempe mulea linea rectan-
C per lincam CF promoro, live id
Aac per adductionem, vel impul-
sionem, vel percussionem; hoc
polico planum circulare pexetaco
modo centum in Cupertciem coni-
CaITS EAE CONVCTEIEUL; reCtA VerO
gulum faciune, in quo non est diffi-
AE, in angulum AFF; igicur cum
reducitur peaetatum planUm, CHOF
cultas, modo rectangula circa
axem rectangulo parallelum lu-
veneuF, id est, omnes linea in ai-
cus aguales.
da AFF consicie spacium crianoule
AFF; idem dico de omnibus dia-
metris ciuldem plani; igicur eorum
cympanum, ica deinde reducicur,
planum conticir Epacium COni AFF,
in quo non est dithculcas, vel mi-
nOrIS AOE, E minus cendaeur, id
Secundo, si planum circulare
rentum in cenrro pulletur, v. 8.
Cs, si cenerum C ad ducitur rancum
in 6.
resparium confectum sIE COnUS, Cu-
ius balis sic iplum planum, aleieu-
Tertio, hinc spacia decurta ab
eodem plano censo, sunt ve lincae
decurla a CenETO C; V. 9. planuM AF
cenlum in AFF, decurrie sparium
coni AFE; a tensum in ACF, (pa-
do vero Cix linca, a centro plani
TIU CONI AOF ; CCHErUM VerO C,
in prima censione, lincam CF, in
Secunda vero, lincam CG; Sed c0-
HUS AFF, est ad CONUM AOF, VE
2uiS CF, ad CC; Fune enim cont
ciuldem basis ve eorum alcicudi.
nes; igitur sparia a coro plano
decurla, lune re decurta à cen-
EIO.
Ouarto, si plana circularia lune
inaequalia, _ aequalirer rendan-
tur, lpacia decursa, dum reducun-
tuE, Pune in criplicata diameeron
rum basIs, v. 8. sic planum AF,
censum in AFE; sparium quod de-
inde decurrie, vbi reducieue, est
CONUS AFE; SC aliud planum cir-
culare BD, cuius diamerer sIE BD.
Tubdupla AE, COMIMUNI CCNETO C,
aeguerentum in BGD; Spaciums
decurla, quod ve melius incelliga quod decurrie rbi reducitur, cR
CORDLLS