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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 422, page id 779785487:0480
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422.
PE ZSTOK T R A CT. IV.
mutata lucidi incensione, spherae luminis rlcimarum superficierum
actinitatis erunt vr intensiones lu- sine ve iplae Cupertcies; e cum
cidi: Probatur quia cum effectus
HnE DE CaULA, PCF 2Z. CONIHHC,
ee cum effectus luminis sine in
eriplicata radiorum; icemque
sphaerae, in eriplicara radiorum;
Cerre effectus luminis, ve sphae-
ras esse necelle est; led effectus
luminis lune re incentiones luci.
dorum, poliro quod caneum pun-
aum EE, re pacet; igieur sphae
ex activitaris lune ve ipla incen-
tiones; hinc sic lucidum pun-
ctum A; sic aliud B, duplo in-
ten(IuS; Sphaera B est dupla A;
Si vero uc eriplo incensius, eri-
pla; st quadruplo; quadrupta,
eic.
DROP. LZXVI
TTinc diametri sphaerarum sunt
En ratione subtriplicata intensionum:
Ouod Facile probo; quia cum
Ephaera Cine ve incensiones, ee
vicissim, cerre cum radii (INC
in Luberiplicaca sphaerarum, erunt
quoque in luberiplicata inten-
SiOnum; V. 9. SI IITen(IO B SIE
Octupla alcerius A,. diaCTEF
sphaera B, eric dupla diametri
Sphaerae R; si vero incensio B (E
dupla, vel quadrupla, inter dia-
metrum A, e duplam line dux inc.
dix proporrionales, minor, erie
diamerer dupla; maior vero, qua-
drupla, ec.
PROD. LZ ZVIL
FIinc lumina, in prima supersi
cie sphaerae, sunt ut oltima suxer-
ficies: Polito quod cora vis lu-
cidi in centro collect a eAe LupPo.
macur; PEObREUE quia Cum POETIONES
aequales line, in omnibus luper-
fciebus eiuldem sphaerae; deni-
que cum lumina aequalium (u-
perhcierum Cine ve portiones lu-
minis, quod ipsis inest; cumque
Prima Cuperticies cuiuluis (phae-
a aqualis sc, polito quod eo-
ta vis lucidi in cenero collecta (IF;
certe lumina in prima Cuperticie,
Cune ve portiones luminis, igieur
ve rlcima superticies..
PROP. LXZVIII.
In medio densiore, idem luci-
dum contractiorem habet spharam:
Ouia cum cumdem effectum idem
lucidum producar. line in den-
liore, siuc in rariore medio;
nempo caula necellaria agie quan-
cum porest; ec cum in densiore
medio contracto, FOE LInE PAE-
tes Cubiecti; GNOE In FATIOTe ex-
plicato; denigue cum cadem lir-
minis porrio coridem parribus
Cubiecti distribuaruE, VE PateL;
cerre contractiorem luminis (pha-
ram, in dentiore medio, ab co-
dem Scilicet lucido, elle necesse
est; Sed de diffusione lucis, in
diversis mediis, lib. Pequenti; ex
protetso asemus, cum de retra-
etionibus.
DROP. LXXIZ.
Si lumen diffunderetur mata pro-
pressionem geomerricam duplam nu-
merorum 1. 2. 4. 8. 16. C. plus esset
laminis, in primo pancto, Guo
in reliquis einsdem rady: Sic enim
racius CD; Centrum C, exIrC- Fi8. 3.
mitas D; sic lumen in vlrimo
PUNCtO VET. TI VE 2. EUIIM VE
4. Cum YE8. acque ica deinCepS,
IIIXCA