Huygens, Christiaan
,
Christiani Hugenii opera varia; Bd. 2: Opera geometrica. Opera astronomica. Varia de optica
Text
Text Image
Image
XML
Thumbnail overview
Document information
None
Concordance
Notes
Handwritten
Figures
Content
Thumbnails
page
|<
<
(614)
of 568
>
>|
<
echo
version
="
1.0RC
">
<
text
xml:lang
="
la
"
type
="
free
">
<
div
xml:id
="
echoid-div361
"
type
="
section
"
level
="
1
"
n
="
145
">
<
p
>
<
s
xml:id
="
echoid-s7551
"
xml:space
="
preserve
">
<
pb
o
="
614
"
file
="
0350
"
n
="
367
"
rhead
="
EUSTACHIUS DE DIVINIS
"/>
eſt, alter in apogæo, alter in perigæo, vel ab obſcuris peni-
<
lb
/>
tùs tecti, etiam extra conjunctionem:</
s
>
<
s
xml:id
="
echoid-s7552
"
xml:space
="
preserve
"/>
</
p
>
<
p
>
<
s
xml:id
="
echoid-s7553
"
xml:space
="
preserve
">II. </
s
>
<
s
xml:id
="
echoid-s7554
"
xml:space
="
preserve
">Duo lucidi aliquando videntur à globo Saturni omni-
<
lb
/>
no ſejuncti, & </
s
>
<
s
xml:id
="
echoid-s7555
"
xml:space
="
preserve
">figuramſ phæricam præferentes; </
s
>
<
s
xml:id
="
echoid-s7556
"
xml:space
="
preserve
">hoc ipſum
<
lb
/>
toties accidit, quoties duo obſcuri in conjunctione verſan-
<
lb
/>
tur, alter ſcilicet in apogæo, alter in perigæo, & </
s
>
<
s
xml:id
="
echoid-s7557
"
xml:space
="
preserve
">lucidi hinc
<
lb
/>
inde digreſſi.</
s
>
<
s
xml:id
="
echoid-s7558
"
xml:space
="
preserve
"/>
</
p
>
<
p
>
<
s
xml:id
="
echoid-s7559
"
xml:space
="
preserve
">III. </
s
>
<
s
xml:id
="
echoid-s7560
"
xml:space
="
preserve
">Aliquando lucidi apparent, quaſi lucidæ anſulæ eſ-
<
lb
/>
ſent, vel Lunæ falcatæ; </
s
>
<
s
xml:id
="
echoid-s7561
"
xml:space
="
preserve
">hoc evenit quando obſcuri ſunt qui-
<
lb
/>
dem interpoſiti, non tamen integrum lucidorum diſcum te-
<
lb
/>
gunt.</
s
>
<
s
xml:id
="
echoid-s7562
"
xml:space
="
preserve
"/>
</
p
>
<
p
>
<
s
xml:id
="
echoid-s7563
"
xml:space
="
preserve
">IV. </
s
>
<
s
xml:id
="
echoid-s7564
"
xml:space
="
preserve
">Hinc modò plus, modò minùs diſci lucidi ab obſcu-
<
lb
/>
<
note
position
="
left
"
xlink:label
="
note-0350-01
"
xlink:href
="
note-0350-01a
"
xml:space
="
preserve
">TAB. LII.</
note
>
ris tegitur; </
s
>
<
s
xml:id
="
echoid-s7565
"
xml:space
="
preserve
">unde diverſa phaſis, & </
s
>
<
s
xml:id
="
echoid-s7566
"
xml:space
="
preserve
">diverſa figura; </
s
>
<
s
xml:id
="
echoid-s7567
"
xml:space
="
preserve
">neque
<
lb
/>
hoc teleſcopii vitio Hugenius tribuere debuit, cùm alioqui
<
lb
/>
optima ab authoribus, quos citat, adhibita fuerint; </
s
>
<
s
xml:id
="
echoid-s7568
"
xml:space
="
preserve
">Galilæo
<
lb
/>
ſcilicet, Scheinero, Ricciolo, Hevelio, Gaſſendo, quo-
<
lb
/>
rum figuræ ab Hugenio excuſæ, in hac hypotheſi, nullo-
<
lb
/>
negotio demonſtrari poſſunt; </
s
>
<
s
xml:id
="
echoid-s7569
"
xml:space
="
preserve
">undecima tamen inter alias
<
lb
/>
Fontanæ fabulas referenda eſt; </
s
>
<
s
xml:id
="
echoid-s7570
"
xml:space
="
preserve
">decima tertia, quæ caret
<
lb
/>
auctore, modò tantulùm reformetur, fortè ſuo modo ex-
<
lb
/>
plicari poſſet, in aliquo caſu; </
s
>
<
s
xml:id
="
echoid-s7571
"
xml:space
="
preserve
">ſeptima Hevelii fictitia eſt;
<
lb
/>
</
s
>
<
s
xml:id
="
echoid-s7572
"
xml:space
="
preserve
">ſphæroidem eſſe putavit, ſed hæc figura cæleſtibus globis
<
lb
/>
minimè competit; </
s
>
<
s
xml:id
="
echoid-s7573
"
xml:space
="
preserve
">niſi fortè dicamus Saturnum ellipticum
<
lb
/>
videri, quando obſcuris in conjunctione ſtatutis, lucidi
<
lb
/>
tantulum à conjunctione recedunt, tunc autem anſulæ non
<
lb
/>
apparent.</
s
>
<
s
xml:id
="
echoid-s7574
"
xml:space
="
preserve
"/>
</
p
>
<
p
>
<
s
xml:id
="
echoid-s7575
"
xml:space
="
preserve
">V. </
s
>
<
s
xml:id
="
echoid-s7576
"
xml:space
="
preserve
">Veriſimile eſt, obſcuros æquales eſſe lucidis; </
s
>
<
s
xml:id
="
echoid-s7577
"
xml:space
="
preserve
">nihil
<
lb
/>
enim probat, vel majores, vel minores eſſe, æquales igitur
<
lb
/>
cenſendi ſunt, dum aliquid probet inæqualitatem; </
s
>
<
s
xml:id
="
echoid-s7578
"
xml:space
="
preserve
">immò
<
lb
/>
potiùs æqualitas ex ipſis phaſibus perſuadetur, quartæ ſci-
<
lb
/>
licet figuræ, quintæ, ſextæ, octavæ &</
s
>
<
s
xml:id
="
echoid-s7579
"
xml:space
="
preserve
">c. </
s
>
<
s
xml:id
="
echoid-s7580
"
xml:space
="
preserve
">Arcus enim falcis
<
lb
/>
lucidæ, cavus ſcilicet, & </
s
>
<
s
xml:id
="
echoid-s7581
"
xml:space
="
preserve
">convexus æqualium circulorum eſ-
<
lb
/>
ſe videntur.</
s
>
<
s
xml:id
="
echoid-s7582
"
xml:space
="
preserve
"/>
</
p
>
<
p
>
<
s
xml:id
="
echoid-s7583
"
xml:space
="
preserve
">VI. </
s
>
<
s
xml:id
="
echoid-s7584
"
xml:space
="
preserve
">Linea, vel diameter anſas lucidas connectens, quæ
<
lb
/>
per medium globi Saturnii centrum duci videtur, eſt </
s
>
</
p
>
</
div
>
</
text
>
</
echo
>