Agricola, Georg
,
De re metallica Libri XII, Quibus Officia, Instrumenta, Machinae, ac omnia ...
,
1556
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1 - 30
31 - 60
61 - 90
91 - 120
121 - 150
151 - 180
181 - 210
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241 - 270
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361 - 390
391 - 420
421 - 450
451 - 480
481 - 510
511 - 540
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archimedes
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<
chap
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N10018
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s
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329
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001/01/339.jpg
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minus in ſuperiore remaneat, quam
<
expan
abbr
="
rationẽ
">rationem</
expan
>
liber undecimus explicabit. </
s
>
<
s
id
="
N1A853
">Py
<
lb
/>
rytes autem, quia plerunque non modo æs, ſed etiam argentum in ſe
<
expan
abbr
="
cõtinet
">continet</
expan
>
,
<
lb
/>
quomodo excoquendus ſit cùm de argenti uenis ſcriberem, expoſui. </
s
>
<
s
id
="
N1A85E
">Sed ſi
<
lb
/>
in eo argenti minimum fuerit, & æs, quod ex eo conflatur, non facile tracta
<
lb
/>
ri poterit, ratione,
<
expan
abbr
="
quã
">quam</
expan
>
proxime explicaui, excoquatur. </
s
>
<
s
id
="
N1A869
">Poſtremò lapis fiſſi
<
lb
/>
lis æroſus, ſiue bitumen, ſiue ſulfur in ſe contineat, uſtus excoquatur cum la
<
lb
/>
pidibus, qui facile igni
<
expan
abbr
="
liqueſcũt
">liqueſcunt</
expan
>
, ſecundi generis,
<
expan
abbr
="
cõficianturque
">conficianturque</
expan
>
panes, qui
<
lb
/>
bus recrementa ſupernatant. </
s
>
<
s
id
="
N1A87A
">Ex panibus ſepties plerunque crematis & reco
<
lb
/>
ctis
<
expan
abbr
="
cõflentur
">conflentur</
expan
>
recrementa & duplices panes: quorum alteri ærei ſunt, & in
<
lb
/>
fimum in catino locum occupant: atque hi uenduntur dominis officinarum,
<
lb
/>
in quibus
<
expan
abbr
="
argẽtum
">argentum</
expan
>
ab ære ſecernitur: alteri cum primarijs panibus recoqui
<
lb
/>
ſolent. </
s
>
<
s
id
="
N1A88D
">Si uerò lapis fiſſilis paruam æris portionem in ſe
<
expan
abbr
="
cõtineat
">contineat</
expan
>
, uratur, ſub
<
lb
/>
pila ſubiectus
<
expan
abbr
="
cõminuatur
">comminuatur</
expan
>
, lauetur, cribretur:
<
expan
abbr
="
ramẽtum
">ramentum</
expan
>
inde confectum ex
<
lb
/>
coquatur: & ex eo fiant panes: ex quibus crematis æs
<
expan
abbr
="
cõficiatur
">conficiatur</
expan
>
: uerùm ſi ad
<
lb
/>
lapidem fiſſilem chryſocolla, uel cæruleum, uel terra lutea aut nigra adhæ
<
lb
/>
ſerit, in quibus æs & argentum inſunt, non lauetur, ſed
<
expan
abbr
="
cõminutus
">comminutus</
expan
>
cum lapi
<
lb
/>
dibus, qui facile igni liqueſcunt, ſecundi generis eodem modo excoquatur. </
s
>
<
s
id
="
N1A8AE
">
<
lb
/>
At plumbi nigri uena ſiue molybdæna fuerit, ſiue pyrites, ſiue lapis, ex quo
<
lb
/>
id conflatur,
