Barrow, Isaac
,
Lectiones opticae & geometricae : in quibus phaenomenon opticorum genuinae rationes investigantur, ac exponuntur: et generalia curvarum linearum symptomata declarantur
Text
Text Image
Image
XML
Thumbnail overview
Document information
None
Concordance
Notes
Handwritten
Figures
Content
Thumbnails
List of thumbnails
<
1 - 10
11 - 20
21 - 30
31 - 40
41 - 50
51 - 60
61 - 70
71 - 80
81 - 90
91 - 100
101 - 110
111 - 120
121 - 130
131 - 140
141 - 150
151 - 160
161 - 170
171 - 180
181 - 190
191 - 200
201 - 210
211 - 220
221 - 230
231 - 240
241 - 250
251 - 260
261 - 270
271 - 280
281 - 290
291 - 300
301 - 310
311 - 320
321 - 330
331 - 340
341 - 350
351 - 360
361 - 370
371 - 380
381 - 390
391 - 393
>
91
(73)
92
(74)
93
(75)
94
(76)
95
(77)
96
(78)
97
(79)
98
(80)
99
(81)
100
(82)
<
1 - 10
11 - 20
21 - 30
31 - 40
41 - 50
51 - 60
61 - 70
71 - 80
81 - 90
91 - 100
101 - 110
111 - 120
121 - 130
131 - 140
141 - 150
151 - 160
161 - 170
171 - 180
181 - 190
191 - 200
201 - 210
211 - 220
221 - 230
231 - 240
241 - 250
251 - 260
261 - 270
271 - 280
281 - 290
291 - 300
301 - 310
311 - 320
321 - 330
331 - 340
341 - 350
351 - 360
361 - 370
371 - 380
381 - 390
391 - 393
>
page
|<
<
(111)
of 393
>
>|
<
echo
version
="
1.0RC
">
<
text
xml:lang
="
la
"
type
="
free
">
<
div
xml:id
="
echoid-div181
"
type
="
section
"
level
="
1
"
n
="
22
">
<
pb
o
="
111
"
file
="
0129
"
n
="
129
"/>
</
div
>
<
div
xml:id
="
echoid-div189
"
type
="
section
"
level
="
1
"
n
="
23
">
<
head
xml:id
="
echoid-head26
"
xml:space
="
preserve
">
<
emph
style
="
sc
">Lect.</
emph
>
XVI.</
head
>
<
p
>
<
s
xml:id
="
echoid-s7358
"
xml:space
="
preserve
">I. </
s
>
<
s
xml:id
="
echoid-s7359
"
xml:space
="
preserve
">P_Unctorum ex inflectione determinatis apparentibus locis,_ con-
<
lb
/>
quieſcere poſſem; </
s
>
<
s
xml:id
="
echoid-s7360
"
xml:space
="
preserve
">ſiquidem exinde magnitudinum apparentiæ
<
lb
/>
deducuntur, quotlibet in ipſis exiſtentium punctorum imagines de-
<
lb
/>
ſignando. </
s
>
<
s
xml:id
="
echoid-s7361
"
xml:space
="
preserve
">cæterùm nè juſto parciùs in hac parte, vel illiberaliùs egiſſe
<
lb
/>
videar, etiam _de rectarum linearum (conſequenter & </
s
>
<
s
xml:id
="
echoid-s7362
"
xml:space
="
preserve
">planarum ſuper-_
<
lb
/>
_ficierum, quibus diſtinctè viſui repræſentandis natur a præcipuè conſu-_
<
lb
/>
_luiſſe videtur) apparentiis & </
s
>
<
s
xml:id
="
echoid-s7363
"
xml:space
="
preserve
">imaginibus expreſſiora ſpecimina quædam_
<
lb
/>
_haud gravabor adnectere._ </
s
>
<
s
xml:id
="
echoid-s7364
"
xml:space
="
preserve
">de quibus etiam circa reliquarum magnitu-
<
lb
/>
dinum apparentias propius ac promptius fiat judicium.</
s
>
<
s
xml:id
="
echoid-s7365
"
xml:space
="
preserve
"/>
</
p
>
<
p
>
<
s
xml:id
="
echoid-s7366
"
xml:space
="
preserve
">II. </
s
>
<
s
xml:id
="
echoid-s7367
"
xml:space
="
preserve
">Notetur autem imprimìs; </
s
>
<
s
xml:id
="
echoid-s7368
"
xml:space
="
preserve
">Sicuti (quod ſæpiùs in antedictis
<
lb
/>
habetur inſinuatum) cujuſque puncti quodammodò duplex eſt imago;
<
lb
/>
</
s
>
<
s
xml:id
="
echoid-s7369
"
xml:space
="
preserve
">una ſimplex, abſoluta, principalis; </
s
>
<
s
xml:id
="
echoid-s7370
"
xml:space
="
preserve
">illa ſcilicet, quæ in recta verſatur
<
lb
/>
ad ſuperficiem inflectentem perpendiculari, perque radians punctum
<
lb
/>
ſimul ac oculi centrum tranſeunte (hoc eſt in communi lucidæ radia-
<
lb
/>
tionis, ſuperficiei reflectentis, ipſiúſque viſionis axe) altera verò
<
lb
/>
relata, mutabilis, ac minùs præcipua; </
s
>
<
s
xml:id
="
echoid-s7371
"
xml:space
="
preserve
">quæ talis eſt reſpectu oculi
<
lb
/>
extra rectam inflectenti ſuperficiei perpendicularem arbitrariè conſti-
<
lb
/>
tuti; </
s
>
<
s
xml:id
="
echoid-s7372
"
xml:space
="
preserve
">ità pari fermè modo duplex cujuſque magnitudinis imago con-
<
lb
/>
cipi poteſt; </
s
>
<
s
xml:id
="
echoid-s7373
"
xml:space
="
preserve
">una quidem abſoluta (quam ſaltem hoc nomine deſig-
<
lb
/>
nabo) quæ ex punctorum ſingulorum in ipſa exiſtentium abſolutis
<
lb
/>
imaginibus quaſi conflatur, illas ſaltem comprehendit (qualis in ob-
<
lb
/>
jecta congrua ſuperficie vividè deformaretur; </
s
>
<
s
xml:id
="
echoid-s7374
"
xml:space
="
preserve
">qualíſque videretur
<
lb
/>
oculo ad infinitam ab inflectente ſuperficie diſtantiam ritè collocato)
<
lb
/>
altera verò relata, quæ oculum reſpicit ubivis in certa poſitione con-
<
lb
/>
ſtitutum; </
s
>
<
s
xml:id
="
echoid-s7375
"
xml:space
="
preserve
">quid velim, & </
s
>
<
s
xml:id
="
echoid-s7376
"
xml:space
="
preserve
">quare ſic diſtinguam ab exemplis benè mul-
<
lb
/>
tis in decurſu proponendis luculenter apparebit.</
s
>
<
s
xml:id
="
echoid-s7377
"
xml:space
="
preserve
"/>
</
p
>
</
div
>
</
text
>
</
echo
>