Agricola, Georg
,
De re metallica Libri XII, Quibus Officia, Instrumenta, Machinae, ac omnia ...
,
1556
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rum, quæ non facile igni liqueſcunt, metalla ad ſe rapiunt, uel ea
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expan
abbr
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cõſumunt
">conſumunt</
expan
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. </
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<
s
id
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N14509
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<
lb
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Hoc modo cum fumo euolant, altero cum recremento & cadmia
<
expan
abbr
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cõmiſcentur
">commiſcen
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tur</
expan
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: quo domini operam perdunt, quam poſuerunt in fornacibus atque cati
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nis præparandis, & eos nouas impenſas in eiuſmodi recrementa & cæteras
<
lb
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res facere neceſſe eſt. </
s
>
<
s
id
="
N14517
">Verum metalla iam excocta experiri ſolemus, ut explo
<
lb
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ratum habere poſſimus quota
<
expan
abbr
="
argẽti
">argenti</
expan
>
portio inſit in centumpondio æris uel
<
lb
/>
plumbi: aut quotam auri particulam libra argenti in ſe contineat. </
s
>
<
s
id
="
N14522
">Et contrà
<
lb
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quotam æris uel plumbi portionem habeat
<
expan
abbr
="
argẽti
">argenti</
expan
>
<
expan
abbr
="
centũpondium
">centumpondium</
expan
>
: aut quo
<
lb
/>
ta argenti particula ſit in auri libra: atque ex ea re conijcere licet, utiliter poſſit
<
lb
/>
necne metallum precioſum à uili ſecerni: quin etiam tale experimentum do
<
lb
/>
cet utrum nummi boni ſint an adulterini, manifeſtoque deprehendit argen
<
lb
/>
tum, ſi eius plus quàm fuerit iuſtum, monetarij miſcuerint auro: aut æs, ſi ei
<
lb
/>
us plus, quàm fas ſit, ijdem temperauerint cum auro uel argento:
<
expan
abbr
="
quorũ
">quorum</
expan
>
o
<
lb
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mnium rationem quàm potero, diligentiſsimè explicabo. </
s
>
<
s
id
="
N1453F
">Venarum
<
expan
abbr
="
aũt
">aut</
expan
>
<
lb
/>
experimentum, quod ſolis metallicis utile eſt, ab excoctione differt ſola ma
<
lb
/>
teriæ paucitate: etenim
<
expan
abbr
="
co〈quẽ〉do
">coquendo</
expan
>
paucam diſcimus, utrum excoctio multæ
<
lb
/>
nobis lucrum dabit an damnum, niſi enim metallici ſtudio incumberent in
<
lb
/>
eam
<
expan
abbr
="
experiẽdi
">experiendi</
expan
>
rationem, qua utuntur, ex uenis, ut iam dixi, metalla
<
expan
abbr
="
interdũ
">interdum</
expan
>
<
lb
/>
cum detrimento, interdum ſine ullo emolumento excoquerent: nam expe
<
lb
/>
riri uenas impenſis admodum exiguis, excoquere
<
expan
abbr
="
tantũmodo
">tantummodo</
expan
>
magnis poſ
<
lb
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ſumus. </
s
>
<
s
id
="
N14564
">Simili autem modo fiunt. </
s
>
<
s
id
="
N14567
">Primùm enim ut uenas experimur in for
<
lb
/>
nacula, ſic eaſdem excoquimus in fornace. </
s
>
<
s
id
="
N1456C
">Deinde utrobique non ligna, ſed
<
lb
/>
carbones incenduntur: tum ut in catillo fictili, cùm uenas experimur, metal
<
lb
/>
la quæ in ipſis inſunt, ſi aurum, argentum, æs, plumbum fuerint, iuſtiſſimè
<
lb
/>
miſcentur, ita in primis fornacibus, cùm eædem excoquuntur, permiſceri ſo
<
lb
/>
lent. </
s
>
<
s
id
="
N14577
">Præterea ut hi, qui uenas explorant igni, metallum uel liquidum effun
<
lb
/>
dentes, uel frige factum fracto catillo terreno purgant à recrementis, ita ex
<
lb
/>
coctores quàmprimum metallum è fornace defluxerit in catinum,
<
expan
abbr
="
frigidã
">frigidam</
expan
>
<
lb
/>
infundentes, ab eo rutris auferunt recrementa. </
s
>
<
s
id
="
N14584
">Poſtremò ut in catillo ci
<
lb
/>
nereo aurum uel argentum à plumbo ſeparatur, ita quoque in ſecundis forna
<
lb
/>
cibus. </
s
>
<
s
id
="
N1458B
">Sed artificem
<
expan
abbr
="
experiẽdæ
">experiendæ</
expan
>
uenæ uel metalli neceſſe eſt paratum, & in
<
lb
/>
ſtructum rebus neceſſarijs ad experimentum uenire: atque fores conclauis, in
<
lb
/>
quo ſtatuta eſt fornacula, claudere, ne quis intempeſtiuè accedens mentem
<
lb
/>
eius, in operas intentam, perturbet: libram præterea in ſuo loculamento col
<
lb
/>
locare, ut ea, cùm ipſe maſſulas metallorum ponderat, flatu uentorum huc
<
lb
/>
& illuc agitari
<
expan
abbr
="
nõ
">non</
expan
>
poſſit: is enim arti eſt impedimento. </
s
>
<
s
id
="
N145A0
">Verùm res ſingulas,
<
lb
/>
ad experimentum neceſſarias, deſcribam exorſus à fornaculis: quarum alia
<
lb
/>
ab alia differt figura, materia, loco in quo collocatur: figura quidem quòd
<
lb
/>
ſit teres uel quadrangula. </
s
>
<
s
id
="
N145A9
">Atque hæc magis eſt ad uenas experiendas accom
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modata.</
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>
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type
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<
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emph
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ornacula teres.
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type
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