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Liber

111.

5)

c:upcda.s non exccdanc. Si carneo

~riél:/:

loqua–

mur Junula crir moles fepacaca , cu¡us figura cx–

ccríor in orbem lld t icar,

&

ulera foff•m, anee

apicern

propugnaculi

collocaca.Ex

hoc flexu fo[_

íz qua: ame angulum def.oforn circularis en, lu–

uula: nomen accepir.

Lunularum he regulz tlaruuncur.

i.

Null:r: caffides [eu lunul:r: adhíbeancur, oi!i

valida pannula aut cornuro defenf:r:.Ratioell: quia

h:r:imoles ira in hoíles procurric,

&

cam longc

di!líra en ab ea valli p•tte ex qua foam defen–

íionern hauric, ur fucile expugnari pollic, m!i ab

alío opere cxcerno defendacur.

2.

Alíq11i volunr ur caffiJes nullis inftruanrnt

alis,qua: hoftibus effcnc inftat loric:r:.

~1od

qui–

dem verum ell: fi ca!lis propugoaculum non am–

bir , fi enim p:trrem faciei regir, al:r: qu:r: adh be–

rencur, /: principali vallo direél:c vidercncur. Ni–

hilominus uc regulis communibus infiftamus caí–

fides alis cueanr.

3. Angulus defeníus cailldis 60 grad;bns mi–

nar non

!ir ,

&

90

non excedat, proprer raciones

fupra aliaras.

4. Capiralis ca!lidis c11rn capirali propHgna–

culi jacear in dircél:um , ur :r:qua\irer facies reg•r.

5.

Apcx eo!lidis ab ea parce

a

qua d' fondicur,

non diftcr pluribus, quam

120

exopedi<.

6. Facies lunul:r: fir 25, a11r ;o exapedarum,

uc falrem

1

oo propugnarorum fir capax.

!ll!!lli1lll1lll~:l)1!1Jli.1!l!l!l!\11lr.i1J!l1lil1!'1il1.lll1.l111llltl!!rl+Jll'1ill'll

P R O P O S 1T

t

O V l.

Pr11xi& GttjJidum fa1' /111111/arnm.

Ad defcribendam caffidem, feu lunulim , pro–

ducarur quammn libuerit capitalis propugnacL1-

externo, duéhquc linea occul GF

6

(,

0

rriangulurn a:quilaterum.

ta

'

at upcr e

V

.!l

dcccrmin>ris pun6:is G & F

.

circinus ad intervallu.m

¡

5_, aut

10 .;,

7.t:~~~~ir

fianc duo arcus fefc mtetlccanrcs

p

a

hoc eft cuil1bcr facici luuula: mbuc

p~~

1

ª~'A,

exapedas.

10

Lu1mla fuam fuffam habet, cnjus lat\tudomc–

diam falcem panern majoris fofí:r: obrineat, po–

tell: majar foffa fieri latior,inrer

pormul.im

,&

c:if–

Gdem ut ha:c opera videanrnr inrra fulfam pofm,

V ia rcéb non feq11icm ad amuffin orones an–

fraél:us foffarum ; led fa:pc bnor evad1t illudque

inrervallum congregandis miliobus accommoda–

ti!limmn cll:,

lll!!lti·OOl!!lllí!llll~N!!!ill'11·íll·l!!i·lllll'111!illl!l1lll"ll'119i!!!!l!íll

PROPOSITIO VII.

De cornmü.

Cornururn

:ft

i:noles feparaca ob arce, in agrum

foburban11m I.ne1s para\lclis excurrens

&

hofti

d.uo

ÍC1~ipropugnac11la,

&

corcinam

unic~m

obji–

c1cns, Figurad1Ípoíiuonem comuci fatis exprimir,

AJhibemr cornurnm pocius

aJ

defendcndam

corri¡iam , q11am ad regc11d11m propt1gnac11l11m,

quia

cl\ffi

duo ej is lacera incer

fe

pa1 alle

la

finr,

fuam defeníio11em

a

íola corcina hauric

>

a

qua

ramen nimium diftac. Nihilorninus urbes Rd1es

G11lic, Z11cphen, Ilreda;, propugnacula h'"bmt

cornucis inftruél:a.

Opus cotn11mm, corcinam omnino tegere paf¿

te'íl:,

alis propugnaculorum in direél:11m

j~cenci­

b11s cum lacenbus cornuti. Potdl: pannula incra

cornumm excicari.qL1od eciam potcll: refcindi fe•

me! ,

&

bis reícillione íimi\is figura:.

li, in eac¡ue abÍcinde

~

crepidine exteriori foffz,

Hz.e

cornnta, íicm

&

coronara

&

forcfp11l:r;

lineam AB, qua: duas tercias parces fae1ei propu-

quia ad hoftcs promovenrur,commodiáima

fo.ne

gnacul~

h.1beat Prod11canr11r icem fJcies propn-

ad erupriones f.1ciendas , modo r2men fofliaac

gna.cuh CD . ED in IF, J:IG Dernque fianc an-

pra:fidiariornm numerus,irem 2d pnr:occupandua:i

gt~h

BAF , BAG 5 finguli íalrem ;o gradu11m, _ aliqucm col1em.

emque

deícn~ra

lnnula.

.

Cornurornm regula: ;

&

axiom2ra fonr

h:i:c.

Po!Timr facies AF, AG,effe parallel:c fac1ebns

i.

Prima comuromm latera finr

paraJ!da,~e.

ED • CD , . vel nonnihil inreríus divergcre, uc

que enim convergere debenc, ne fparium mrer

Je-<

angnlum m1norcm comprchendant.

él:um non ÍLl'Hiciac cortina:

&

duob"s propugna-

Nonn~illi

ira

fa~e•

l11nul:c decerminanr AlTum-

culis, neque icem d;vergere, ne propugnacula

pra ur prrns capiuli AB ducunr f.icie< AFK,AGK

iegantur,

&

inurilí• reddanrur.

·

ad

ptt~él:um

_concursíis crrridinum fuffa:.

i.

Ne !areca comurorum

e~ced~.nr

r

10

exope-

Aha

pra~•s.

Pro<lull:i<. f.ciebus prnrng,,acnli

cl>s,

computando

a

co_rrinis,

li

2b.11s íi1am defe?,-

CD , ED ,

111

F

&

G abfc1ndanrnr línea:

H

G , IP

fioncm hanrianr.

S1 vero !ong•ora fierenr "'

25, aur

}O

pedum, quama baGs val!i, pro opere

ctíam aLt addereotur

a

qu1bus <lcfandcrcbcar,

quz