Agricola, Georg
,
De re metallica Libri XII, Quibus Officia, Instrumenta, Machinae, ac omnia ...
,
1556
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N18971
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<
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275
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xlink:href
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001/01/285.jpg
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poſteriore intus ad altitudinem pedis unius & ſemiſſis infigitur lamina fer
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lb
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rea longa & lata pedes tres, ac foraminum, per quæ lapilli, maiores
<
expan
abbr
="
quã
">quam</
expan
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erui
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lb
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ſemina, penetrare & decidere poſſint, pleniſſima. </
s
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<
s
id
="
N18991
">Capſæ autem ſubijcitur ca
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lb
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nalis, ex una arbore cauatus, longus circiter pedes quatuor & uiginti, altus
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lb
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& latus dodrantem: quem plerunque tres tabellæ, in eum impoſitæ, interual
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lb
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lis
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expan
abbr
="
diſtinguũt
">diſtinguunt</
expan
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: quarum alia altior eſt: ſed turbidas ex ipſo defluentes, rurſus
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lb
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excipit lacus. </
s
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<
s
id
="
N189A0
">At materia metallica
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expan
abbr
="
interdũ
">interdum</
expan
>
ſub terræ cute altius reperiri non
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lb
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ſolet, interdum uerò tam alte, ut & cuniculos agere & puteos fodere neceſſe
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lb
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ſit: ea ciſijs ad capſam aduehitur: cùm iam lauaturi ſunt, canaliculum collo
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lb
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cant: per quem tantum aquæ, quantum ad loturam ſatis eſt, in laminam fer
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lb
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ream influit: in quam mox adoleſcens materiam metallicam batillo ferreo
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lb
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conijcit: ac maſſulas eodem huc & illuc agitans diſſipat: tum aqua & arena
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lb
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per laminæ foramina penetrantes decidunt in capſam. </
s
>
<
s
id
="
N189B3
">Quod uerò craſſum
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lb
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eſt, in lamina reſtat: id eodem batillo in ciſium inijcit. </
s
>
<
s
id
="
N189B8
">Interea alter
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expan
abbr
="
adoleſcẽs
">adoleſcens</
expan
>
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lb
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minor natu
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expan
abbr
="
arenã
">arenam</
expan
>
ſub lamina rutro ligneo, ferè tam lato quàm capſa eſt, cre
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lb
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bro trudit, & in ſupremam capſam pellit: quod leue eſt aqua defert in ſubie
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lb
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ctum canalem: quanquam paucos etiam lapillos nigros:
<
expan
abbr
="
hũc
">hunc</
expan
>
laborem ado
<
lb
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leſcentes continenter ſuſtinent, quoad quatuor ciſia, uel, ſi materia diues la
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lb
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pillorum
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expan
abbr
="
nigrorũ
">nigrorum</
expan
>
fuerit, tria rebus craſſis & inanibus repleuerint: quæ de
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lb
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uehunt & proijciunt: tum præſes laboris aſſere, in quo ante laminam ſito a
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doleſcens ſtabat, ſublato arenam cum lapillis permiſtam crebro ſurſum &
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deorſum rutro trudit, & eodem arenam, quæ, quod leuior ſit quàm lapilli,
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lb
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ſuperiorem locum tenet, de eis detrahit ut
<
expan
abbr
="
appareãt
">appareant</
expan
>
: quos rutro in priorem
<
lb
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capſæ partem tractos batillo euertit, ut etiam tunc, quod leue eſt, defluere
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lb
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poſſit. </
s
>
<
s
id
="
N189E5
">Mox omnes coaceruatos ex capſa eijcit & aufert. </
s
>
<
s
id
="
N189E8
">Hæc dum præſes
<
lb
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agit, alter
<
expan
abbr
="
adoleſcẽs
">adoleſcens</
expan
>
interea arenam cum lapillis nigris miſtam, quæ ex capſa
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lb
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defluens in canali reſedit, rutro ferreo agitat, & retro ad ſupremam canalis
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lb
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partem trudit: quæ, quod plurimos lapillos nigros in ſe contineat, rurſus
<
lb
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in laminam coniecta lauatur: at ea quæ in infima canalis parte reſedit, ſepara
<
lb
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tim eiecta cumulatur, & in canali deuexo lauatur: quæ uerò in lacu, in area
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lb
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linteis extenſis
<
expan
abbr
="
cõtecta
">contecta</
expan
>
. </
s
>
<
s
id
="
N189FF
">Omnis hic labor fructuoſus æſtiuis diebus ſæpius,
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lb
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nempe decies aut undecies iteratur. </
s
>
<
s
id
="
N18A04
">Sed lapilli nigri, quos præſes ex capſa
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lb
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eijcit, deinde in cribro anguſto
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gap
/>
<
expan
abbr
="
auãtur
">auantur</
expan
>
, poſtremò in lacuſculo, ubi tandem
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lb
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omnis arena ab eis ſeparatur. </
s
>
<
s
id
="
N18A10
">Quinetiam omnibus his rationibus materiæ
<
lb
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miſtæ cum ramentis aliorum metallorum, ſiue ea fuerint à uenis & fibris ab
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lb
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repta, ſiue in uenis dilatatis ad riuos & fluuios orta, lauari poſſunt.</
s
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<
s
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">C
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apſa
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A. L
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emph
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amina
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type
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B. C
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analis
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type
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C. T
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abellæ
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type
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D.
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L
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acus
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type
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E. C
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emph
type
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analiculus
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emph.end
type
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italics
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F. B
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emph
type
="
italics
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atillum
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emph.end
type
="
italics
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G. R
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emph
type
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italics
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aſtrum
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emph.end
type
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italics
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H.</
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