Agricola, Georg
,
De re metallica Libri XII, Quibus Officia, Instrumenta, Machinae, ac omnia ...
,
1556
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<
chap
id
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N10018
">
<
pb
pagenum
="
98
"
xlink:href
="
001/01/108.jpg
"/>
<
p
id
="
N11C6A
"
type
="
main
">
<
s
id
="
N11C6C
">Quidam uerò menſores, ut ratio altitudinis putei dimetiendæ certior ſit
<
lb
/>
quinque funiculis extentis utuntur: primo obliquè deſcendente, duobus, ſe
<
lb
/>
cundo ſcilicet & tertio, quibus eſt cuniculi longitudo, duobus, quibus pu
<
lb
/>
tei altitudo: quo ſanè modo conſtituunt quadrangulum, in duos triangu
<
lb
/>
los æquales diuiſum: qui magis ad ueritatem dirigit.</
s
>
</
p
>
<
p
id
="
N11C77
"
type
="
caption
">
<
s
id
="
N11C79
">F
<
emph
type
="
italics
"/>
uniculi extenti
<
emph.end
type
="
italics
"/>
P
<
emph
type
="
italics
"/>
rimus
<
emph.end
type
="
italics
"/>
A. S
<
emph
type
="
italics
"/>
ecundus
<
emph.end
type
="
italics
"/>
B. T
<
emph
type
="
italics
"/>
ertius
<
emph.end
type
="
italics
"/>
B.
<
lb
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Q
<
emph
type
="
italics
"/>
uartus
<
emph.end
type
="
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C. Q
<
emph
type
="
italics
"/>
uintus
<
emph.end
type
="
italics
"/>
C. Q
<
emph
type
="
italics
"/>
uadrangulus
<
emph.end
type
="
italics
"/>
D.</
s
>
</
p
>
<
figure
id
="
id.001.01.108.1.jpg
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xlink:href
="
001/01/108/1.jpg
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number
="
3
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<
p
id
="
N11CAD
"
type
="
main
">
<
s
id
="
N11CAF
">Atque hæ rationes altitudinis putei & longitudinis cuniculi dimetiendæ
<
lb
/>
tunc ueræ ſunt, cum uena atque ſic etiam puteus uel putei uno eodemque teno
<
lb
/>
re rectà uel obliquè uſque ad
<
expan
abbr
="
cuniculũ
">cuniculum</
expan
>
deſcendit: ſimiliter cùm cuniculus re
<
lb
/>
ctà ad puteum pertingit: at cùm uterque modo in hanc, modo in illam
<
expan
abbr
="
partẽ
">partem</
expan
>
<
lb
/>
ſe flectit, ſi neutrius ſpacium fuerit perfoſſum, nemo omnium
<
expan
abbr
="
mortaliũ
">mortalium</
expan
>
tam
<
lb
/>
acri eſt ingenio, ut quantum de recto curriculo deflectant animo poſsit cer
<
lb
/>
nere: ſin totum alterutrius, de alterius quidem longitudine, de alterius uerò
<
lb
/>
altitudine facilius poſſumus exiſtimare: itaque locus cuniculi, qui eſt ſub pu
<
lb
/>
teo iam primum fodi cœpto, ex dimetiendo ſic diſcitur. </
s
>
<
s
id
="
N11CCE
">Ad os cuniculi pri
<
lb
/>
mò figitur tripus, itemque ad puteum, qui fodi cœpit, aut ad locum in quo fo
<
lb
/>
dietur puteus. </
s
>
<
s
id
="
N11CD5
">Tripus autem fit ex tribus palis in terram infixis, & aſſerculo
<
lb
/>
quadrangulo, ſuper quem inſtrumentum, partes mundi indicans, ſtatuitur,
<
lb
/>
in palos impoſito & ad ipſos affixo. </
s
>
<
s
id
="
N11CDC
">Deinde ab inferiori tripode rectà in ter
<
lb
/>
ram demittitur funiculus pondere grauatus: iuxta quem
<
expan
abbr
="
funiculũ
">funiculum</
expan
>
<
expan
abbr
="
iterũ
">iterum</
expan
>
pa</
s
>
</
p
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</
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</
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