Agricola, Georg
,
De re metallica Libri XII, Quibus Officia, Instrumenta, Machinae, ac omnia ...
,
1556
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<
archimedes
>
<
text
>
<
body
>
<
chap
id
="
N10018
">
<
pb
pagenum
="
143
"
xlink:href
="
001/01/153.jpg
"/>
<
p
id
="
N13420
"
type
="
main
">
<
s
id
="
N13422
">Septima ſiphonum ſpecies ab hinc annis decem inuenta cùm
<
expan
abbr
="
omniũ
">omnium</
expan
>
ma
<
lb
/>
ximè artificioſa & durabilis & utilis ſit, ſine magno impendio confici po
<
lb
/>
teſt, ea conſtat ex pluribus ſiphonibus: qui ſimul, ut proximi, in puteum
<
expan
abbr
="
nõ
">non</
expan
>
<
lb
/>
deſcendunt, ſed alter alteri quodammodo ſubijcitur: etenim ſi tres fuerint,
<
lb
/>
ut eſſe ſolent, ultimus exorbet aquas putei, & eas in
<
expan
abbr
="
primũ
">primum</
expan
>
<
expan
abbr
="
lacuſculũ
">lacuſculum</
expan
>
effun
<
lb
/>
dit: ſecundus ex eo rurſus exhauſtas in ſecundum transfundit: tertius in cu
<
lb
/>
niculi canalem: pila horum ſiphonum omnium rota pedes quindecim alta
<
lb
/>
attollit pariter pariterque deijcit: quam eius pinnæ, ab impetu riui, in
<
expan
abbr
="
montẽ
">montem</
expan
>
<
lb
/>
deducti, percuſſæ, cogunt uerſari: rotæ radij in axe, longo pedes ſex, craſſo
<
lb
/>
pedem, incluſi ſunt: cuius utrunque caput circulo ferreo cingitur: ſed in
<
expan
abbr
="
alterũ
">alterum</
expan
>
<
lb
/>
quidem infixus eſt codax, in alterum uerò
<
expan
abbr
="
ferrũ
">ferrum</
expan
>
, ut codacis poſterior pars,
<
lb
/>
craſſum digitum & tam latum quàm ipſum caput eſt: quod tamen teres &
<
lb
/>
circiter digitos tres craſſum primò longitudine pedis recta extat, quatenus
<
lb
/>
obtinet locum codacis: mox curuatum & quaſi lunatis obliquatum corni
<
lb
/>
bus altitudine pedis aſſurgit: deinde rurſus pedem recta eminet: quo modo
<
lb
/>
fit ut hæc pars recta, cùm in orbem uoluitur, uiciſsim fiat pedem altior & hu
<
lb
/>
milior quàm illa. </
s
>
<
s
id
="
N13461
">Ex hac poſteriore ferri teretis parte pendet primum pilum
<
lb
/>
latum: ipſa enim in ſuperius iſtius pili caput
<
expan
abbr
="
perforatũ
">perforatum</
expan
>
, ut clauus ferreus pri
<
lb
/>
marum chelarum in inferius infigitur. </
s
>
<
s
id
="
N1346C
">Ne uerò pilum ex ea excidat, ut facilè
<
lb
/>
excidere poteſt, &, cùm neceſſitas id poſtulat, eximi ſolet, quod eius
<
expan
abbr
="
foramẽ
">foramen</
expan
>
<
lb
/>
latius ſit quàm ferri pars, utrinque clauo ferreo, in ipſam infixo, coercetur: ne
<
lb
/>
ij atterant caput pili bracteis ferreis uel corijs intermedijs cauetur: tale
<
expan
abbr
="
pilũ
">pilum</
expan
>
<
lb
/>
primum
<
expan
abbr
="
longũ
">longum</
expan
>
eſt circiter pedes duodecim, reliqua uerò duo pedes ſex &
<
lb
/>
uiginti. </
s
>
<
s
id
="
N13485
">Sed quodque latum eſt palmum, craſſum digitos tres: utraque cuiuſque
<
lb
/>
pars lata tecta & munita eſt laminis ferreis: quæ cochleis item ferreis conti
<
lb
/>
nentur: ut pars, quæ uitium fecerit, refici poſsit. </
s
>
<
s
id
="
N1348C
">At chelæ in axiculum inclu
<
lb
/>
ſæ ſunt teretem, longum ſeſquipedem, craſſum palmos duos: is utrinque cin
<
lb
/>
gitur circulo ferreo, ne codaces ferrei, qui in
<
expan
abbr
="
tignorũ
">tignorum</
expan
>
armillis ferreis uerſan
<
lb
/>
tur, ex eo excidant: ex quo axiculo utraque chelarum pars lignea eminet lon
<
lb
/>
ga pedes duos, lata & craſſa digitos ſex. </
s
>
<
s
id
="
N1349B
">Altera ab altera diſtat palmos tres:
<
lb
/>
utriuſque rurſus pars tam interior quàm exterior etiam laminis eſt ferrata. </
s
>
<
s
id
="
N134A0
">In
<
lb
/>
chelas uerò claui duo ferrei teretes et craſsi digitos duos ſic infixi ſunt, ut im
<
lb
/>
mobiles maneant. </
s
>
<
s
id
="
N134A7
">Eorum poſterior per primi pili lati inferius & ſecundi ſu
<
lb
/>
perius caput perforatum & immobile penetrat. </
s
>
<
s
id
="
N134AC
">Prior
<
expan
abbr
="
autẽ
">autem</
expan
>
ſimiliter immo
<
lb
/>
bilis per ferreum primi pili teretis caput item immobile & deflexum. </
s
>
<
s
id
="
N134B5
">Iſtiuſ
<
lb
/>
modi pilum quodque longum eſt pedes tredecim, craſſum digitos tres, & in
<
lb
/>
priorem cuiuſque ſiphonis fiſtulam deſcendit tam profundè, ut eius orbicu
<
lb
/>
lus
<
expan
abbr
="
foriculã
">foriculam</
expan
>
pyxidis ferè attingat. </
s
>
<
s
id
="
N134C2
">Quod cùm decidit in fiſtulam, aquæ, per
<
lb
/>
orbiculi foramina penetrantes, corium attollunt: cùm ſubleuatur, eædem
<
lb
/>
corium, quod ipſas fert,
<
expan
abbr
="
deprimũt
">deprimunt</
expan
>
. </
s
>
<
s
id
="
N134CD
">Foricula uerò pyxidem, ut foris ianuam,
<
lb
/>
claudit. </
s
>
<
s
id
="
N134D2
">At fiſtulæ coniunguntur duobus circulis ferreis, palmum latis, alte
<
lb
/>
ro interius, altero extrinſecus. </
s
>
<
s
id
="
N134D7
">Sed interiore utrinque acuto ut in utramque fi
<
lb
/>
ſtulam penetrare & eas
<
expan
abbr
="
cõtinere
">continere</
expan
>
poſsit. </
s
>
<
s
id
="
N134E0
">Quanque nunc fiſtulæ carent interio
<
lb
/>
re circulo: ſed habent commiſſuras, quibus
<
expan
abbr
="
iungũtur
">iunguntur</
expan
>
. </
s
>
<
s
id
="
N134E9
">Etenim ſuperioris in
<
lb
/>
ferius caput
<
expan
abbr
="
cõtinet
">continet</
expan
>
, inferioris caput ſuperius: utrunque enim ad altitudinem </
s
>
</
p
>
</
chap
>
</
body
>
</
text
>
</
archimedes
>