Benedictus Stay: Philosophiae recentioris versibus traditae, libri X, tomus III - page 303

E t his 1jam facile eft cognofccre , mobilitate
Non conftare fua , dum mutat corpora , lucem ,
Ut quanto minor eft medio diftantia ab axe ,
Major mobilitas tanto (It ; pruinde citata
Trans mage confringens corpus mage diifugit ipfa
1 4 9 *
Lux , at corpus idem motu tranlcurrit eodem ,
Quantumvis vario flexu introgreffa fera tu r.
Propterea lux eft inter nos ocyo r, ipfa
Quam fit in x th e riis , ad nos' (fum labitur , oris
A sole & ftellis, quoniam plus corpora noftra
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Refringunt illam , in regione leviffima quam qua eft,
Si qua eft aura fupe r; noftrumquc per aera primo
Incipiet celerare, parum tam en , ut neque parte
Incrcfcat qux fit ter mille e partibus unq.
Alt aliis c itio r, longequc fugacior ibit
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oq
Corporibus : liquidis accedet tertia in undis
Cursus pars, raris quem tum peragebat in auris;
D im idia trans vitra means properantior ibit
Parte , & adhuc gemina trans durum adamanta volabit.
Verum in corporibus varia hxc qi^xcumque nitentis 150^
Lucis mobilitas fu e rit, mutarier unquam
Non queat in noftris ocu lis , eademque manebit;
Quandoquidem , ut nuper docui , nihil efficit ingens
Tom. U ti
T
T o t
L I B E R N O N U S ,
*8p
1 C o n f c q u it u f
itid e m illu d ,
celeritatem lu m in is e tia m h o m o -
g e n ci fo re d iv e t fa m in d iverfis
m ed iis ita , ut in m e d io m a g is
re frin g e n te fic m a jo r , q u a m in
m in u s r e f r i n g e n t e , c u m n i m i ­
r u m d eb e a t c f l e - m a jo r in ra tio ­
n e e ad em , in q u a e ft m a jo r fi-
nus a n g u li in c id e n t i* ad fin u m
a n g u li r c fr a & i in tra n fitu c x h o c
m e d io in illu d . H in c in a cre n o r
flr o v e lo c iu s e ft lu m e n , q u a m
in x t h e r e , fed p a u lo v e l o c i u s .
N o f t e r a ffirm at , in c r e m e n t u m
v e lo cita tis c llc m i n u s , q u a m fic
r
3000 to tiu s : n a m c x .o p tim is o b ­
fe rv a tio n ib u s fin u s in cid entia: ad
lin u m a n g u li r e fr a t ii ex aethere
m
n o ftru m a c r e m e ft u t r o o o i y
ad
r o o o o o , five , p r o x im e u t
570 1 ad J700 . In a q u a o b r a ­
t io n e m 4 ad 5 a c c e d it trien s v e ­
lo c ita ti p r x c c d c n t i , in v it r o o b 9
ad 2 a cced it d im id iu m .
A d d it, in o cu lis n o ftris v e l o c it a ­
te m fo r e fe m p e r e a n d e m p e r q u a ­
c u n q u e m ed ia t r a n f ic r ic , c u m o b
r a t io n e m expoficarq a & io n e s iu
e g r e flu c q u o v is m e d io d e f t r u a n t
id , q u o d p r x ftir c r a n t in i n g r e f l u .
A d h u c ram en h a b e tu r m e c h o ,
d u s a m e ja m o lim p r o p o fita i n ­
q u ire n d i in in c re m e n tu m v e l o c i ­
tatis , q u o d in a q u a lu m e n h a ­
b e re d eb et ex e ju fm o d i th e o r ia ,
p e r o b fe r v a tio n e s in lliiu t a s tc le -
lc o p i o h a b e n te t u b u m a q u a plc^
n u m ..
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