Agricola, Georg
,
De re metallica Libri XII, Quibus Officia, Instrumenta, Machinae, ac omnia ...
,
1556
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<
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<
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<
chap
id
="
N10018
">
<
p
id
="
N1B856
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type
="
main
">
<
s
id
="
N1B921
">
<
pb
pagenum
="
362
"
xlink:href
="
001/01/372.jpg
"/>
è catino eximatur, & ex ea in aliquo loco puro decutiatur miſtura: nam diſſi
<
lb
/>
lire ſolet. </
s
>
<
s
id
="
N1B92D
">Ipſa uerò maſſula redigatur in globulos: atque hi quot libras auri
<
lb
/>
pendunt, totidem
<
expan
abbr
="
cõminuti
">comminuti</
expan
>
ſulfuris, itemque globulorum
<
expan
abbr
="
æreorũ
">æreorum</
expan
>
quadran
<
lb
/>
tes appendantur, & omnia ſimul conijciantur in catinum fictilem, non in ol
<
lb
/>
lam: cùm iam liqueſcunt, ut aurum citius in catini fundo reſideat, adijciatur
<
lb
/>
puluis, de quo proxime dixi. </
s
>
<
s
id
="
N1B940
">Quanquam
<
expan
abbr
="
autẽ
">autem</
expan
>
in tali miſtura æris & argen
<
lb
/>
ti minutiſſimæ auri particulæ quaſi quædam ſcintillæ apparent, tamen, ſi o
<
lb
/>
mnes, quæ in libra inſunt,
<
expan
abbr
="
nummulũ
">nummulum</
expan
>
ſimplum non pendunt, ſatis bene ſul
<
lb
/>
fur ſecreuit aurum ab argento: ſi uerò
<
expan
abbr
="
nummulũ
">nummulum</
expan
>
pendunt aut plus, miſtura
<
lb
/>
rurſus inijciatur in catinum fictilem: ad quam ſulfur adijcere non conuenit,
<
lb
/>
ſed
<
expan
abbr
="
tantũmodo
">tantummodo</
expan
>
paucum æs & puluerem: quo modo iterum auri maſſula re
<
lb
/>
ſidebit in fundo: quæ cum altera maſſula auri non diuite coniungatur: ſed
<
lb
/>
cùm aurum ab argenti libris ſex & ſexaginta ſecernitur, argentique & æris, &
<
lb
/>
ſulfuris miſtura fit, quæ pendit libras centum triginta duas, ad æs ſeparan
<
lb
/>
dum ab argento nobis opus eſt plumbi libris plus minus quingentis: cum
<
lb
/>
quibus miſtura in
<
expan
abbr
="
ſecũdis
">ſecundis</
expan
>
fornacibus coquitur: quomodo fit ſpuma argen
<
lb
/>
ti & molybdæna, quæ recoquantur in primis fornacibus. </
s
>
<
s
id
="
N1B96D
">Panes ex eis con
<
lb
/>
flati in tertias fornaces imponantur, ut plumbum, quod paululum argenti
<
lb
/>
in ſe continet, ab ære ſeparatum rurſus uſui ſit: quinetiam catini et eorum o
<
lb
/>
percula contundantur, lauentur, ſedimen unà cum ſpuma argenti & moly
<
lb
/>
bdæna coquatur. </
s
>
<
s
id
="
N1B978
">Qui
<
expan
abbr
="
autẽ
">autem</
expan
>
iſta ratione omne
<
expan
abbr
="
argentũ
">argentum</
expan
>
ab auro ſeparare uo
<
lb
/>
lunt, hi unam auri, tres argenti portiones relinquunt: miſturam in globulos
<
lb
/>
redigunt: eos in ampullam conijciunt: aqua ualenti affuſa aurum ab argen
<
lb
/>
to
<
expan
abbr
="
ſecernũt
">ſecernunt</
expan
>
: quam rationem libro ſeptimo explicaui. </
s
>
<
s
id
="
N1B98D
">Quinetiam ſi ſulfur ex
<
lb
/>
lixiuio, quo conficitur ſal artificioſus, tam ualido, ut ouum iniectum ſuper
<
lb
/>
natet, coctum uſque dum fumum non emittat, & ardenti carboni impoſitum
<
lb
/>
liqueſcat, conijciatur in argentum liquefactum, ab eo aurum ſecernit.</
s
>
</
p
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<
p
id
="
N1B996
"
type
="
caption
">
<
s
id
="
N1B998
">O
<
emph
type
="
italics
"/>
lla
<
emph.end
type
="
italics
"/>
A. I
<
emph
type
="
italics
"/>
gnis circularis
<
emph.end
type
="
italics
"/>
B. C
<
emph
type
="
italics
"/>
atinus
<
emph.end
type
="
italics
"/>
C. E
<
emph
type
="
italics
"/>
ius operculum
<
emph.end
type
="
italics
"/>
D.
<
lb
/>
O
<
emph
type
="
italics
"/>
llæ operculum
<
emph.end
type
="
italics
"/>
E. F
<
emph
type
="
italics
"/>
ornax
<
emph.end
type
="
italics
"/>
P. F
<
emph
type
="
italics
"/>
ilum ferreum
<
emph.end
type
="
italics
"/>
G.</
s
>
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</
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