Agricola, Georg
,
De re metallica Libri XII, Quibus Officia, Instrumenta, Machinae, ac omnia ...
,
1556
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text
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<
chap
id
="
N10018
">
<
p
id
="
N1A1AF
"
type
="
main
">
<
s
id
="
N1A1B1
">
<
pb
pagenum
="
320
"
xlink:href
="
001/01/330.jpg
"/>
cibus excoquunt: quorum rationes breuiter exponam. </
s
>
<
s
id
="
N1A1BB
">Carni uenam iſti
<
lb
/>
us plumbi primò urunt: deinde malleis teretibus, ſed admodum latis, fran
<
lb
/>
gunt &
<
expan
abbr
="
cõminuunt
">comminuunt</
expan
>
: tum in duos humiles muros foci, qui eſt in fornace, ex
<
lb
/>
ſaxis, quæ iniurijs ignium reſiſtunt, & ambuſti in calcem non abeunt, facta
<
lb
/>
& concamerata imponunt ligna uiridia, eisque arida ſuperimponunt, atque in
<
lb
/>
ipſa uenam
<
expan
abbr
="
conijciũt
">conijciunt</
expan
>
: quæ lignis incenſis ſtillat
<
expan
abbr
="
plũbo
">plumbo</
expan
>
: quod defluit in ſub
<
lb
/>
iectum focum decliuem: is ex puluere carbonum & terreno conſtat: inque eo
<
lb
/>
eſt magnus catinus, cuius dimidia pars ſubit ſub fornacem, dimidia ex ea ex
<
lb
/>
tat: in hunc influit plumbum: quod excoctor, recrementis & cæteris prius
<
lb
/>
rutro detractis, cochleari effundit in proximos catinos: ex quibus plumbeæ
<
lb
/>
maſſæ, poſtquam refrixerunt, extrahuntur. </
s
>
<
s
id
="
N1A1DE
">Fornacis autem tergo eſt fora
<
lb
/>
men quadrang̀ulum, ut ignis plus flatus concipere, utque excoctor per id in
<
lb
/>
fornacem ſerpere, quoties res poſtulat, poſſit. </
s
>
<
s
id
="
N1A1E5
">Saxones quoque, qui
<
expan
abbr
="
Gitelũ
">Gitelum</
expan
>
<
lb
/>
in colunt, uenam plumbi in fornace, furno non diſſimili, excoquentes ligna
<
lb
/>
per foramen, quod eſt in tergo fornacis,
<
expan
abbr
="
imponũt
">imponunt</
expan
>
: quæ cùm uehementer ar
<
lb
/>
dere cœperint, plumbum ex uena deſtillat in catinum: quem eo
<
expan
abbr
="
repletũ
">repletum</
expan
>
ex
<
lb
/>
cocto conto aperit: quo modo plumbum unà cum recrementis influit in al
<
lb
/>
terum catinum ſubiectum: mox hæc detrahit. </
s
>
<
s
id
="
N1A1FE
">Poſtremò
<
expan
abbr
="
plumbeã
">plumbeam</
expan
>
maſſam
<
lb
/>
refrigeratam ex catino eximit. </
s
>
<
s
id
="
N1A207
">At Veſtofali ad decem
<
expan
abbr
="
carbonũ
">carbonum</
expan
>
plauſtra ſic
<
lb
/>
accumulant in aliquo decliui montis loco, quò uallem attingit, ut cumulus
<
lb
/>
ſuperius fiat planus: cui ſtramina ad trium uel quatuor digitorum craſſitudi
<
lb
/>
nem inijciunt: quibus tantam uenam plumbi puram, quantam cumulus fer
<
lb
/>
re poteſt, ſuperinijciunt. </
s
>
<
s
id
="
N1A216
">Deinde carbones, cùm flauerit uentus, accendunt:
<
lb
/>
is urget ignem ut uenam excoquat: quomodo
<
expan
abbr
="
plumbũ
">plumbum</
expan
>
deſtillans ex cumu
<
lb
/>
lo effluit in uallis planiciem, latæque maſſæ, ſed non admodum craſſæ, fiunt:
<
lb
/>
in promptu autem ſunt aliquot uenæ plumbi
<
expan
abbr
="
centũpondia
">centumpondia</
expan
>
: quam, ſi res be
<
lb
/>
