Agricola, Georg
,
De re metallica Libri XII, Quibus Officia, Instrumenta, Machinae, ac omnia ...
,
1556
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<
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id
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N10018
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<
pb
pagenum
="
132
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xlink:href
="
001/01/142.jpg
"/>
<
p
id
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N12FAE
"
type
="
main
">
<
s
id
="
N12FB0
">Altera iſtius generis machina, paucis uerbis à Vitruuio deſcripta, congi
<
lb
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ales ſitulas citius effert. </
s
>
<
s
id
="
N12FB5
">Atque propterea ad aquas ex puteis, in quos multæ
<
lb
/>
continenter influunt, hauriendas utilior eſt quàm prima: ea ferreo locula
<
lb
/>
mento tympaniſque carens habet circum axem ligneum rotam, quæ à calcan
<
lb
/>
tibus uerſatur. </
s
>
<
s
id
="
N12FBE
">Axis
<
expan
abbr
="
autẽ
">autem</
expan
>
diu, quòd careat tympano, durare non poteſt: cæ
<
lb
/>
teris primæ ſimilis eſt, niſi quod duplicem habeat catenam ab illa diuerſam. </
s
>
<
s
id
="
N12FC7
">
<
lb
/>
Fibulas autem in huius machinæ axem, ut in aliarum
<
expan
abbr
="
tympanũ
">tympanum</
expan
>
infigere de
<
lb
/>
bet, quos alij ſimplices, alij ter curuatas
<
expan
abbr
="
efficiũt
">efficiunt</
expan
>
, ſed utriſque quatuor cuſpides</
s
>
</
p
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<
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id
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N12FD5
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type
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caption
">
<
s
id
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N12FD7
">R
<
emph
type
="
italics
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ota quæ a calcantibus uerſatur
<
emph.end
type
="
italics
"/>
A. A
<
emph
type
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italics
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xis
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emph.end
type
="
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B. C
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emph
type
="
italics
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atena duplex
<
emph.end
type
="
italics
"/>
C.
<
lb
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A
<
emph
type
="
italics
"/>
nnulus duplicis catenæ
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emph.end
type
="
italics
"/>
D. S
<
emph
type
="
italics
"/>
itulæ
<
emph.end
type
="
italics
"/>
E. F
<
emph
type
="
italics
"/>
ibula ſimplex
<
emph.end
type
="
italics
"/>
F.
<
lb
/>
F
<
emph
type
="
italics
"/>
ibula ter curuata
<
emph.end
type
="
italics
"/>
G.</
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>
</
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<
figure
id
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id.001.01.142.1.jpg
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xlink:href
="
001/01/142/1.jpg
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number
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<
p
id
="
N1300D
"
type
="
main
">
<
s
id
="
N1300F
">Tertia, quæ longè præſtat duabus iam expoſitis, fabricatur cùm riuus ad
<
lb
/>
fodinam deduci poteſt: cuius impetus pinnas
<
expan
abbr
="
percutiẽs
">percutiens</
expan
>
circumagit rotam,
<
lb
/>
quam habet loco rotæ à calcantibus uerſatæ: quod ad axem attinet, ſimilis
<
lb
/>
eſt
<
expan
abbr
="
ſecũdæ
">ſecundæ</
expan
>
: quod ad tympanum, quod eſt
<
expan
abbr
="
circũ
">circum</
expan
>
axem, catenam,
<
expan
abbr
="
libramentũ
">libramentum</
expan
>
<
lb
/>
primæ. </
s
>
<
s
id
="
N1302A
">Situlas uerò habet multò capaciores quàm etiam ſecunda. </
s
>
<
s
id
="
N1302D
">Sed quia
<
lb
/>
ſitulæ citò frangi ſolent, metallici rarò his machinis utuntur: maluntque pau
<
lb
/>
cas aquas quinque primis machinis extrahere uel ſiphonibus exantlare, mul
<
lb
/>
tas uel pilis per fiſtulas haurire uel in utribus item extrahere.</
s
>
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