<
expan
abbr
="
plerũque
">plerunque</
expan
>
excoquitur in proprijs fornacibus, de quibus ſupra di
<
lb
/>
xi, ſed non minus ſæpe in tertia, cuius os ſemper patet. </
s
>
<
s
id
="
N1A8BA
">Focus & catinus con
<
lb
/>
ficiuntur ex puluere, in quo parua quædam ſquamæ ferri portio ineſt: recre
<
lb
/>
menta ferri potiſſimum talis uenæ additamentum ſunt: quorum utrunque ſo
<
lb
/>
lertes excoctores utile arbitrantur, & ère
<
expan
abbr
="
dominorũ
">dominorum</
expan
>
eſſe: quòd ea ferro na
<
lb
/>
tura ſit, ut nigrum plumbum in
<
expan
abbr
="
unũ
">unum</
expan
>
cogat. </
s
>
<
s
id
="
N1A8CD
">Si molybdæna uel lapis, ex quo
<
lb
/>
id conflatur, excoquitur, mox è fornace in catinum effluit plumbum: quod
<
lb
/>
recrementis detractis cochleari hauſtum effunditur: ſi uerò pyrites, primò è
<
lb
/>
fornace, ut Goſelariæ uidere licet, in catinum defluit liquor quidam candi
<
lb
/>
dus, argento inimicus & nociuus: id enim comburit: quocirca recrementis,
<
lb
/>
quæ ſupernatant, detractis effunditur: uel induratus conto uncinato extra
<
lb
/>
hitur: eundem liquorem parietes fornacis exudant: deinde ex fornace in ca
<
lb
/>
tinum defluit ſtannum, hoc eſt miſtura plumbi nigri cum argento: de quo
<
lb
/>
ſtanno prius
<
expan
abbr
="
detrahũtur
">detrahuntur</
expan
>
recrementa, non raro, ut nonnulli pyritæ ſunt, can
<
lb
/>
dida, poſterius pyritæ panes, ſi quos habet: in his aliqua æris portio ſolet in
<
lb
/>
eſſe: ſed quia perexigua & ſyluæ carbonum copiam non ſuppeditant, æs ex
<
lb
/>
ipſis non conflatur. </
s
>
<
s
id
="
N1A8EA
">Ex ſtanno
<
expan
abbr
="
aũt
">aut</
expan
>
in catillos ferreos infuſo, item
<
expan
abbr
="
fiũt
">fiunt</
expan
>
panes:
<
lb
/>
qui, cùm in ſecunda fornace coquuntur, argentum ſeparatur à plumbo:
<
expan
abbr
="
q̊d
">quod</
expan
>
<
lb
/>
partim in
<
expan
abbr
="
ſpumã
">ſpumam</
expan
>
argenti, partim in molybdænam mutatur: ex quibus in pri
<
lb
/>
ma fornace recoctis conficitur plumbum depauperatum: nam eius centum
<
lb
/>
pondium unam tantummodo argenti drachmam in ſe continet: cùm antea
<
lb
/>
quam
<
expan
abbr
="
argentũ
">argentum</
expan
>
ab eo ſepararetur in eius centumpondio argenti plus minus
<
lb
/>
unciæ tres inerant. </
s
>
<
s
id
="
N1A90D
">Sed lapilli nigri & cæteri, ex quibus conficitur
<
expan
abbr
="
plumbũ
">plumbum</
expan
>
<
lb
/>
candidum, excoquantur in ſui generis fornacibus: quæ anguſtiores
<
expan
abbr
="
quã
">quam</
expan
>
re
<
lb
/>
liquæ fornaces eſſe
<
expan
abbr
="
debẽt
">debent</
expan
>
, ut ignis paruus, quem poſtulat uena, paretur: ſed
<
lb
/>
altiores, ut anguſtiam ſua altitudine
<
expan
abbr
="
cõpenſent
">compenſent</
expan
>
: & ferè
<
expan
abbr
="
eadẽ
">eadem</
expan
>
capacitas, quæ
<
lb
/>
aliarum eſt
<
expan
abbr
="
fornacũ
">fornacum</
expan
>
, fiat: ſuperius à fronte clauſæ ſint, ab altero latere
<
expan
abbr
="
pateãt
">pateant</
expan
>
, </
s
>
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