Quafcme A ta lan ta vices habu it, nunc cautus om itte .
Illa levi curfu dum pervolat , atque lequentts
Sc vicillc procos dum jam putat, ecce volutus
1295
In latus excu rrit globus aureus, ilicee ardet
Conlpectum , fidcnfquc fuis legit avte plantis;
Dum lc»jit >exerratque ; a tergo proterit alter :
Tum fubito hxc c itio r ventis & fulminis i^ne
Evafura p rio r lia b it: at provolvitur alterum
1 3 0 0
Ante pedes malum , cum jam jam proxima meta e ft;
Haud minus illa tamen fedhitur capta nitore,
Digrediturque v ia ; metam tenet a lte r, & ipfa
Interea fine honore finu mala aurea portans
Sub juga con jug ii nequidquam ditior ib it.
1305
Ut primum 1 inventum eft aptare, & claudere longo
V itra tubo ( feptem quater e * quo tempore lulira
Praeteriere), in te r non tum nifi bina ferebant;
Nimirum v itrum convexum in vertice fummo
L I B E R O C T A V U S
i 7p
Aptabant, aft in fundo vel utrinque cavatum,
1 3 1 0
Vel minus cx: una convexum parte, cavarum
(^uam parte cx - alia . Jam 'qiro his discrimina v itr is ,
M
2
Ac-
1 H a b e t u r Iiic i n i t i o d e t e r m i
n atu m ip fu m t e m p u s ,
q u o
h x c
N o fte r fe r ib e b a t , n i m i r u m a n
nus 17$0. N a m t e l e f c o p i a falcem
lo n g io ra p r i m o c o n f t r i n f l a fu n t ,
te
in c x l u m d i r e l l a
a G a l i l c o
a n n o
16
io , e x q u o u f q u e ad
J7$o
effinxerant lu (l
i
a
28,
f i v c a n n i
140.
L o n o prim a illa G a l i l c a n a te lc -
lcop ia c o n f l a b a n t b i n i s v i t i i s , a l
tero o b jc d liv o c o n v e x o , a l t c i o
o cu la ri c o n c a v o , v e l /i c l l e t c o n -
c a v o - c o n v c x u m , m a g i s c o n c a v o
q u am c o n v e x o . E t q u i d e m G a -
lik u s ipfc n a r r a t , fc a u d i t o c o m
p e rto H o lla n d i c o , q u o tra n s b i
na v itra t u b o i n c l u f a c r a n fp ic ic -
b an tu r objc<fta a u d ia ,
Se
ad fe n -
fuin a d m o ta o c u l i s ,
d ivin afTe
c o n ftru d lio n c m :
t a m b i n a c o n
v e x a ,
q u a m b i n a c o n c a v a fib i
vifa ad e am
r e m
i n e p t a , c u m
illorum
u t r u m q u e
c o l l i g a t
ra
dios , h o r u m u t r u m q u e d if p e r -
t»ar , a d e o q u e a d h i b e n d a c e n fu is -
ic bina c o n t r a i ii
g e n e r i s ,
a l
te ru m c o n v e x u m , a l t e r u m c o n
c a v u m , ut altero c o l l i g e n t e
a l
te ru m diftrahercc , a c a d h i b i t i s
p lu rib u s c o m b i n a t io n ib u s i n c i d i f -
fc d e m u m in eam , q u x r e m p r x -
lla r c t .
Ind e patet ipfum t u m q u i d e m
p ro rfu s igu.oraflc D i o p t f i c x p r i n
cip ia ,
Sc
cafu q u o d a rii o p e r a
tio c in a tio n is a d m o d u m fa lfa : i n
cidi fle in u n am c com i? i n a t i o n i
b u s ad rem id on eis j n a m A f t r o -
n o m ic a te le fco p ia , q u x a n t e D o l -
lo n d ia n u m c o m p c r t q m a d h i b e b a n
tu r ,
te
v e ro e tia m
c o m m u n i a
p o ft id ip fu m , q u x n o n fin t a e r p -
n n t i c a , c o n fla n t b in is v it r is c o n
vexis , q u x q u id em s u n t m u l t o
p e r f e r i o r a ,
te
ad u fu s A f t r o n o -
m ic o s in
im m e n fu m
a p t i o r a
,
q u a m illa G a l i l e a n a .
1 U t
ip fo ru m t c l e f c o p i o r u m
n a tu ra m e x p o n a t , p r x m i t t i t h i c
ca , q u x p e rtin e n t ad f o c o s r e f
les ,
te
v ittu a le s le n tiu m a n a l o
g o s fo cis fp c c u lo r u m f p h x r i c o -
