Agricola, Georg
,
De re metallica Libri XII, Quibus Officia, Instrumenta, Machinae, ac omnia ...
,
1556
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[Figure 231]
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[Figure 232]
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[Figure 233]
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chap
id
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N10018
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id
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N190FC
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type
="
main
">
<
s
id
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N19208
">
<
pb
pagenum
="
294
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xlink:href
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001/01/304.jpg
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cto duabus cochleis ferreis, quaſi clauis quibuſdam, id ipſum ad tabulam
<
lb
/>
affigunt. </
s
>
<
s
id
="
N1921F
">At arcus uterque inter duo tabulata collocatur, & æquè longus eſt
<
lb
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ac ſuperius
<
expan
abbr
="
tabulatũ
">tabulatum</
expan
>
: uterque conficitur è quatuor tabellis tiliaceis, craſſis di
<
lb
/>
gitos tres: quarum duæ longæ poſteriore parte latæ ſunt digitos
<
expan
abbr
="
ſeptẽ
">ſeptem</
expan
>
, pri
<
lb
/>
ore duos &
<
expan
abbr
="
dimidiũ
">dimidium</
expan
>
: tertia, quæ poſterior, eſt lata palmos duos: eius
<
expan
abbr
="
utrũquecaput
">utrunque
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lb
/>
caput</
expan
>
, paulo craſſius digito, in formis tabellarum
<
expan
abbr
="
lõgarum
">longarum</
expan
>
includitur, ibique
<
lb
/>
pariter perforatum, ligneisque clauis glutino oblitis & in foramina infixis,
<
expan
abbr
="
cũ
">cum</
expan
>
<
lb
/>
ipſis tabellis longis coniungitur & conglutinatur: quinetiam utrunque eius
<
lb
/>
caput unà cum tabellæ longæ capite arcuatur: atque ex eo nomen inuenit. </
s
>
<
s
id
="
N19248
">
<
lb
/>
Quarta autem tabella, quæ ab eſt ad cubitum à capite follis, diſtendit duas
<
lb
/>
longas tabellas: cuius capitula, in formis tabellarum longarum incluſa, cum
<
lb
/>
eis coniunguntur & conglutinantur: longa uerò eſt, exceptis capitulis, pe
<
lb
/>
dem, lata palmum & digitos duos. </
s
>
<
s
id
="
N19252
">Sunt præterea aliæ duæ paruulæ tabel
<
lb
/>
læ cum capite follis & inferiore tabulato conglutinatæ, & ad eadem clauis
<
lb
/>
ligneis, glutino etiam oblitis, affixæ, quæ longæ ſunt palmos tres et digitos
<
lb
/>
duos, altæ palmum, craſſæ digitum: earum dimidia pars paululum reſecta
<
lb
/>
eſt. </
s
>
<
s
id
="
N1925D
">Hæ tabellæ capita longarum tabellarum
<
expan
abbr
="
arcẽt
">arcent</
expan
>
à foramine capitis follis,
<
lb
/>
quæ ni eſſent, eadem capita tanto & tam crebro motu intro compulſa fran
<
lb
/>
gerentur. </
s
>
<
s
id
="
N19268
">Corium
<
expan
abbr
="
aũt
">aut</
expan
>
eſt bubulum uel equinum: ſed bubulum longe mul
<
lb
/>
tumque præſtat equino: utrunque uerò, duo enim ſunt, poſteriore follis parte,
<
lb
/>
qua coniunguntur, latum eſt pedes tres & dimidium: ſed ad utrunque tabula
<
lb
/>
tum, & ad utrunque arcum longo loro ſingulis ſubiecto
<
expan
abbr
="
affigũtur
">affiguntur</
expan
>
ferreis cla
<
lb
/>
uis cornutis, qui longi ſunt digitos quinque:
<
expan
abbr
="
eorũ
">eorum</
expan
>
autem cornu utrunque lon
<
lb
/>
gum eſt digitos duos & dimidium, latum ſemidigitum. </
s
>
<
s
id
="
N19281
">Verùm ad tabulata
<
lb
/>
tam crebris clauis affiguntur coria, ut unius claui cornu alterius cornu ferè
<
lb
/>
attingat: ſed ad arcus diſſimiliter. </
s
>
<
s
id
="
N19288
">Nam ad poſteriorem arcus tabellam tan
<
lb
/>
tummodo duobus clauis affiguntur: ad longam utranque quatuor: quo ſane
<
lb
/>
modo fit, ut ad unum arcum decem clauis
<
expan
abbr
="
affigãtur
">affigantur</
expan
>
: atque totidem ad
<
expan
abbr
="
alterũ
">alterum</
expan
>
:
<
lb
/>
quinetiam interdum, cùm excoctor metum habet ne uehemens motus fol
<
lb
/>
lis ab arcubus
<
expan
abbr
="
coriũ
">corium</
expan
>
diuellat ac diſtrahat, extra id ad longas
<
expan
abbr
="
eorũ
">eorum</
expan
>
tabellas al
<
lb
/>
terius generis clauis affigit tabellas abiegnas: quales ad poſteriores
<
expan
abbr
="
arcuũ
">arcuum</
expan
>
<
lb
/>
tabellas affigere
<
expan
abbr
="
nõ
">non</
expan
>
poteſt, quod
<
expan
abbr
="
paululũ
">paululum</
expan
>
ſint arcuatæ. </
s
>
<
s
id
="
N192B3
">Quidam corium ad
<
lb
/>
tabulata & arcus clauis ferreis non affigunt, ſed cochleis ferreis, in tabellas
<
lb
/>
corio ſuperpoſitas ſimul adactis. </
s
>
<
s
id
="
N192BA
">Etſi uerò hæc corij affigendi ratio minus
<
lb
/>
quàm altera eſt uſitata, tamen dubium non eſt, quin ei
<
expan
abbr
="
cõmoditate
">commoditate</
expan
>
antecel
<
lb
/>
lat. </
s
>
<
s
id
="
N192C5
">Poſtremò follis caput, æquè ac reliquum eius corpus,
<
expan
abbr
="
cõſtat
">conſtat</
expan
>
ex duobus
<
lb
/>
tabulatis, & præterea ex nare. </
s
>
<
s
id
="
N192CE
">Superius tabulatum longum eſt
<
expan
abbr
="
cubitũ
">cubitum</
expan
>
, craſ
<
lb
/>
ſum ſeſquipalmum: at inferius pars eſt inferioris totius corporis tabulati: ſi
<
lb
/>
militer uerò atque ſuperius longum, ſed craſſum palmum & digitum: ex qui
<
lb
/>
bus duobus
<
expan
abbr
="
cõglutinatis
">conglutinatis</
expan
>
efficitur caput, in quo perforato naris includitur:
<
lb
/>
ſed caput poſteriore parte, ex qua reliquum corpus attingit, latum eſt cubi
<
lb
/>
tum. </
s
>
<
s
id
="
N192E3
">Cùm uerò proceſſerit ad tres palmos, anguſtius factum eſt digitis duo
<
lb
/>
bus: poſtea tantum reſecatur, ut priore parte fiat teres & craſſum palmos du
<
lb
/>
os ac
<
expan
abbr
="
totidẽ
">totidem</
expan
>
digitos: ubi circulo ferreo, tres digitos lato, cingitur. </
s
>
<
s
id
="
N192EE
">Naris
<
expan
abbr
="
autẽ
">autem</
expan
>
<
lb
/>
eſt fiſtula ex bractea ferrea facta: cuius prior pars caua, digitos tres lata eſt: </
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>
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