Agricola, Georg
,
De re metallica Libri XII, Quibus Officia, Instrumenta, Machinae, ac omnia ...
,
1556
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<
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355
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001/01/365.jpg
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uerò halinitri libras tres, lapidis, qui in fornaces ardentes coniectus facile i
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lb
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gni liqueſcit tertij generis duas, æruginis, ſtibij, ſcobis ferri elimatæ, amian
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lb
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ti ſingulorum ſelibram, aquæ fontanæ libram & ſextantem. </
s
>
<
s
id
="
N1B477
">Atramentum
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lb
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autem
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expan
abbr
="
ſutoriũ
">ſutorium</
expan
>
, ex quo hæ aquæ confici ſolent, omne prius reſoluatur in pul
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lb
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uerem hoc modo. </
s
>
<
s
id
="
N1B482
">Ipſum inijciatur in
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expan
abbr
="
catinũ
">catinum</
expan
>
fictilem interius ſpuma argenti
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lb
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obductum, & coquatur donec liqueſcat: tum filo æreo agitetur: poſtea refri
<
lb
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geratum teratur in puluerem: eodem modo halinitrum ui ignis liquatum et
<
lb
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refrigeratum conteratur in puluerem: quin alumen: quod tamen
<
expan
abbr
="
quidã
">quidam</
expan
>
bræ
<
lb
/>
cteæ ferreæ impoſitum urunt, ac in puluerem reſoluunt. </
s
>
<
s
id
="
N1B495
">Quan quam autem
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lb
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omnes illæ aquæ auri etiam ramentum uel puluerem ſeparant à ſpurcicía, ta
<
lb
/>
men ſunt quædam
<
expan
abbr
="
cõpoſitiones
">compoſitiones</
expan
>
, quæ ſingularem uim
<
expan
abbr
="
habẽt
">habent</
expan
>
: earum prima
<
lb
/>
conſtat ex æruginis libra,
<
expan
abbr
="
atramẽti
">atramenti</
expan
>
ſutorij
<
expan
abbr
="
dodrãte
">dodrante</
expan
>
. </
s
>
<
s
id
="
N1B4AE
">Ad ſingulas uerò libras
<
lb
/>
affunditur aquæ fontanæ uel fluuialis ſextans: de qua re, ad
<
expan
abbr
="
oẽs
">omnes</
expan
>
<
expan
abbr
="
cõpoſitiones
">compoſitio
<
lb
/>
nes</
expan
>
pertinente, ſemel dixiſſe ſatis eſt. </
s
>
<
s
id
="
N1B4BD
">Altera
<
expan
abbr
="
cõpoſitio
">compoſitio</
expan
>
conficitur ex auripig
<
lb
/>
menti facticij, atramenti ſutorij, calcis, aluminis, cineris qua lanarum infecto
<
lb
/>
res utuntur ſingulorum libra, æruginis quadrante, ſtibij ſeſcuntia. </
s
>
<
s
id
="
N1B4C8
">Tertia ex
<
lb
/>
<
expan
abbr
="
atramẽti
">atramenti</
expan
>
ſutorij libris tribus, halinitri una, amianti ſelibra, lateris cocti item
<
lb
/>
ſelibra. </
s
>
<
s
id
="
N1B4D2
">Quarta ex halinitri libra, aluminis
<
expan
abbr
="
itẽ
">item</
expan
>
