Vitruvius, De architectura libri decem, 1567

Table of figures

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[141] 1 3 b x z g 2 5 f p 0 1 4 t I c e o n m r u 6 q i h 8 y d 5
[142] 5 4 b 3 2 7 8 9 10 f 6 5 7 1 11 6 5 7 9 4 4 8 8 N 9 x 12 1 11 2 10 3 9 4 8 5 7 3 39 9 F 6 g 2 2 10 10 o a @ d 1 11 7 6 z 1 11 8 6 7 c 1 12 10 1@ 1 2 1 1 11 11 5 11 2 2 10 21 11 b f @ 8 3 3 9 9 12 1 4 5 g 6 10 8 11 1 9 10 2 2 2 10 5 7 2 z 9 c 8 4 7 5 9 3 10 4 8 8 4 3 7 2 10 7 5 9 3 1 11 12 8 4 11 1 10 2 0 @ d 7 5 9 3 I 8 4 7 5 6 c &
[143] 5 6 7 4 8 3 9 2 10 1 11 4 8 3 9 d d 2 3 4 5 6 7 8 9 10 10 1 1 v n c
[144] 12 1 1 1111 2 2 10 10 3 3 9 9 4 4 8 8 5 5 7 7 6 6 6 T 7 7 5 5 8 8 4 4 9 9 3 3 10 10 2 2 11 11 1 1 12
[145] 11 10 9 8 7 6 5 4 3 2 1 11 10 9 8 7 6 5 4 3 2 1 11 1 2 3 10 4 5 E 6 6 7
[146] 9 3 4 2 8 10 11 12 1 5 7 6 6 G
[147] 8 9 10 7 6 5 11 1 8 1 11 F
[148] 16 15 17 14 14 18 19 19 13 13 20 20 12 12 21 21 11 11 H 22 22 10 10 23 23 9 9 24 16 16 23 23 17 17 22 22 18 18 21 21 29 20
[149] 19 20 21 18 17 22 23 17 16 18 17 9 15 14 13 11 13 20 16 12 21 17 20 22 21 11 22 10 23 9 18 L 17 18 19
[150] 23 17 22 16 18 9 21 23 19 10 19 20 22 11 21 20 13 19 14 18 15 17 16 K
[151] 17 18 19 20 21 22 16 23 15 14 13 12 11 10 11 12 21 22 10 9 23 M
[152] Q K r n r 12 11 K 2 2 @ 4 p 8 7 e t 8 9 c P 7 4 3 10 7 @ P 5 q P 6 2 8 7 q P t t 11 1 I 1 11 7 q p 2 10 q p 3 9 @ a e b 4 8 2 7 6 5 P 10 6 f P 9 3 8 4 f P 1 f P 11 10 2 a f b e 4 9 3 11 10 2 11 1 11 1 u m 12 15 @ d 12 4 5 m 3 4 5 7 8 9 d @ 2 @ 0 10 2 11 1 a 0 s 7 1 n P p 5 6 7 10 6 6 6 3 4 8 9 7 e 5 5 7 4 5 3 10 11 12 1 2 3 8 9 3 1 e H 23 10 22 24 23 22 15 16 17 18 19 21 13 14 20
[153] Horologia in plano meridiani.6 5 4 3 2 1 7 8 9 10 11 12 u l d 7 4 8 3 9 2 10 b n n n n n 5 4 3 2 1 a c e c y n n n n n p 1 2 3 4 5 n ſ ſ 4 3 2 1 r 4 3 2 1 e 4 3 2 1 B 9 10 11 12 13 14 e H 5 6 7 8 9 10 11 e E g r 7 6 5 4 3 2 1 F g d 23 22 21 20 19 18 18 c g G d f a b e g c 1 2 3 4 5 4 3 2 1 8 7 6 5 4 3 2 1 f D e 11 10 19 18
[154] Horologia in plano æquinoctialis.d b 5 6 7 4 8 9 3 g f k L @ m 2 10 l 8 1 11 a e b B L 1 f k m h @ z r s 1 n 11 A 2 1 10 12 3 9 11 1 4 8 10 1 2 5 6 7 b d 9 3 8 4 7 5 6 c 6 7 5 8 4 9 3 18 17 16 10 2 16 17 18 19 11 12 1 19 20 14 14 20 21 13 13 21 22 12 12 22 23 11 23 24 24 14 14 23 15 23 22 15 22 16 16 21 17 21 20 19 18 17 18 19 20
[155] 12 11 10 9 8 7 6 5 4 3 2 1 12 11 10 9 8 7 6 5 4 3 2 1
[156] Instrumenta è regione poſita ſeruiunt fronti horologij ſequentis, illud uero inſerius eſt immobil-le ad aliud, & aliud ab artiſicio aquæ mouetur.B 270 A 360 stella.p.@ f 180 C 10 hircuſ@ 20 30 40 x cani ſminor* 50 60 70 80 90 C@nis Maior* D
[157] 6 5 7 4 8 3 9 2 10 1 11 12 T R 12 L 11 1 A f C 10 2 9 3 8 4 7 5 6
[Figure 158]
[Figure 159]
[Figure 160]
[161] Funium nodi.
[162] Scala in carcheſio poſita.
[163] Figura aniſocyclorum.
[164] Trochlearum ratio.
[165] B. ergata.C. trochlea ſuperior.D. ſucula.E. tigna.F. pondus.I. forcipes.G. ſucula.H. fibula.O. chelonia.P. uectes.S. carcheſia. S H C A D E F T I B G
[166] Trochleæ cum tympano.
[167] F. trochleaſuperior.L. trochlea inferior artemon dicta.†. onus.A. nectis.3. onus.1. hypomochlium.2. nectis, mochlium.V. ſpbœroma, œquipondium.Q S. lances.X. lances.K. anſa. examen.8. cuneus.7. 9. uectis.10. onus.H G. vectes.M. pondus.O N. colhlea.D. pali.L. locus artemonis.C. chelonia.F. regula.B. antarijunes.E. locus ductariorum funium ubifibulæx. libra ſuffulta. E B F H G 8 C N O K D L M † 6 7 10 x 3 2 1 R V S Q
[168] d a c b e
[Figure 169]
[Figure 170]
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page |< < (116) of 412 > >|
148116LIBER
Aſtragalus ſub oculo ſuos habet terminos; ideo dicit Vitr. tres partes præpendere debere infra aſtr agalum,
