Agricola, Georg
,
De re metallica Libri XII, Quibus Officia, Instrumenta, Machinae, ac omnia ...
,
1556
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210
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001/01/220.jpg
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001/01/220/1.jpg
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number
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74
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<
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id
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N16525
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type
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main
">
<
s
id
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N16527
">Etſi uerò foſſores in puteis aut cuniculis res foſſiles diſcreuerunt, tamen
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lb
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uenæ metallicæ ex ipſis extractæ aut euectæ malleis in partes frangen
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dæ ſunt, uel minutim contundendæ, comminuendæque, ut iſto etiam modo
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præſtantiores & meliores partes à uilioribus & deterioribus diſcerni poſ
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ſint: quod in uenis excoquendis plurimum ualet: etenim ſi diſcrimine remo
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to uenæ excoquantur, precioſa non raro magnum
<
expan
abbr
="
detrimẽtum
">detrimentum</
expan
>
accipit, pri
<
lb
/>
uſquam uilis igni liqueſcat: aut una alteram conſumit: quod ne fiat partim
<
lb
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hac diligentia, partim additamentis poſſumus cauere: ſed ſi uena metalli ali
<
lb
/>
cuius uilis fuerit, eius extractæ uel euectæ, meliorem partem conijcere opor
<
lb
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tet in unum aliquem locum: deteriorem uerò itemque ſaxa abijcere. </
s
>
<
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id
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N16540
">Diſcre
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lb
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tores autem cuique abaco durum & latum lapidem
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abbr
="
imponũt
">imponunt</
expan
>
. </
s
>
<
s
id
="
N16549
">Abaci
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expan
abbr
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plerũquelongi
">plerunque
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longi</
expan
>
& lati quatuor pedes conſtant ex aſſeribus inter ſe coagmentatis: ad
<
lb
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quorum latera & tergum aſſeres, ex eis circiter pedem
<
expan
abbr
="
eminẽtes
">eminentes</
expan
>
, affixi ſunt:
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lb
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frons, cui ſecretor aſſidet, patet. </
s
>
<
s
id
="
N1655A
">Eorum uerò alij uenæ auri uel argenti, diui
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lb
/>
tis maſſam lapidi ſuperimpoſitam & malleo lato, ſed non craſſo, percuſſam
<
lb
/>
modò in partes frangunt, & in unum uas conijciunt: modò
<
expan
abbr
="
frangũt
">frangunt</
expan
>
& præ
<
lb
/>
ſtantes à uilioribus diſcernentes, unde nomen inuenerunt, eas ſeparatim in
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lb
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diuerſa uaſa inijciunt & colligunt. </
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>
<
s
id
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N16569
">Alij uerò uenæ minus auri uel argenti di
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lb
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uitis maſſam item lapidi ſuperimpoſitam, malleoque lato & craſſo percuſſam
<
lb
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minutim contundunt: ac, cùm multa fuerit comminuta, collectam in unum </
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