Alberti, Leone Battista
,
De re aedificatoria
,
1485
Text
Text Image
Image
XML
Thumbnail overview
Document information
None
Concordance
Thumbnails
Page concordance
<
1 - 30
31 - 60
61 - 90
91 - 120
121 - 150
151 - 180
181 - 210
211 - 240
241 - 270
271 - 300
301 - 330
331 - 360
361 - 390
391 - 406
>
Scan
Original
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
<
1 - 30
31 - 60
61 - 90
91 - 120
121 - 150
151 - 180
181 - 210
211 - 240
241 - 270
271 - 300
301 - 330
331 - 360
361 - 390
391 - 406
>
page
|<
<
of 406
>
>|
<
archimedes
>
<
text
>
<
body
>
<
chap
id
="
N40001A
">
<
p
id
="
N408F83
"
type
="
main
">
<
s
id
="
N4093C6
">
<
pb
xlink:href
="
004/01/200.jpg
"/>
<
expan
abbr
="
ſũt
">ſunt</
expan
>
in dextra contrariiſ talibus in ſiniſtram numeris reſpon
<
lb
/>
deant. </
s
>
<
s
id
="
N40940C
">Nam ſi erit ferrum tria / pynnulæ duo ab amento ad
<
lb
/>
ferrum radius duo ſit oportet: et radius alter ad pynnulas tria
<
lb
/>
Ex quo
<
expan
abbr
="
cũ
">cum</
expan
>
hic numerus quinque alteris quinque par
<
expan
abbr
="
reſpõdebit
">reſponde
<
lb
/>
bit</
expan
>
: æquatis radiorum et ponderum rationibus quieſcent æqui
<
lb
/>
librati et compares: ſi non
<
expan
abbr
="
reſpõdebunt
">reſpondebunt</
expan
>
numeri peruincet:
<
lb
/>
in quo excedent. </
s
>
<
s
id
="
N409425
">Illud non prætereo / ab eodem amento ſi
<
lb
/>
pares protendentur radii pares
<
expan
abbr
="
dũ
">dum</
expan
>
capita mouebuntur aere
<
lb
/>
circulos
<
expan
abbr
="
ſignabũt
">ſignabunt</
expan
>
Si uero
<
expan
abbr
="
ĩpares
">impares</
expan
>
quoque et
<
expan
abbr
="
ĩpares
">impares</
expan
>
<
expan
abbr
="
deſeribẽt
">deſcribent</
expan
>
<
lb
/>
circulos circulis contineri rotas diximus: monſtratum id /
<
lb
/>
circo eſt ſi uno eodemque motu duæ
<
expan
abbr
="
cõtiguæ
">contiguæ</
expan
>
unicum affixæ
<
lb
/>
in axem rotæ
<
expan
abbr
="
moueant̃
">moueantur</
expan
>
: ita ut mota una altera non quieſcat:
<
lb
/>
et quieſcente una altera non moueatur ex radiorum in utriſque
<
lb
/>
longitudine quæ nam in unaquaque ſit uis intelligemus. </
s
>
<
s
id
="
N409452
">Ra
<
lb
/>
dii longitudinem notaſſe oportet a medio intimi axis pun
<
lb
/>
cto. </
s
>
<
s
id
="
N409459
">Hæc ſi ſatis
<
expan
abbr
="
ĩtelliguntur
">intelliguntur</
expan
>
omnis quam quærimus ratio
<
lb
/>
huiuſmodi machinarum
<
expan
abbr
="
ĩ
">in</
expan
>
aperto eſt maxime rotarum et uectis.
<
lb
/>
</
s
>
<
s
id
="
N409467
">In trocleis paululum eſt amplius quod conſideremus. </
s
>
<
s
id
="
N40946A
">
<
expan
abbr
="
Nã
">Nam</
expan
>
<
lb
/>
et traductus per trocleam funis et orbiculi ipſi in troclea pro
<
lb
/>
uado ſunt: in quo medius quidem ſit motus / quem eſſe
<
expan
abbr
="
ĩtra
">intra</
expan
>
<
lb
/>
difficillimum atque facillimum diximus: quod neque aſcendat
<
lb
/>
neque deſcendat: ſed in ſuum centrum æquate obinſtet. </
s
>
<
s
id
="
N40947C
">Atque
<
lb
/>
ut intelligas quid ſit in re:
<
expan
abbr
="
ſũmito
">ſummito</
expan
>
tibi ſtatuam pondo. </
s
>
<
s
id
="
N409485
">M.
<
lb
/>
</
s
>
<
s
id
="
N409489
">Hæc ſi ex arboris trunco fune illaqueata pendebit / certum
<
lb
/>
eſt / ſimplicem funem iſtunc mille integra ſuſtinere: Adne
<
lb
/>
ctito ad ſtatuam trocleam: et per eam traducito funem quo
<
lb
/>
pendebat ſtatua: et reducito ad truncum: ut iterato
<
expan
abbr
="
pẽdeat
">pendeat</
expan
>
:
<
lb
/>
promptum eſt ſtatuæ pondus duplicato pendere fune: atque
<
lb
/>
trocleam per æquilibra medium interſtringi. </
s
>
<
s
id
="
N40949A
">Proſequere
<
lb
/>
addito etiam trunco alteram trocleam et per eam quoque tra
<
lb
/>
ducito ipſum funem: quero a te quota erit ponderis portio:
<
lb
/>
<
expan
abbr
="
quã
">quam</
expan
>
reducta in
<
expan
abbr
="
altũ
">altum</
expan
>
et mox traducta pars funis ſuſtinebit ?
<
lb
/>
</
s
>
<
s
id
="
N4094AB
">quingenta inquies. </
s
>
<
s
id
="
N4094AE
">
<
expan
abbr
="
nõ
">non</
expan
>
tu exinde intelligis
<
expan
abbr
="
ſecũde
">ſecunde</
expan
>
huic tro
<
lb
/>
cleæ dari pondus non poſſe maius ab fune ipſo
<
expan
abbr
="
q̈
">quam</
expan
>
quod ha</
s
>
</
p
>
</
chap
>
</
body
>
</
text
>
</
archimedes
>