746346

A:rchiteél:urx

Militaris

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, P R O P O S I T DO LVII.

De fpecHlu.

cula: lignere communirer ex quercu conlhnr. Po(-

Specuhz: font parva: turres, quz in angulo

propugnaculi excirantur, m in iis m.iles unus,

aur alrcr vigiliaS'

(femindlt,)

agac.' lap1dez fqnr,

dum vallum muco infirnicur,•ur l1gnez dum fola

aggefla. humo conflat ; muri, aut

~arietes

rdifle-

re debehr globis majoris fcloperi.

~iare

fpe- fer aggcfla humus iñter duos alfercs imerferi.

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ARCHITECTQRJE MILITARIS

LIBE R

TER T 1 V

De operibus ºexternis.

A C TE N

S partes ej{entiales

q11.e in nulla mrtnitione

deej{e

pojfitnt,

enrtcleavimU1. Explicanda Ji1fcipim1M in hoc übro opera externa

fe11 partes

accident1iles q¡¡,M nonmllJq11am addim1u 11t pernliari modo loca injirm,iora

t1}eam11r' vel lit collem aliq11em pr.tocmpem11s'

q110 damnr1m poj{et mrtni–

tioni nojlr.t. infirri. Nonmilla h11j11fmodi opera non recedrmt longius, fed fire

i¡fa

fo./fa ,

cortintU aret prop11gn11mla teg1mt. Alia veril in hojlem fimmur, eillfque

primmn fiflrmt impet11m

crebrijf¡11e emptionib111 fotigant. Primw ordo parm11las continet

c'!ffrdes

fett

l11mdtU, exteriora va/111, Sewnd11s cornuta, coronata, forcip11/tU tranfveiftU. De

hü ordine dicendam

ejl.

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PROPOSITIO J.

Operr1

e.\·tetntt

cum

emolumento

m11nirio'nib1n

add1m111r.

r Moveci porefi ha:c qua:füo generalis, an opera

externa majus damnurn inferant munitioni, íeu

obfdiis , quam pr:elidium. Multa in urramque

partem profernmur , pletiíque ea probamibus,

11onnullis rejiciemibus,quorum hz funt raciones.

Prima. Obíeíforum vires bis operibns defcn–

dcndis nimis diflrahuntur , ideoque difficile non

erit hofü numeroío lingula feparatim iuvaderc,&

propugnatores opprimere.

Cum hzc opera qua parre urbem fpe–

étam aperra lim, faoü/: a tergo invaduntur,& ex–

pugnanmr. Ita vidimus in Belgio ,

Hollandia,

omnia opera

ext~rna

primo congreffo , non fine

obfclfornm magna flragc expugnata fni rfc.

3. Ab omnibus meri1 0 rejiciunrur propugna–

cula feparara , co quod vix ac ne vix quidem de–

fendantur, propter difficu\carem traníininenda:

f~lfa:,

pra::cipuc li plena

lit,

mincndique auxilii.

Sic fupenoribus bellis,vidimus in Belgio expug- ,

natas parmula.s co quod periculoíus é!fer tranli–

tus pomibus aur naviculis, nec qui in vallo fla–

r~nt

commilironibus Cuis fruíl:ra opem inclam\l.n–

ubus pr:eflo erre polfenc. Q!;iid funt antem opera

~uema

niG propuguacula feparara,

H.rc

opera exrerrra ab bofübus océupata

damnum inferunt obíellis, cum locum

marc–

riem excirandis ronnen ornm fuggeflis, feu rri–

bunalibus fuppeditent. Ita Parmula

Turcis oc–

cupata, ruinam Famagufia:

Alba: R egali intu¡

lit, rormemis inde quali

fuperiori loco dero–

nanribns.

O pera externa Ínnt parmulz, ve! caffides

feu Lunula: propuguaculornm angulis objcél:a:

vel cornma ,

coronara , alia ením ad bzc re–

vocanrnr parnmlz inurilirer cortinam rnramur,

hinc inde propugnaculis jam defeníam. Lunula:

feu caliides propngnaculorum angulis objeél:a:

plerifque rejiciumur, faltem

íola: adb1beantur,

eo quod non fatis defendanur ' quod nitra ma–

joris fclopi jaéhun di!lem abala,

qna fuam de–

fenÍlonem hanrium. Comnta vero ,

coronara

cortina

propugnacnlis con(hnr,qna: ex princi–

pali vallo non videnrur , contra rcgularn genera–

lem opcn1m cxrernomm, qu:c jllber,

ram inrc–

rius, qnam exrerius pateam.

~anwis

ha: rariones, fotis valida: linr dico ra–

rnen , opera externa utilia elfe, cum galearum

clypeorum vices obeanr, nec alia

vide~mr

moveri qua'.íl:io, quam h:rc an galea,

clypco ar–

mandns

lit

miles.

Prima rario lic expecienria , qnz oflendic

i11

operibus excernis expugnaqdis mul11'1m temporis

infumi ,

ben/: defendanwr. Dogcn exemplmn

Spinola: proponit , cni Breda ramo tcmpore.r.e-

fimr,