5353[Handwritten note 53]5454[Handwritten note 54]5555[Handwritten note 55]5656[Handwritten note 56]5858[Handwritten note 58]5959[Handwritten note 59]6060[Handwritten note 60] nam infra oculum ad extremam uolutæ circinationem, tres ſunt partes ex nouem &
dimidia, in qua cathetos
diuiſa
erat.
Cumigitur tres partes ſint infra oculum, ubi aſtragalus terminatur, ſex & dimidia erunt reliquæ,
ex
his una &
dimidia datur abaco. restant igitur quinque. ex his unam, & dimidiam canalis occupat, cy-
matium
duas, &
quartam, latitudo uolutæ dimidiam. reliquum igitur astragalus occupabit, hoc eſt tres quar
tas
, quæ ſimul poſitæ reddunt nouem, &
dimidiam. Est autem cymatium ubi x. dicit igitur adempto abaco,
id
eſt iam detracto, quia unam, &
dimidiam partem occupabat, cymatio, & canali reliqua ſit pars. Canalis
excauetur
parte, duodecima altitudinis uolutæ.
Aſtragalicentrum & in catheto; ducitur autem uoluta mol
5353[Handwritten note 53]5454[Handwritten note 54]5555[Handwritten note 55]5656[Handwritten note 56]5858[Handwritten note 58]5959[Handwritten note 59]6060[Handwritten note 60] liter ſupra cymatium, ut dixi.
Sub Aſtragalo eſt quadra apophygis, cuius proiectura extra cathetum non pro
ducitur
.
alta eſt dimidia aſtragali craßitudine.
1110
Vitruuius ſupra ab extremitatibus abaci, cathetos dimitti iuſſerat, ut nobis oſtenderet cymatij proiectu-
ram
, nam cum dicit hoc loco cymatij proiecturam habere extra abaci quadram oculi magnitudinem dimitten-
do
illas lineas, terminos nobis oſtendit, a quibus proiectura cymatij produceretur.
Cymatij flexus, circino per-
5353[Handwritten note 53]5454[Handwritten note 54]5555[Handwritten note 55]5656[Handwritten note 56]5858[Handwritten note 58]5959[Handwritten note 59]6060[Handwritten note 60] ficitur, hoc modo.
collocatur circini pes in catbeto, in quo eſt uolutæ oculus, ubi canalis ſuperior terminus eſt,
uerbi
gratia in puncto x, &
diducitur ad extremam proiecturam cymatij, ubi 2. & duciditur flexus ad infe-
riorem
partem ad extremam aſtragalum, ita ut circuli quadrans perficiatur.
2220
A lateribus tumor puluinorum cernitur, in medio ſunt balthei, qui extra abacum prominere debent, ratio
5353[Handwritten note 53]5454[Handwritten note 54]5555[Handwritten note 55]5656[Handwritten note 56]5858[Handwritten note 58]5959[Handwritten note 59]6060[Handwritten note 60] autem eorum proiecturæ ſumitur hoc modo, ut poſito circino in medio tetrante capituli in puncto, &
, & didu-
cto
ad extremitatem cymatij, circinationis liea baltheos, &
zonas, uel cingula puluinorum contingat. ubi R.
5757[Handwritten note 57]
Capitulum debet altitudini columnæ reſpondere. Cum igitur altior una ſit altera, oportebit rationem muta-
5353[Handwritten note 53]5454[Handwritten note 54]5555[Handwritten note 55]5656[Handwritten note 56]5858[Handwritten note 58]5959[Handwritten note 59]6060[Handwritten note 60] re, quapropter Vitr.
capitulum earum columnarum, quæ ſunt ab minimo altæ quindecim pedes, deſcripſit. ſed
ſi
altior columna fuerit ad eundem modum certe ſymmetrias habebunt.
Sed abacus ultra columnæ craſſitudi-
nem
nona parte prominebit, nam cum columna maior ſit, minus contrahitur, aer enim ob distantiam contrahe-
4440 re uidetur.
Concludit autem Vitr.
De uolutarum deſcriptionibus uti ad circinum ſint rectè inuolutæ, quemadmodum deſcribatur,
5353[Handwritten note 53]5454[Handwritten note 54]5555[Handwritten note 55]5656[Handwritten note 56]5858[Handwritten note 58]5959[Handwritten note 59]6060[Handwritten note 60] in extremo libro forma, &
ratio earum erit ſubſcripta. Capitulis perſectis, deinde in ſummis colum-
narum
ſcapis, non ad libellam ſed ad æ qualem modulum collocatis, uti quæ adiectio in ſtyloba-
tis
facta fuerit, in ſuperioribus membris reſpondeat ſymmetria epiſtyliorum.

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