zio
P H I L O S O P H I
M
Jngens, quas tuimur, rerum fit imaginis nudus.
Jam 1 tubus e genere hoc te per cadellia fe rre ,
Haudlccus ac alii,queat,amplum & pandere mundum, i8 S j
Si geminas inter lentes, ubi jungitur omnis
Cum radio radius, qui pundto advenit eodem,
Et pundh fit imago, loces tu fcilicet orbem,
Interius qui fit vacuus ; quod cernitur intus,
U t bene diltingui haud
confufo
limite poffit;
i8<?o
Praeterea quoque fila loces fubtilia, ut ante
Piximus , ut valeas menfuras prendere certas ,
A t 2 tubus hig alios fuperat
$rum a p e rtu rx fpcculi m a j o r i s ,
(i id n on effet ibi p e rfo ratum ,
te
n on o b ftarct fp ecu lum m inus
jn c c rjc & u m , qui n im irum adve
n iu n t in plano q u o p iam tranfe-
u n te per axem ,
te
x q u e in clin an
t u r ad axem ip fum . Ii icd e u n t
a b illo fpeculo in a ngulis cum
a x e eod em x q u a iib u s i i s , in q u i
b u s a d v e n e r u n t , fed ex parte e-
ju s o p p o fita : in cid un t a u tem in
fp ecri.um m in u s d iverg en tes a
p u n d lo fatis rem o to ab cius fo
c o , n im irum ab illo p u n ft o m e
d io a p e rtu rx fpeculi m ajoris. Q u a -
j c ab ipfo reflexi co e u n t in p u n -
paullo r e m o t io r e , q u am fit e-
ju s f o c u s , a deoque ibi jam co n
cin en t a n g u lu m co m a jo re m ,
q u o m a jo r eft diftantia focalis
fp cculi m a jo r is . H x c lens red dit
Ipfos c o n v e rg e n te s v erfu s p u n -
& u m paullo rem o tius fu o fo c o ,
c u m n im ifu rn accipiat d ivergen
tes ab illa d ecqffation c fatis re
m o ta . A n g u lu s , in q uo co ire n t,
e f t ad h q c m ajo r illo , qui h a b e
b a tu r in ea d ecullation c q u am p ro -
x im e in ration e d ifta n tix ipfius
d ccuflatio n is ad diftan tiam h ujus
n o v i congreffus , q u x eft quam^
p r o x im e ratio d iftan tix
tocaiis
fp ccu li m a j o r i s , prope cujus fo
c u m fic d ccuflatio illa p r i o r , ad
(im ilcm d iftantiam fo calem ipfius
p r im x ocularis . Po rro ocularis
lecu n d a excipit h o fc c radios t u -
longcquc relinquit
Omnes
te j q u am c o e a n t , a d eo q u e in to r
q u et a dh uc m agis ,
te
n ovwm
p r x b e t a n g uli in crem en tu m ,
te
n o v u m regreffum verfus a xem c u m
n o v a d ccullatio n e in h ujus fc c u n -
d x o cularis fo c o , q u x in v e rte n
do in verfio n em d iredtio num re d
dit ipfas co n fo rm e s prim is , cu m
q u ib u s ad o cu lu m im m ed iate a d ve-
n i f f e n t ,
H in c o b binas in verfio n es fa-
& a s in binis d ccuffa tio n ib u s h a
b e tu r v i f i o d i r e d a , & ' o b triplex
a u g m e n tu m a n g u li fa ft u m ptius
a fp ecu lo m in o re , cum ab titra-
q u e c binis lentibus , h a b e tu r in
gen s am plificatio *
i A d d it h ic illud in ge n s c o m
m o d u m pro obfervacioniDUS a itio -
n o m i c i s , quod h ab et
te
tubus
a ftro n om ic u s d io p t r ic u s , q u o d n i
m iru m poffit ipfi aptari m ic io -
m errum : cu m
e n im im a g in e m
objedti diftim ftam e xh ib e at o c u
laris prim a in fo c o a n terio re fe-
c u n d x ; f i l a , v el la m e llx ibi in -
t e r p o fitx d eb e n t in te rcip e re ra
d ios om n es p r o fc & o s ab iis p u n -
6
tis o b j e d i , qui ibi p in g u n tu r ,
ubi ca c o llo c a n t u r . O b ean d em
ra tio n em
d ia p h ra g m a circulare
itid em locatum reddit fatis d iftiu -
& u m cam pi
l i m i t e m .
i P r x c ip u a m hic jure c e le b ra t
h u ju fcc tclcfco p ii
d o tem , q u o d
n im iru m in u tro q u e fp eculo e vi
tetur d iftraclio filorum co lo rato -
