746346

Index T

ra~atuum ~

; 2 ,

/i11ea ab ornlo ad 'entr11111 cirrnlt duEla

c1)m

duabtts diametri• ..qua/es angu/os faciat, 111« ap–

parebmtt <fqttales

Ji in..qualrs angulos compre–

/Jendat, illa apparebir major C/1111 quo angu/11111

reétumJaciet, niotlo

fit

major

[en11didmetro

cir·

c11li.

ibid.

23.

Si linea ab oc11/o ad centrum cir,culi

obliqu~

d11c1a,

minor fuerit femidiamctro e;ufdem circuli,

ett

dia–

merer ad q111m1 perpendicularú fuerit

mínima

apparebit,

qtt.tm

diametrum 1111tgü obliquc

inctdet, ea major videb1rur.

427

24.

Si fPeElata 111ag11it11do ad pla11m11 circuli reEla 1110-

ve11t11rfi1prd. ejus circumftrcnriam

6 .....

oc11/11s

/it

in cmrro circuli

;

fempcr ..qua{is apparebit jpc–

nata maJ!.nirudo.

ibid.

25.

Si 1m1g111t11do

i11

centrocirc11li cre{/a jit perpemli–

cul1zriter ,

oculus

moveantr m crrc11mfere11ria

circrdi

1111tgmtudo ftmper apparebit ..qu«lir,

428

z6.

Si !mea ,ulplanum circulifuerit obliqua

111ove11-

tt1rq11e i11 ejus circumferenri.1. fonper fibi ipfi p,1-

rallel.1 , oculo in centro co11fiflcnrc, eo apparen–

ttdlll

111i¡1orc111 /jflbcbir

/¡,.~

linea, quo removebi–

tur magis

diametro cum qua 111i11ore111 fi1cit

ailgul1m1.

ibid.

27. ObjeElum potejl vicinius

eJfe

oc11/o

.tquale, im-

1110

111i¡¡1u apparerc.

429

28.

Immota magniwdo ..qua/is apparct aliq11ando

appropi11qua11re ad eam oculo.

ibid.

29. Ex eodem loco

du.t magnitudmes «qua/es, in.t-

quales apparcnt.

ibid.

30.

In«q11ales 111ag11irudines ex uno eodemque loco ali-

quando appare:nt «qua/es.

ibid.

31.

.Si m interfe{/io11e did111etrort1111 Jit line.t ad pla-

11um quadrati re{/a,

cxcitetur linea obliqua,

ftd «qu1dis ftmidiametro

«qua/es apparebunt

diametri.

430

3i.

An apparentes 111agnit11di11es fint 111í11ores veris

hoc

eft a11 objeéta 111ajora fi11t

q11i1111 appareant.

ibid.

33.

De vifione jigur.t

confeque:ntibus jiguram.

431·

34.

An oculusfallatur.

433

35'·

.1Equali11111 imerval/omm in eadem linea collocaro-

mm, qu" ita dijfita.¡imt, 11t dedifla11rí.1. j11di-

carc 11011,pojfim11s, 111i110ra 1ff>pare11t.

ibid.

36.

Sp.wa

para/lela coarffari videntur.

434

37.

Si duo corpora in eadem /ere line.1. ornlo 06jicú111-

tur

n11/lumq11ejit vifibile corpus imer 11tr11111q11e

i11terjefl11m,in dij/amia majori, lu.c corpora c01f–

j1111gi vidc11t11r.

ibid.

38.

Dts1anri" ex objeElormn dijlinflione,

colomm vi

percipitur.

436

39.

Linea direflt: owlo obje{la apparet p1mét11111,

fo–

perficiesut linea, corpus aliq11ando

111

fuperficies;

Qb{ique

ver~

11t linca,ft1perficies ut corpus.

ibid.

4 0.

Eadem quautitM obliq11iu1 vífa in eadem tamen

dijlanri.1.

;

ftd mafari quam Jit ipfii q11antitM,

111i11or apparet.

437

4 1.

Figura. 1111dtilater« in 111ag11a dijlami,1 apparent

rot11nd«.

ibid.

+i.

Linea curva, in plano per ocult1111 dcfcripta, appa-

rer rec1a, quando d1s7ing11i 11011 potejl.

ibid.

43·

U1111s oc11/u1 videt 1111111ls qt¡dm dimid1a111 parten•

JPha.r«,

id q11od videt11r circulo comprehendi-

tllr.

4 38

~4· Sph~ra

emhulsjfc{/ata apparet circ11/us.

ibid.

45·

Oc11/o ad JPh«ram accedente illi11s minor pars

dctegit11r

qua. tamm major apparet.

439

46.