ne procedit, cumulo inſpergunt: maſſas illas latas, quod impuræ ſint, impo
<
lb
/>
nunt lignis aridis, quæ ſuſtinent uiridia catino magno impoſita, eisque incen
<
lb
/>
ſis illas recoquunt. </
s
>
<
s
id
="
N1A22D
">Poloni uerò focis utuntur ex luto, quod lateres cin
<
lb
/>
gunt, factis altitudine pedum quatuor: hi utrinque ſunt decliues. </
s
>
<
s
id
="
N1A232
">In ſuperiore
<
lb
/>
foci parte plana collocant magna ligna: eisque parua ſuperimponunt luto in
<
lb
/>
ter ipſa interiecto: quibus tenuia lignorum reſegmina
<
expan
abbr
="
ſuperinijciũt
">ſuperinijciunt</
expan
>
, atque eis
<
lb
/>
rurſus uenam plumbi puram, eamque lignis magnis
<
expan
abbr
="
cõtegunt
">contegunt</
expan
>
: quibus incen
<
lb
/>
ſis uena liqueſcit & defluit in ligna inferiora: ea cùm ignis etiam
<
expan
abbr
="
cõſumpſerit
">conſumpſe
<
lb
/>
rit</
expan
>
, materiam metallicam colligunt: ipſamque, ſi res poſtulauerit, iterum atque
<
lb
/>
iterum iſto modo excoquunt: ex qua tandem lignis, quæ catino magno ſu
<
lb
/>
perimpoſita ſunt, ſuperiniecta conflantur maſſæ plumbeæ. </
s
>
<
s
id
="
N1A24F
">Recrementa ue
<
lb
/>
rò unà cum
<
expan
abbr
="
ramẽtis
">ramentis</
expan
>
lotura collectis in tertia fornace, cuius os ſemper patet. </
s
>
<
s
id
="
N1A258
">
<
lb
/>
excoquuntur.</
s
>
</
p
>
<
p
id
="
N1A25C
"
type
="
caption
">
<
s
id
="
N1A25E
">C
<
emph
type
="
italics
"/>
arnorum fornax
<
emph.end
type
="
italics
"/>
A. A
<
emph
type
="
italics
"/>
lter murus humilis
<
emph.end
type
="
italics
"/>
B. L
<
emph
type
="
italics
"/>
igna
<
emph.end
type
="
italics
"/>
C. V
<
emph
type
="
italics
"/>
ena ſtillans
<
lb
/>
plumbo
<
emph.end
type
="
italics
"/>
D. C
<
emph
type
="
italics
"/>
atinus magnus
<
emph.end
type
="
italics
"/>
E. A
<
emph
type
="
italics
"/>
lij catini
<
emph.end
type
="
italics
"/>
F. C
<
emph
type
="
italics
"/>
ochlear
<
emph.end
type
="
italics
"/>
G. P
<
emph
type
="
italics
"/>
lumbeæ maſſæ
<
emph.end
type
="
italics
"/>
<
lb
/>
H. T
<
emph
type
="
italics
"/>
ergi fornacis foramen quadrangulum
<
emph.end
type
="
italics
"/>
I. S
<
emph
type
="
italics
"/>
axonum fornax
<
emph.end
type
="
italics
"/>
K. F
<
emph
type
="
italics
"/>
oramen
<
lb
/>
in tergo fornacis
<
emph.end
type
="
italics
"/>
L. L
<
emph
type
="
italics
"/>
igna
<
emph.end
type
="
italics
"/>
M. C
<
emph
type
="
italics
"/>
atinus ſuperior
<
emph.end
type
="
italics
"/>
N. C
<
emph
type
="
italics
"/>
atinus inferior
<
emph.end
type
="
italics
"/>
O.
<
lb
/>
V
<
emph
type
="
italics
"/>
eſtofalorum excoquendi ratio
<
emph.end
type
="
italics
"/>
P. C
<
emph
type
="
italics
"/>
umuli carbouum
<
emph.end
type
="
italics
"/>
Q. S
<
emph
type
="
italics
"/>
tramina
<
emph.end
type
="
italics
"/>
R.
<
lb
/>
M
<
emph
type
="
italics
"/>
aſſa lata
<
emph.end
type
="
italics
"/>
S. C
<
emph
type
="
italics
"/>
atinus
<
emph.end
type
="
italics
"/>
T. P
<
emph
type
="
italics
"/>
olonorum focus
<
emph.end
type
="
italics
"/>
V.</
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>
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