libra, ſalis ammoniaci ſelibra. </
s
>
<
s
id
="
N1B4D9
">
<
lb
/>
Fornax autem, in qua ualens aqua conficitur, latericia ſit & quadrangula,
<
lb
/>
longa quidem & lata pedes duos, alta totidem pedes & ſemiſſem præterea. </
s
>
<
s
id
="
N1B4DF
">
<
lb
/>
Laminis uerò ferreis, quas ſuſtineant bacilla ferrea, tegatur. </
s
>
<
s
id
="
N1B4E3
">Hæ laminæ ſu
<
lb
/>
perius luto obductæ in medio eorum loco habeant tantum foramen rotun
<
lb
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dum, quantum capere poſſit catinum fictilem, in quo ampulla uitrea collo
<
lb
/>
catur: & ab utroque eius foraminis latere bina foramina ſpiritalia, quæ par
<
lb
/>
ua ſint & ſimiliter rotunda: infima fornacis pars, ubi ad altitudinem palmi
<
lb
/>
aſſurrexit, rurſus laminas habeat ferreas, quas item bacilla ferrea ſuſtineant,
<
lb
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ut ipſæ laminæ carbones
<
expan
abbr
="
ardẽtes
">ardentes</
expan
>
: poſt à fronte media habeat os, ignis in for
<
lb
/>
nacem inijciendi cauſa factum,
<
expan
abbr
="
altũ
">altum</
expan
>
atque latum ſemipedem, atque ſuperius ro
<
lb
/>
tundum: ſub quo ſit os ſpiritale. </
s
>
<
s
id
="
N1B4FE
">In catinum autem fictilem, in
<
expan
abbr
="
foramẽ
">foramen</
expan
>
collo
<
lb
/>
catum, inijciatur arena pura: cuius altitudo ſit ad
<
expan
abbr
="
digitũ
">digitum</
expan
>
tranſuerſum: in
<
expan
abbr
="
quã
">quam</
expan
>
<
lb
/>
ampulla uitrea imponatur tam altè quàm eſt obducta luto. </
s
>
<
s
id
="
N1B511
">Etenim eius par
<
lb
/>
ti paulo plus quàm quartæ, & quidem infimæ lutum ferè liquidum octies
<
lb
/>
aut decies uix cultelli craſſitudine illinitur, & toties rurſus exiccatur, ut eius
<
lb
/>
luti craſſitudo ſit ad pollicem
<
expan
abbr
="
trãſuerſum
">tranſuerſum</
expan
>
: eiuſmodi lutum cum pilis & lino
<
lb
/>
xylino, uel floccis à panno abraſis, & ſale, ne rimis fatiſcat, permiſtum ſit, &
<
lb
/>
bacillo ferreo ſæpius uerberatum. </
s
>
<
s
id
="
N1B522
">Tam autem multæ res, ex quibus
<
expan
abbr
="
cõpoſitio
">compoſi
<
lb
/>
tio</
expan
>
conſtat, in ampullam non concludantur ut prorſus plena fiat, ne
<
expan
abbr
="
nõ
">non</
expan
>
ex
<
lb
/>
coctæ ferantur ad operculum: id item uitreum cum ampulla linteolis, farina
<
lb
/>
triticea, oui albumine & aqua madefacta, illitis arctiſſime coniungatur: & ea
<
lb
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parte eis lutum, quod careat ſale, illinatur. </
s
>
<
s
id
="
N1B535
">Simili modo naris operculi
<
expan
abbr
="
cũ
">cum</
expan
>
al
<
lb
/>
tera ampulla uitrea, quæ aquam, qua ipſa ſtillat, recipit, linteolis coniunga
<
lb
/>
tur, & ea parte luto obducatur. </
s
>
<
s
id
="
N1B540
">Attamen
<
expan
abbr
="
admodũ
">admodum</
expan
>
tenuis clauus ferreus, uel
<
lb
/>
cuneolus ligneus, paulo craſſior acu, inter
<
expan
abbr
="
utrãque
">utranque</
expan
>
figatur, ut quoties ad hanc
<
lb
/>
<
expan
abbr
="
deſtillãdi
">deſtillandi</
expan
>
rationem artifici opus fuerit aura, extrahi poſſit. </
s
>
<
s
id
="
N1B552
">Ea uerò opus eſt
<
lb
/>
cùm halitus ualentiſſimi nimis feruntur ad ſuperiora. </
s
>
<
s
id
="
N1B557
">Quatuor etiam fora</
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>
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