D1'.o oc11/1 i¡nmoti, ex

JPh«r~

c11j11s diamercr a.qua–

/¡¡

fit dijlantJ<t oc11lom111 inter

fa,

mimls

qulnn

hemifP/J"rium vide11t.

tamen moveantur cit•

ca co111m1111em axem

hemiJPb.trium tot11111 fi1c–

ce[five fPeétab1mt.

ibid.

47.

Si oc11/orm11 dijlantia major fi1erit diametro

etr~

culi

ab utroque oculo circa comnumem axem

perpendimlarif'er moro

plufquam lmnifpb.tr1wn

videb1t111.-

440

48.

Qf!_«ctmque vident11T

in boropterem trm1iferrm-

ili~

49.

N11//11m objeEl1111i in /Joroprere pofir11111, ge111i1111m

apparet.

441

50.

Jnflmmentum co11ficere, quo qu.tc11111q11e de borop-

tere dicunwr, e.<periri pojfimm.

44z.

5¡.

Objeélmn extra horopterev1 pofit11111, geniimm:

~p-

p,iret.

ib1d.

52.

Duo objell" un¡1111 oójeilum apparere pojfimt.

ibid.

53.

Si objeéla extra boroprerem ajfi1111pta, 11011 fint

i11

d11oht1s rudiil in horopterc co11rnrrcnri!J11s

quod–

libet dt1plicat11111 apparebit

quamor TJideb1111-

Si objefl11111 fi1erir in axe co111;1111'.ii

loca illim

_1•ifit

in horoptere fi1111pta, "que dijlabtmt

obJeElo

e/are

vifo :

C/1111vero fi1erit axis ad conj1111ge11te111

obliq1111s

loctlf

111111<

magil dij/are videbit11r ab

objeéto pri11cipali

quam aht1J.

ibid_.

55.

Si duo ob1eEla «qua/1ter ab /Joroptere dijfita, ge1111-

n,tta wdcanrur, locaapparmtia 11tri11fque «quali–

ter ab invice:n1 dijlab11ÍTt.

ibid.

56.

Objeéf1 inrer /Joropterem

OCl//os pojiti /ocus vijiis

ab oculo dextro

ejl

finijlerior

;

objefli ultr.t ho•

ropurem pofiti locm vifiu finijlerior

rejJondet

oculo finiflro.

ibid.

57.

Si duo ob;eéla in axe conmumi flarua11t11r,

al–

ternatím in ipjit axes tjcftgantur

mmt loca ap–

parenria miim «que dij/antia apparenm inter

ac loca.appare:ntia alterittJ.

444

58.

ob;eEla extra pla111m1

ax111m

opticomm pofita,

b<tJ

óent apparentiM etiam extra horopterü lineam

pojitM,

illi parallelM.

ibid.

59·

Si axes opttci in

11111/g

propojito objcElo comeniaf1t.

omma geniinari vzdmtur.

ibid.

60.

Si alternat1m oculi dt111da11/11r

aperiantttr'

qt1<fC11mq11e jimt in boropterü pla110 immota ap–

pareb1111r

obj~él

a vero extra horoptcrü p1a11um

fit.t

apparenrer 111ovebt1ntt1r.

446

61.

Qf!_omodo 111or111 l'idearur.

ibid.

6z.

Qf!_-t velocijfime 111oveT1t11r

111Ji fi11t va/de lucida

nullo modo videmur.

447

63.

º-!!."

<elernmefer1111t11r ,Ji r.1men videantur ror11111

per quod femnt11r J).ttium complere vide11r11r.

448

64.

Nlllligantibus navü fiare

lircora moveri

vide11~

·rnr.

450

65.

Si d110 mobília «q11aliter 111oveant11r, q11od longiur

ab oc11lo dif/at mimls moveri videbttl!T.

ibid.

66.

Ott<t celerrime movenrur

i11

maxima dijla1ma

quieflere videbmuur.

ibid.

67.

Inter ca q11« moveri videm11r,ob aJPicientis mowm,

propinq11a 111agi.s moveri

i11

contrari1H p1rrtes vi–

de(lrur

qua111 remota.

45'1

68.

Ocrtlo moto

advertmte ad jimm motum, oó–

jeEla proxíma iJ¡1111ota Vtdentttr

rcmot1 in

eaflem partes 111overi,

ibid.

69.

Si corp115 tenebrojimi 111oveatt1rprope /11cirfum, 111ci·

do morus tribuet11r.

·ibic!.

70. .

Q!!_i

111

orbem altquanditt moti jimt, 011111i,1iu or-

bcm moveri videnmr.

71. Te/falatM imagwres co11.ftmere.

•

ibid.

7z.

In plana jiperficie, i111agi11e111 dijformem delineare,

'JU"