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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)
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PROPOSIEIONVH
50 Luminis disfusio ira considerari porest; vt ab eodem centro diffundi radis
censeantur.
S+ Lumen in infinicum non disfunditur.
52 Tumen in orbem diffundiur modo corpus lucidum sphaerieum sit.
53 Sphaera diffusionis, vel actinisatis vlrimam superficiem habet.
54 Lucidum acir in singula puncta vlsime superficiei.
55 Dlrima puncta sphara habent aliquam exrensionem
56 VI diffasio recte fiat, medium homoceneum esse debet.
4.14
57 Pot censeri debens esse radis, quor sunt puncta in visima superficie spha-
28.
58 Flincrantumdem est luminis in uno areu, quanium in alio.
59 Finc in singulis supersiciebus sphara eadem est vel aequalis luminis enii-
1ad.
60 Tlinc luminis intensiones sunt ve ipsa superficies, permutando.
ibid.
Ct Luminis ab eodem cenero propacari intensiones sunt vt bases conorum,
sub eodem angulo, permutando.
62 Lumina sune er quadrata distanciarum permutando.
63 inc habetur proeressio diffusionis luminis, in quolibet radio.
64 Puncta luminis sunt hecerogenea.
ibid.
4L0
65 Si axis coni diffusi luminis per aequalia sermenta dividatur, rantumdem
est luminis in uno solido scemento, quancum in alio.
ibid.
66 Tlinc dici porest, quanca si luminis poriio, vltra, vel citra quamlibet
Superficiem sphaerae.
ibid.
67 Si lucidum esset tancum onum punctum, ranumdem esset lucis in illo
quantum luminis in eota sphara, saltem aequinalenter.
429
68 In praesaris frustis solidis coni secti, luminis intensio aequalis non est, li-
cet luminis portio aeqnalis sit.
ibido
69 In ipsa luminis diffusione, decrescit lumen in ipso radio, salcem aequi-
valenter, versus extremam superficiem sphaera.
ibid.
70 Decrementa illa sunt maiora initio, id est iuxra centrum spharae, mino-
ra, versus finem, vel extremam superficiem sphara; assumpris scilicet
seementis axis aqualibus.
ibid.
F Lucidu non producit lumen imperfectius, es imperfectius; in infiniiu. 420
72 Flinc facile quoque dererminatur diameter sphara.
42 L
73 TTinc effectus luminis sunt in rarione composica vlcimarum superficierum,
es semidiamerorum sphaerarum, quibus scilicet lumen diffusum di
stribuitur.
ibid.
74 TLinc effectus luminis sunt in ratione criplicata diamerrorum sphaera-
2etM.
ibid.
75 Flinc posito quod ab eodem lucido puncto, eoea illuminatio procedat, mu-
raia lucidiimcensione, sphara actinicaris erune ut intensiones lucidi.
422.
76 linc aiametri sphaerarum sunt in ratione saotriplicala etnon. IBa
7 Finc lumina, in prima superficie sphara, sunt et vlcima supersicies.
ibid.
ibid.
475
ibido
ibid.
ibid.
ibid.
1b1a.
426
obiao
ibid.