Agricola, Georg
,
De re metallica Libri XII, Quibus Officia, Instrumenta, Machinae, ac omnia ...
,
1556
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N10018
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pagenum
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301
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001/01/311.jpg
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id
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N197EB
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type
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main
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<
s
id
="
N197ED
">Reſtat de uſu, in quo eſt hoc organum. </
s
>
<
s
id
="
N197F0
">
<
expan
abbr
="
Tigillũ
">Tigillum</
expan
>
ab axis dentibus depreſ
<
lb
/>
ſum comprimit follem: is compreſſus flatum per narem emittit: rurſus uerò
<
lb
/>
ipſius capſæ pondere leuatus concipit flatum, qui per foramen ſpiritale in i
<
lb
/>
pſum penetrat. </
s
>
<
s
id
="
N197FC
">Sed machina, cuius dentes tigilla deprimunt, ita ſe habet. </
s
>
<
s
id
="
N197FF
">
<
lb
/>
Primo fit axis, ad cuius alterum caput extra domicilium eſt rota, ad alterum
<
lb
/>
intra
<
expan
abbr
="
domiciliũ
">domicilium</
expan
>
tympanum è fuſis conſtans: quod conficitur ex duobus or
<
lb
/>
bibus duplicatis inter ſe diſtantibus pede, craſſis digitos quinque, altis
<
expan
abbr
="
circũcirca
">circum
<
lb
/>
circa</
expan
>
pedem & digitos duos. </
s
>
<
s
id
="
N19811
">Duplicia autem ſunt: nam uterque ex binis orbi
<
lb
/>
bus æquè craſſis compoſitus eſt: atque clauis ligneis conglutinatus: quineti
<
lb
/>
am interdum uterque ſuperius circumcirca laminis ferreis obductus eſt: fuſi
<
lb
/>
uerò ſunt numero triginta, longi pedem & palmos duos ac
<
expan
abbr
="
totidẽ
">totidem</
expan
>
digitos:
<
lb
/>
utrinque in orbe includuntur: teretes ſunt & lati digitos tres. </
s
>
<
s
id
="
N19820
">Diſtant
<
expan
abbr
="
ctiã
">etiam</
expan
>
in
<
lb
/>
ter ſe totidem digitis. </
s
>
<
s
id
="
N19829
">Atque hoc ſane modo ſe habet tympanum quod ex fu
<
lb
/>
ſis conſtat. </
s
>
<
s
id
="
N1982E
">Alterum uerò
<
expan
abbr
="
dentatũ
">dentatum</
expan
>
eſt ad alterius axis caput: cuius orbis du
<
lb
/>
plicatus craſſus eſt palmos duos & digitum: eius orbis interior, qui compo
<
lb
/>
ſitus eſt ex quatuor curuaturis, craſſus eſt palmum: ubique latus palmos du
<
lb
/>
os & digitum. </
s
>
<
s
id
="
N1983B
">Exterior uerò, qui eodem modo, quo interior, factus eſt ex
<
lb
/>
quatuor curuaturis, craſſus eſt palmum & digitum: non æqualiter latus, ſed
<
lb
/>
ubi in eum includitur caput radij, latus eſt pedem & palmum, & digitum, </
s
>
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