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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 474, page id 779785487:0532
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PAZSICAE TRAOT. LV.
dentum incidere cenlearur, vepa-
ter; acqui si ex raro in dentum in
cidere censeatur, refringitur in
BR, v. 8. igitur in BKE criam sC.
Fringetur si ex denso in rarum in-
cidat. Dixi, radium illum accipi
Polle pro parallelo, Ecilicer phyli-
ce; nempe planum numquum per-
fecte Lauigacum est; igicur radius
in aliquot semper aspericates inci-
dic; ad dc quod radius indinilibilis
non est machemarice, haberque
Tuam laticudinem, Ceu crassieudi-
nem: denique lucidum indinilibi-
Lc non est; igirur quancumris
oblique planum illud spectet, hoc
est communem mediorum sectio-
nem, Cemper radius secundum
aliquem angulum incidet, qui ca
men- proprei paruicarem, negligi-
tur, e radius pro parallelo cum
iplo plano haberi porest phylice;
in quo nulla est penicus ditticultas,
quidquid aliqui dicane, qui cem-
restaces in bulla excicare viden-
TUF.
Octavo, adde si vis luculentam
experienciam; i enim SIC VaS DOA,
emisphericum, ricreum, aqua
Plenum; signerurque punetum B,
v. 8. Pendulo plumbo, collocetur-
que incra aquam, Ced proxime ad
R, aliquod obiectum; politoque
OeuIO In CO DUICtO AECUS LC y CX
quo praedictum obiectum rideatur,
Ladio scilicer rilorio ducto per B,
v. 9. in F, allumacurque mentura
AECUS FD, cum poliro obiecto ex-
rra aquam sed proxime ad A, cerié
repetitis Capius experimentis, ex
eodem puneto F, radio rilorio du-
eto per B, obiectum vilum est in
R; IgirUE ex HOC experimeNEO nOn
earum pramista conclusio confir-
AAEUT.
Nono, hinc sive radius inciden-
tix ex dento in rarum incidat, le
cundum maximum angulum retra-
ctionis, qui competie obliquissi.
no radio, ex raro in densum in-
cidenci; sive congruar cum ipla
Fectione communi mediorum, idem
vel aequalis verinque est angulus
retractionis; v. g. Sic AB incidens,
exraro in denlum, oblignissime;
licque radius refractus ipli compe-
TenS, BF; cerre li radius FB inci-
dat ex denso, in raru, retrinoi-
cur in BA; igicur peaetaro angulo
incidentia EBD, selpondet angu-
lus reFraCtionis RBA; SE eriAMI LE-
dius incidenria obliquissimus DB,
ex denso in rarum, retringirus it
BR, eAque KBA aequaliS EBD,
Per n. 7. IgItur _RBA;
Decimo, hinc cum duo radii
incidentix EB, DB, quantumris
sine diverlae obliquitaris, aequales
angulosrefractionis Faciane, idcm
quoque de aliis radiis ductis intOF
DB; EB, dicendum elle viderue,
V. 8. de radio MB, ac. quia Ccili-
cet nullum capuc est vnde ina gna-
litas duei posiE: hInC (I AECUS FD
diuidatur bifariam in M, Cicque
MB, radius incidencie, retringe.
EUIF IN BP, CEUHEquO MBD, ABP
aequales; Hlinc perinde retringe-
tur, acque li a pinco B plani. I) A
TeACCECFCEUE; nempe retexio AE
semper secundum angulos reflexio
nIS, aequales anoulis incidentix;
his CriaII EXPCFIMENEA CONTOManE,
quantum scilicer Censit percipi
PostunE.
Vndecimo, Tlinc pilcis inera
aquam existens, alium viderepo-
celt, exrra aquam existentem, li
cecreuera intra aquam existac: v. 8.
sic pilcis M, e alius P; M vide-
bit
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